diff --git a/src/main/java/dev/braintrust/api/BraintrustApiClient.java b/src/main/java/dev/braintrust/api/BraintrustApiClient.java
index 59d17ca7..bd5929ec 100644
--- a/src/main/java/dev/braintrust/api/BraintrustApiClient.java
+++ b/src/main/java/dev/braintrust/api/BraintrustApiClient.java
@@ -572,7 +572,9 @@ public Experiment getOrCreateExperiment(CreateExperimentRequest request) {
                             request.tags().orElse(List.of()),
                             request.metadata().orElse(Map.of()),
                             "notused",
-                            "notused");
+                            "notused",
+                            request.datasetId(),
+                            request.datasetVersion());
             experiments.add(newExperiment);
             return newExperiment;
         }
@@ -734,7 +736,9 @@ record CreateExperimentRequest(
             Optional<String> description,
             Optional<String> baseExperimentId,
             Optional<List<String>> tags,
-            Optional<Map<String, Object>> metadata) {
+            Optional<Map<String, Object>> metadata,
+            Optional<String> datasetId,
+            Optional<String> datasetVersion) {
 
         public CreateExperimentRequest(String projectId, String name) {
             this(
@@ -743,6 +747,8 @@ public CreateExperimentRequest(String projectId, String name) {
                     Optional.empty(),
                     Optional.empty(),
                     Optional.empty(),
+                    Optional.empty(),
+                    Optional.empty(),
                     Optional.empty());
         }
     }
@@ -755,7 +761,32 @@ record Experiment(
             List<String> tags,
             Map<String, Object> metadata,
             String createdAt,
-            String updatedAt) {}
+            String updatedAt,
+            Optional<String> datasetId,
+            Optional<String> datasetVersion) {
+        /** Convenience constructor */
+        public Experiment(
+                String id,
+                String projectId,
+                String name,
+                Optional<String> description,
+                List<String> tags,
+                Map<String, Object> metadata,
+                String createdAt,
+                String updatedAt) {
+            this(
+                    id,
+                    projectId,
+                    name,
+                    description,
+                    tags,
+                    metadata,
+                    createdAt,
+                    updatedAt,
+                    Optional.empty(),
+                    Optional.empty());
+        }
+    }
 
     record CreateDatasetRequest(String projectId, String name, Optional<String> description) {
         public CreateDatasetRequest(String projectId, String name) {
diff --git a/src/main/java/dev/braintrust/eval/Dataset.java b/src/main/java/dev/braintrust/eval/Dataset.java
index 381f5ad3..ab15214a 100644
--- a/src/main/java/dev/braintrust/eval/Dataset.java
+++ b/src/main/java/dev/braintrust/eval/Dataset.java
@@ -25,11 +25,7 @@ public interface Dataset<INPUT, OUTPUT> {
     /** Convenience method to safely iterate all items in a dataset. */
     default void forEach(Consumer<DatasetCase<INPUT, OUTPUT>> consumer) {
         try (var cursor = openCursor()) {
-            Optional<DatasetCase<INPUT, OUTPUT>> cursorCase = cursor.next();
-            while (cursorCase.isPresent()) {
-                consumer.accept(cursorCase.get());
-                cursorCase = cursor.next();
-            }
+            cursor.forEach(consumer);
         }
     }
 
@@ -47,6 +43,17 @@ interface Cursor<CASE> extends AutoCloseable {
 
         /** close all cursor resources */
         void close();
+
+        /** version of the dataset this cursor was opened against */
+        Optional<String> version();
+
+        default void forEach(Consumer<CASE> caseConsumer) {
+            Optional<CASE> c = next();
+            while (c.isPresent()) {
+                caseConsumer.accept(c.get());
+                c = next();
+            }
+        }
     }
 
     /** Create an in-memory Dataset containing the provided cases. */
diff --git a/src/main/java/dev/braintrust/eval/DatasetBrainstoreImpl.java b/src/main/java/dev/braintrust/eval/DatasetBrainstoreImpl.java
index ed15eafa..ca363556 100644
--- a/src/main/java/dev/braintrust/eval/DatasetBrainstoreImpl.java
+++ b/src/main/java/dev/braintrust/eval/DatasetBrainstoreImpl.java
@@ -2,7 +2,9 @@
 
 import dev.braintrust.api.BraintrustApiClient;
 import java.util.*;
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
+import org.jspecify.annotations.NonNull;
 
 /** A dataset loaded externally from Braintrust using paginated API fetches */
 public class DatasetBrainstoreImpl<INPUT, OUTPUT> implements Dataset<INPUT, OUTPUT> {
@@ -39,7 +41,25 @@ public Optional<String> version() {
 
     @Override
     public Cursor<DatasetCase<INPUT, OUTPUT>> openCursor() {
-        return new BrainstoreCursor();
+        return new BrainstoreCursor(null == pinnedVersion ? fetchMaxVersion() : pinnedVersion);
+    }
+
+    private String fetchMaxVersion() {
+        var response =
+                apiClient.btqlQuery(
+                        "SELECT max(_xact_id) as version FROM dataset('%s')".formatted(datasetId));
+        if (response.data().isEmpty()) {
+            throw new RuntimeException(
+                    "Failed to fetch max version for dataset: " + datasetId + " (empty response)");
+        }
+        var version = response.data().get(0).get("version");
+        if (version == null) {
+            throw new RuntimeException(
+                    "Failed to fetch max version for dataset: "
+                            + datasetId
+                            + " (null version — dataset may be empty)");
+        }
+        return String.valueOf(version);
     }
 
     private class BrainstoreCursor implements Cursor<DatasetCase<INPUT, OUTPUT>> {
@@ -48,13 +68,15 @@ private class BrainstoreCursor implements Cursor<DatasetCase<INPUT, OUTPUT>> {
         private @Nullable String cursor;
         private boolean exhausted;
         private boolean closed;
+        private final @Nonnull String cursorVersion;
 
-        BrainstoreCursor() {
+        BrainstoreCursor(@NonNull String cursorVersion) {
             this.currentBatch = new ArrayList<>();
             this.currentIndex = 0;
             this.cursor = null;
             this.exhausted = false;
             this.closed = false;
+            this.cursorVersion = cursorVersion;
         }
 
         @Override
@@ -111,7 +133,7 @@ public Optional<DatasetCase<INPUT, OUTPUT>> next() {
 
         private void fetchNextBatch() {
             var request =
-                    new BraintrustApiClient.DatasetFetchRequest(batchSize, cursor, pinnedVersion);
+                    new BraintrustApiClient.DatasetFetchRequest(batchSize, cursor, cursorVersion);
             var response = apiClient.fetchDatasetEvents(datasetId, request);
 
             currentBatch = new ArrayList<>(response.events());
@@ -129,5 +151,10 @@ public void close() {
             closed = true;
             currentBatch.clear();
         }
+
+        @Override
+        public Optional<String> version() {
+            return Optional.of(cursorVersion);
+        }
     }
 }
diff --git a/src/main/java/dev/braintrust/eval/DatasetInMemoryImpl.java b/src/main/java/dev/braintrust/eval/DatasetInMemoryImpl.java
index 9d2d868f..f7627fa3 100644
--- a/src/main/java/dev/braintrust/eval/DatasetInMemoryImpl.java
+++ b/src/main/java/dev/braintrust/eval/DatasetInMemoryImpl.java
@@ -44,6 +44,11 @@ public Optional<DatasetCase<INPUT, OUTPUT>> next() {
             public void close() {
                 closed = true;
             }
+
+            @Override
+            public Optional<String> version() {
+                return Optional.empty();
+            }
         };
     }
 }
diff --git a/src/main/java/dev/braintrust/eval/Eval.java b/src/main/java/dev/braintrust/eval/Eval.java
index c12de920..a87ceecc 100644
--- a/src/main/java/dev/braintrust/eval/Eval.java
+++ b/src/main/java/dev/braintrust/eval/Eval.java
@@ -60,16 +60,28 @@ private Eval(Builder<INPUT, OUTPUT> builder) {
 
     /** Runs the evaluation and returns results. */
     public EvalResult run() {
-        var experiment =
-                client.getOrCreateExperiment(
-                        new BraintrustApiClient.CreateExperimentRequest(
-                                orgAndProject.project().id(),
-                                experimentName,
-                                Optional.empty(),
-                                Optional.empty(),
-                                tags.isEmpty() ? Optional.empty() : Optional.of(tags),
-                                metadata.isEmpty() ? Optional.empty() : Optional.of(metadata)));
-        dataset.forEach(datasetCase -> evalOne(experiment.id(), datasetCase));
+        try (var cursor = dataset.openCursor()) {
+            Optional<String> datasetVersion = Optional.empty();
+            Optional<String> datasetId = Optional.empty();
+            if (dataset instanceof DatasetBrainstoreImpl<INPUT, OUTPUT>) {
+                // TODO: come up with a means of expressing this naturally in the dataset api
+                datasetVersion = cursor.version();
+                datasetId = Optional.of(dataset.id());
+            }
+            var experiment =
+                    client.getOrCreateExperiment(
+                            new BraintrustApiClient.CreateExperimentRequest(
+                                    orgAndProject.project().id(),
+                                    experimentName,
+                                    Optional.empty(),
+                                    Optional.empty(),
+                                    tags.isEmpty() ? Optional.empty() : Optional.of(tags),
+                                    metadata.isEmpty() ? Optional.empty() : Optional.of(metadata),
+                                    datasetId,
+                                    datasetVersion));
+            cursor.forEach(datasetCase -> evalOne(experiment.id(), datasetCase));
+        }
+
         var experimentUrl =
                 "%s/experiments/%s"
                         .formatted(
diff --git a/src/test/java/dev/braintrust/eval/EvalTest.java b/src/test/java/dev/braintrust/eval/EvalTest.java
index 75bc4197..f59a8db5 100644
--- a/src/test/java/dev/braintrust/eval/EvalTest.java
+++ b/src/test/java/dev/braintrust/eval/EvalTest.java
@@ -336,4 +336,48 @@ void evalWithExperimentTagsAndMetadata() {
         assertEquals(expectedTags, experiment.tags(), "Experiment should have tags");
         assertEquals(expectedMetadata, experiment.metadata(), "Experiment should have metadata");
     }
+
+    @Test
+    @SneakyThrows
+    void evalLinksToRemoteDataset() {
+        if (TestHarness.getVcrMode() == VCR.VcrMode.REPLAY) {
+            return;
+        }
+
+        var experimentName = "test-dataset-linking";
+        Dataset<String, String> dataset = testHarness.braintrust().fetchDataset("food");
+
+        var eval =
+                testHarness
+                        .braintrust()
+                        .<String, String>evalBuilder()
+                        .name(experimentName)
+                        .dataset(dataset)
+                        .taskFunction(String::toUpperCase)
+                        .scorers(
+                                Scorer.of(
+                                        "exact",
+                                        (expected, result) -> expected.equals(result) ? 1.0 : 0.0))
+                        .build();
+        eval.run();
+        testHarness.awaitExportedSpans();
+
+        // Verify the experiment is linked to the dataset
+        var experiments =
+                testHarness
+                        .braintrust()
+                        .apiClient()
+                        .listExperiments(TestHarness.defaultProjectId());
+        var experiment =
+                experiments.stream()
+                        .filter(e -> e.name().equals(experimentName))
+                        .findFirst()
+                        .orElseThrow(() -> new AssertionError("Experiment not found"));
+
+        assertTrue(experiment.datasetId().isPresent(), "Experiment should be linked to a dataset");
+        assertEquals(dataset.id(), experiment.datasetId().get(), "Dataset ID should match");
+        assertTrue(
+                experiment.datasetVersion().isPresent(),
+                "Experiment should have a dataset version");
+    }
 }
diff --git a/src/test/resources/cassettes/anthropic/__files/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.txt b/src/test/resources/cassettes/anthropic/__files/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.txt
similarity index 72%
rename from src/test/resources/cassettes/anthropic/__files/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.txt
rename to src/test/resources/cassettes/anthropic/__files/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.txt
index 6fd822b4..c73dd628 100644
--- a/src/test/resources/cassettes/anthropic/__files/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.txt
+++ b/src/test/resources/cassettes/anthropic/__files/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.txt
@@ -1,24 +1,24 @@
 event: message_start
-data: {"type":"message_start","message":{"model":"claude-3-5-haiku-20241022","id":"msg_01VCp1RHSod6yjMZgMhvo63L","type":"message","role":"assistant","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":5,"service_tier":"standard","inference_geo":"not_available"}}  }
+data: {"type":"message_start","message":{"model":"claude-3-5-haiku-20241022","id":"msg_01NhbxNFB9uMvk5gvd7qG2Ve","type":"message","role":"assistant","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":5,"service_tier":"standard","inference_geo":"not_available"}}         }
 
 event: content_block_start
-data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}           }
+data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}               }
 
 event: ping
 data: {"type": "ping"}
 
 event: content_block_delta
-data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"The capital of France is"}  }
+data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"The capital of France is"}}
 
 event: content_block_delta
-data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":" Paris."}   }
+data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":" Paris."}      }
 
 event: content_block_stop
-data: {"type":"content_block_stop","index":0}
+data: {"type":"content_block_stop","index":0    }
 
 event: message_delta
-data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":10}               }
+data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":10}           }
 
 event: message_stop
-data: {"type":"message_stop"            }
+data: {"type":"message_stop" }
 
diff --git a/src/test/resources/cassettes/anthropic/__files/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json b/src/test/resources/cassettes/anthropic/__files/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
similarity index 72%
rename from src/test/resources/cassettes/anthropic/__files/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json
rename to src/test/resources/cassettes/anthropic/__files/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
index 806febc4..894c7767 100644
--- a/src/test/resources/cassettes/anthropic/__files/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json
+++ b/src/test/resources/cassettes/anthropic/__files/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
@@ -1 +1 @@
-{"model":"claude-3-5-haiku-20241022","id":"msg_01QZ2Kog1CjtsKvGZnAbYYSQ","type":"message","role":"assistant","content":[{"type":"text","text":"The capital of France is Paris."}],"stop_reason":"end_turn","stop_sequence":null,"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":10,"service_tier":"standard","inference_geo":"not_available"}}
\ No newline at end of file
+{"model":"claude-3-5-haiku-20241022","id":"msg_01SdXWAvhUNSc6wMD8ii2Ma7","type":"message","role":"assistant","content":[{"type":"text","text":"The capital of France is Paris."}],"stop_reason":"end_turn","stop_sequence":null,"usage":{"input_tokens":19,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":10,"service_tier":"standard","inference_geo":"not_available"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/anthropic/mappings/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.json b/src/test/resources/cassettes/anthropic/mappings/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.json
similarity index 70%
rename from src/test/resources/cassettes/anthropic/mappings/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.json
rename to src/test/resources/cassettes/anthropic/mappings/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.json
index 42e82577..fc5c2005 100644
--- a/src/test/resources/cassettes/anthropic/mappings/v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.json
+++ b/src/test/resources/cassettes/anthropic/mappings/v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.json
@@ -1,5 +1,5 @@
 {
-  "id" : "71f8c84f-b988-4c20-ab41-8e0f5e20325c",
+  "id" : "14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c",
   "name" : "v1_messages",
   "request" : {
     "url" : "/v1/messages",
@@ -17,35 +17,35 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_messages-71f8c84f-b988-4c20-ab41-8e0f5e20325c.txt",
+    "bodyFileName" : "v1_messages-14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c.txt",
     "headers" : {
-      "Date" : "Fri, 06 Feb 2026 01:36:11 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:37 GMT",
       "Content-Type" : "text/event-stream; charset=utf-8",
       "Cache-Control" : "no-cache",
       "anthropic-ratelimit-requests-limit" : "10000",
       "anthropic-ratelimit-requests-remaining" : "9999",
-      "anthropic-ratelimit-requests-reset" : "2026-02-06T01:36:11Z",
+      "anthropic-ratelimit-requests-reset" : "2026-02-18T04:40:36Z",
       "anthropic-ratelimit-input-tokens-limit" : "5000000",
       "anthropic-ratelimit-input-tokens-remaining" : "5000000",
-      "anthropic-ratelimit-input-tokens-reset" : "2026-02-06T01:36:11Z",
+      "anthropic-ratelimit-input-tokens-reset" : "2026-02-18T04:40:36Z",
       "anthropic-ratelimit-output-tokens-limit" : "1000000",
       "anthropic-ratelimit-output-tokens-remaining" : "1000000",
-      "anthropic-ratelimit-output-tokens-reset" : "2026-02-06T01:36:11Z",
+      "anthropic-ratelimit-output-tokens-reset" : "2026-02-18T04:40:36Z",
       "anthropic-ratelimit-tokens-limit" : "6000000",
       "anthropic-ratelimit-tokens-remaining" : "6000000",
-      "anthropic-ratelimit-tokens-reset" : "2026-02-06T01:36:11Z",
-      "request-id" : "req_011CXqxWWdE6Kb91K1dfu7Zt",
+      "anthropic-ratelimit-tokens-reset" : "2026-02-18T04:40:36Z",
+      "request-id" : "req_011CYEvHDdWoj2q5sbR7CzQ9",
       "strict-transport-security" : "max-age=31536000; includeSubDomains; preload",
       "anthropic-organization-id" : "27796668-7351-40ac-acc4-024aee8995a5",
       "Server" : "cloudflare",
-      "x-envoy-upstream-service-time" : "388",
-      "cf-cache-status" : "DYNAMIC",
+      "x-envoy-upstream-service-time" : "414",
       "X-Robots-Tag" : "none",
       "Content-Security-Policy" : "default-src 'none'; frame-ancestors 'none'",
-      "CF-RAY" : "9c96ea441d1eba4e-SEA"
+      "cf-cache-status" : "DYNAMIC",
+      "CF-RAY" : "9cfad8ee5a4ab9f4-SEA"
     }
   },
-  "uuid" : "71f8c84f-b988-4c20-ab41-8e0f5e20325c",
+  "uuid" : "14d7ddaf-c4dc-4e41-ae83-1b9b0e7e222c",
   "persistent" : true,
   "insertionIndex" : 2
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/anthropic/mappings/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json b/src/test/resources/cassettes/anthropic/mappings/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
similarity index 69%
rename from src/test/resources/cassettes/anthropic/mappings/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json
rename to src/test/resources/cassettes/anthropic/mappings/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
index bfbc6e9e..5f4cc793 100644
--- a/src/test/resources/cassettes/anthropic/mappings/v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json
+++ b/src/test/resources/cassettes/anthropic/mappings/v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json
@@ -1,5 +1,5 @@
 {
-  "id" : "850b9b3b-255f-4688-8cbc-b975114bb35d",
+  "id" : "c848dbe0-8923-4e08-bb1e-892a6fb643f3",
   "name" : "v1_messages",
   "request" : {
     "url" : "/v1/messages",
@@ -17,34 +17,34 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_messages-850b9b3b-255f-4688-8cbc-b975114bb35d.json",
+    "bodyFileName" : "v1_messages-c848dbe0-8923-4e08-bb1e-892a6fb643f3.json",
     "headers" : {
-      "Date" : "Fri, 06 Feb 2026 01:36:09 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:35 GMT",
       "Content-Type" : "application/json",
       "anthropic-ratelimit-requests-limit" : "10000",
       "anthropic-ratelimit-requests-remaining" : "9999",
-      "anthropic-ratelimit-requests-reset" : "2026-02-06T01:36:09Z",
+      "anthropic-ratelimit-requests-reset" : "2026-02-18T04:40:35Z",
       "anthropic-ratelimit-input-tokens-limit" : "5000000",
       "anthropic-ratelimit-input-tokens-remaining" : "5000000",
-      "anthropic-ratelimit-input-tokens-reset" : "2026-02-06T01:36:09Z",
+      "anthropic-ratelimit-input-tokens-reset" : "2026-02-18T04:40:35Z",
       "anthropic-ratelimit-output-tokens-limit" : "1000000",
       "anthropic-ratelimit-output-tokens-remaining" : "1000000",
-      "anthropic-ratelimit-output-tokens-reset" : "2026-02-06T01:36:09Z",
+      "anthropic-ratelimit-output-tokens-reset" : "2026-02-18T04:40:35Z",
       "anthropic-ratelimit-tokens-limit" : "6000000",
       "anthropic-ratelimit-tokens-remaining" : "6000000",
-      "anthropic-ratelimit-tokens-reset" : "2026-02-06T01:36:09Z",
-      "request-id" : "req_011CXqxWPQe5S6dmTtRm1aJT",
+      "anthropic-ratelimit-tokens-reset" : "2026-02-18T04:40:35Z",
+      "request-id" : "req_011CYEvH7JGUcinQwLLRLogN",
       "strict-transport-security" : "max-age=31536000; includeSubDomains; preload",
       "anthropic-organization-id" : "27796668-7351-40ac-acc4-024aee8995a5",
       "Server" : "cloudflare",
-      "x-envoy-upstream-service-time" : "526",
+      "x-envoy-upstream-service-time" : "456",
       "cf-cache-status" : "DYNAMIC",
       "X-Robots-Tag" : "none",
       "Content-Security-Policy" : "default-src 'none'; frame-ancestors 'none'",
-      "CF-RAY" : "9c96ea399fda0fde-SEA"
+      "CF-RAY" : "9cfad8e51ba9d442-SEA"
     }
   },
-  "uuid" : "850b9b3b-255f-4688-8cbc-b975114bb35d",
+  "uuid" : "c848dbe0-8923-4e08-bb1e-892a6fb643f3",
   "persistent" : true,
   "insertionIndex" : 1
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json
rename to src/test/resources/cassettes/braintrust/__files/api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json
new file mode 100644
index 00000000..9a18a482
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json
@@ -0,0 +1 @@
+{"org_info":[{"id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"braintrustdata.com","api_url":"https://staging-api.braintrust.dev","git_metadata":{"fields":["commit","branch","tag","author_name","author_email","commit_message","commit_time","dirty"],"collect":"some"},"is_universal_api":true,"proxy_url":"https://staging-api.braintrust.dev","realtime_url":"wss://realtime.braintrustapi.com"}]}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json
new file mode 100644
index 00000000..9a18a482
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json
@@ -0,0 +1 @@
+{"org_info":[{"id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"braintrustdata.com","api_url":"https://staging-api.braintrust.dev","git_metadata":{"fields":["commit","branch","tag","author_name","author_email","commit_message","commit_time","dirty"],"collect":"some"},"is_universal_api":true,"proxy_url":"https://staging-api.braintrust.dev","realtime_url":"wss://realtime.braintrustapi.com"}]}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json
new file mode 100644
index 00000000..9a18a482
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json
@@ -0,0 +1 @@
+{"org_info":[{"id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"braintrustdata.com","api_url":"https://staging-api.braintrust.dev","git_metadata":{"fields":["commit","branch","tag","author_name","author_email","commit_message","commit_time","dirty"],"collect":"some"},"is_universal_api":true,"proxy_url":"https://staging-api.braintrust.dev","realtime_url":"wss://realtime.braintrustapi.com"}]}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json b/src/test/resources/cassettes/braintrust/__files/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json
new file mode 100644
index 00000000..488faa79
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json
@@ -0,0 +1 @@
+{"data":[{"name":"test-distributed-trace-parent","root_span_id":"2ec27862bd1783c1e29905fff970fbb4","span_id":"020909947e30e049","span_parents":null},{"name":"Chat Completion","root_span_id":"2ec27862bd1783c1e29905fff970fbb4","span_id":"3ba78978-70fb-4c6c-85c0-eb3a71b2f8be","span_parents":["6fbb52c2-2a71-4418-badc-9e5f4846e5a4"]},{"name":"close-enough-judge","root_span_id":"2ec27862bd1783c1e29905fff970fbb4","span_id":"6fbb52c2-2a71-4418-badc-9e5f4846e5a4","span_parents":["020909947e30e049"]}],"schema":{"type":"array","items":{"type":"object","properties":{"span_id":{"type":"string","description":"A unique identifier used to link different project logs events together as part of a full trace. See the [tracing guide](https://www.braintrust.dev/docs/instrument) for full details on tracing"},"span_parents":{"anyOf":[{"type":"array","items":{"type":"string"}},{"type":"null"}]},"root_span_id":{"type":"string","description":"A unique identifier for the trace this project logs event belongs to"},"name":{"type":["string","null"],"description":"Name of the span, for display purposes only"}}}},"cursor":"aZVCvcZdAAA","realtime_state":{"type":"on","minimum_xact_id":null,"read_bytes":3822,"actual_xact_id":"1000196682043803668"},"freshness_state":{"last_processed_xact_id":"1000196682017449358","last_considered_xact_id":"1000196682043803668"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json b/src/test/resources/cassettes/braintrust/__files/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json
deleted file mode 100644
index c8cff2a0..00000000
--- a/src/test/resources/cassettes/braintrust/__files/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json
+++ /dev/null
@@ -1 +0,0 @@
-{"data":[{"name":"test-distributed-trace-parent","root_span_id":"1ac0a409fabeeef1bbee8c5b89d20f78","span_id":"f0d93b16e0263ec9","span_parents":null},{"name":"Chat Completion","root_span_id":"1ac0a409fabeeef1bbee8c5b89d20f78","span_id":"ef5c8119-972a-4c01-8727-44cb278b474a","span_parents":["a9fd53f3-852a-4045-96c7-c15549a36360"]},{"name":"close-enough-judge","root_span_id":"1ac0a409fabeeef1bbee8c5b89d20f78","span_id":"a9fd53f3-852a-4045-96c7-c15549a36360","span_parents":["f0d93b16e0263ec9"]}],"schema":{"type":"array","items":{"type":"object","properties":{"span_id":{"type":"string","description":"A unique identifier used to link different project logs events together as part of a full trace. See the [tracing guide](https://www.braintrust.dev/docs/instrument) for full details on tracing"},"span_parents":{"anyOf":[{"type":"array","items":{"type":"string"}},{"type":"null"}]},"root_span_id":{"type":"string","description":"A unique identifier for the trace this project logs event belongs to"},"name":{"type":["string","null"],"description":"Name of the span, for display purposes only"}}}},"cursor":"aYVFg6mfAAA","realtime_state":{"type":"on","minimum_xact_id":null,"read_bytes":3983,"actual_xact_id":"1000196613370785822"},"freshness_state":{"last_processed_xact_id":"1000196613352696441","last_considered_xact_id":"1000196613370785822"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json b/src/test/resources/cassettes/braintrust/__files/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json
new file mode 100644
index 00000000..9d6ac98d
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json
@@ -0,0 +1 @@
+{"data":[{"version":"1000196534141277158"}],"schema":{"type":"array","items":{"type":"object","properties":{"version":{"type":"string","description":"The transaction id of an event is unique to the network operation that processed the event insertion. Transaction ids are monotonically increasing over time and can be used to retrieve a versioned snapshot of the dataset (see the `version` parameter)"}}}},"realtime_state":{"type":"on","minimum_xact_id":"1000196534141277158","read_bytes":0,"actual_xact_id":"1000196534141277158"},"freshness_state":{"last_processed_xact_id":"1000196534141277158","last_considered_xact_id":"1000196534141277158"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json b/src/test/resources/cassettes/braintrust/__files/otel_v1_traces-1f53668a-2c19-4f7c-91ae-089d00e6a581.json
similarity index 60%
rename from src/test/resources/cassettes/braintrust/__files/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json
rename to src/test/resources/cassettes/braintrust/__files/otel_v1_traces-1f53668a-2c19-4f7c-91ae-089d00e6a581.json
index fe135f89..94a81fe5 100644
--- a/src/test/resources/cassettes/braintrust/__files/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json
+++ b/src/test/resources/cassettes/braintrust/__files/otel_v1_traces-1f53668a-2c19-4f7c-91ae-089d00e6a581.json
@@ -1 +1 @@
-{"Code":"ForbiddenError","Message":"Missing read access to experiment id abc123-http-test, or the experiment does not exist [user_email=andrew@braintrustdata.com] [user_org=braintrustdata.com] [timestamp=1770341784.956]","InternalTraceId":"69854598000000007331b16d970969f8","Path":"/otel/v1/traces","Service":"api"}
\ No newline at end of file
+{"Code":"ForbiddenError","Message":"Missing read access to experiment id abc123-http-test, or the experiment does not exist [user_email=andrew@braintrustdata.com] [user_org=braintrustdata.com] [timestamp=1771389652.229]","InternalTraceId":"699542d4000000000f4464b0736785fe","Path":"/otel/v1/traces","Service":"api"}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_dataset-185b2d54-b89d-4b46-945c-4f6c65616a68.json b/src/test/resources/cassettes/braintrust/__files/v1_dataset-185b2d54-b89d-4b46-945c-4f6c65616a68.json
new file mode 100644
index 00000000..97d2c159
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_dataset-185b2d54-b89d-4b46-945c-4f6c65616a68.json
@@ -0,0 +1 @@
+{"objects":[{"id":"0855b29c-69ba-4f98-9154-61a40334a492","project_id":"6ae68365-7620-4630-921b-bac416634fc8","name":"food","description":null,"created":"2026-01-23T01:46:35.324Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","metadata":null,"url_slug":"food"}]}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-885c9e5f-0e79-47fb-8c59-71edaa6133a3.json b/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-885c9e5f-0e79-47fb-8c59-71edaa6133a3.json
new file mode 100644
index 00000000..d042adda
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-885c9e5f-0e79-47fb-8c59-71edaa6133a3.json
@@ -0,0 +1 @@
+{"events":[]}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-ba6e515c-86b4-4c59-8d33-d2c099c70cf9.json b/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-ba6e515c-86b4-4c59-8d33-d2c099c70cf9.json
new file mode 100644
index 00000000..2d17242e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_dataset_0855b29c-69ba-4f98-9154-61a40334a492_fetch-ba6e515c-86b4-4c59-8d33-d2c099c70cf9.json
@@ -0,0 +1 @@
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diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-025e0eb0-5e77-44b1-91f6-3f2c18008f6d.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-025e0eb0-5e77-44b1-91f6-3f2c18008f6d.json
new file mode 100644
index 00000000..fa1f3ee3
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diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-0d000b97-4a70-4a7c-bbe2-642157208b18.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-0d000b97-4a70-4a7c-bbe2-642157208b18.json
new file mode 100644
index 00000000..fa1f3ee3
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_experiment-0d000b97-4a70-4a7c-bbe2-642157208b18.json
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\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-27daf9ae-46e0-47c6-a4c7-f1da6df5a0d5.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-27daf9ae-46e0-47c6-a4c7-f1da6df5a0d5.json
new file mode 100644
index 00000000..4e086a2f
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_experiment-27daf9ae-46e0-47c6-a4c7-f1da6df5a0d5.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-306529b9-ef97-4536-a3c4-5781f334b74f.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json
rename to src/test/resources/cassettes/braintrust/__files/v1_experiment-306529b9-ef97-4536-a3c4-5781f334b74f.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-6739f106-9463-4391-abc0-d1c302b4eb9d.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-6739f106-9463-4391-abc0-d1c302b4eb9d.json
new file mode 100644
index 00000000..779347bf
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_experiment-6739f106-9463-4391-abc0-d1c302b4eb9d.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-9a5483ae-8d2e-43e4-a762-e57ccb95c527.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-7087692a-8f57-4182-8477-ec0adb18d4e6.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_experiment-9a5483ae-8d2e-43e4-a762-e57ccb95c527.json
rename to src/test/resources/cassettes/braintrust/__files/v1_experiment-7087692a-8f57-4182-8477-ec0adb18d4e6.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-a82997e0-2473-49b6-8839-4e570e7748ab.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json
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rename from src/test/resources/cassettes/braintrust/__files/v1_experiment-a82997e0-2473-49b6-8839-4e570e7748ab.json
rename to src/test/resources/cassettes/braintrust/__files/v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json b/src/test/resources/cassettes/braintrust/__files/v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json
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rename from src/test/resources/cassettes/braintrust/__files/v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json
rename to src/test/resources/cassettes/braintrust/__files/v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function-9270516e-455e-4e54-a319-08763684b9e1.json b/src/test/resources/cassettes/braintrust/__files/v1_function-2208cc91-4376-4225-82c5-b17a09a03190.json
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rename to src/test/resources/cassettes/braintrust/__files/v1_function-2208cc91-4376-4225-82c5-b17a09a03190.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function-267ac1d1-7ec6-41f8-8be3-dbc6b39faed4.json b/src/test/resources/cassettes/braintrust/__files/v1_function-230cfd03-c494-4e04-85b1-5659aa568566.json
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rename from src/test/resources/cassettes/braintrust/__files/v1_function-267ac1d1-7ec6-41f8-8be3-dbc6b39faed4.json
rename to src/test/resources/cassettes/braintrust/__files/v1_function-230cfd03-c494-4e04-85b1-5659aa568566.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function-e40a6c6d-8043-4604-8743-5b8d3ef20ebb.json b/src/test/resources/cassettes/braintrust/__files/v1_function-5bb7375b-1525-4475-b302-0caf16398bba.json
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rename from src/test/resources/cassettes/braintrust/__files/v1_function-e40a6c6d-8043-4604-8743-5b8d3ef20ebb.json
rename to src/test/resources/cassettes/braintrust/__files/v1_function-5bb7375b-1525-4475-b302-0caf16398bba.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function-43534cd9-3277-4968-9aa1-d19a1b57e139.json b/src/test/resources/cassettes/braintrust/__files/v1_function-948c77ba-4378-4c95-b1ec-119afe4a2088.json
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rename to src/test/resources/cassettes/braintrust/__files/v1_function-948c77ba-4378-4c95-b1ec-119afe4a2088.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function-a21b660b-1a47-4bcc-883b-edea5bcb61a4.json b/src/test/resources/cassettes/braintrust/__files/v1_function-bfb7214c-9000-4f89-8712-150dd15a2b64.json
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rename from src/test/resources/cassettes/braintrust/__files/v1_function-a21b660b-1a47-4bcc-883b-edea5bcb61a4.json
rename to src/test/resources/cassettes/braintrust/__files/v1_function-bfb7214c-9000-4f89-8712-150dd15a2b64.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-12c00315-a2c6-451c-9b5f-274322d28c69.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ae22067e-8a25-471f-9153-d0074b401701.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-12c00315-a2c6-451c-9b5f-274322d28c69.json
rename to src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ae22067e-8a25-471f-9153-d0074b401701.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-6af504d6-0141-49f3-be47-ff605070f9b2.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ce4de5fb-3154-4185-b36c-7e2a758e1d16.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-6af504d6-0141-49f3-be47-ff605070f9b2.json
rename to src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ce4de5fb-3154-4185-b36c-7e2a758e1d16.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json
new file mode 100644
index 00000000..8240352f
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json
@@ -0,0 +1 @@
+{"name":"close-enough-judge","score":null,"metadata":{"rationale":"1) Identify the actual output: \"hello world\".\n2) Identify the expected output: \"hello world\".\n3) Compare them character-by-character, including case and whitespace.\n4) No differences found: characters, case, and spacing are identical.\n5) For an exact-match scoring scale from 0.0 to 1.0, identical outputs map to 1.0.\n\nConclusion: exact match, score 1.0.","choice":"1.0"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json
deleted file mode 100644
index a813a1e6..00000000
--- a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json
+++ /dev/null
@@ -1 +0,0 @@
-{"name":"close-enough-judge","score":null,"metadata":{"rationale":"1) Identify the expected result: the expected output is the numeral '4'.\n2) Identify the actual output: the model produced the word 'four'.\n3) Normalize both outputs for semantic comparison: convert spelled-out numbers to their numeric value (\"four\" -> 4) and interpret numerals as numbers (\"4\" -> 4).\n4) Compare normalized values: 4 == 4, so they are semantically identical.\n5) Consider common evaluation schemes: strict string match would mark them as different (score 0.0), while numeric/semantic normalization would treat them as equivalent (score 1.0). Given typical LLM evals that allow normalization of number formats, the correct score is 1.0.\n6) Provide final numeric score accordingly.","choice":"1.0"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json
new file mode 100644
index 00000000..75c22882
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json
@@ -0,0 +1 @@
+{"name":"close-enough-judge","score":null,"metadata":{"rationale":"1) Identify semantic meaning: the token 'four' is the English word representing the integer 4.\n2) Compare to expected: '4' is the numeric digit for the same integer.\n3) Normalization: Under common evaluation normalization (case-insensitive, number-word normalization), these are equivalent.\n4) Edge cases: If the grader requires exact string match without normalization, they'd be considered different; but typical semantic scoring treats them equal.\n5) Conclusion: semantically identical in standard evaluations, so full score is appropriate.","choice":"1.0"}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-dc0610e4-b9a7-466f-8485-6de01fcc8a7d.json b/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-dc0610e4-b9a7-466f-8485-6de01fcc8a7d.json
deleted file mode 100644
index 0de1a022..00000000
--- a/src/test/resources/cassettes/braintrust/__files/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-dc0610e4-b9a7-466f-8485-6de01fcc8a7d.json
+++ /dev/null
@@ -1 +0,0 @@
-{"name":"close-enough-judge","score":null,"metadata":{"rationale":"Step 1: Compare the two strings character-by-character.\nStep 2: Check casing: both are all lowercase.\nStep 3: Check spacing: both contain a single space between 'hello' and 'world', no leading/trailing spaces.\nStep 4: Check for punctuation/newlines: neither string contains punctuation or newlines.\nStep 5: Verify overall equality: all characters match in order, so the outputs are identical.\nConclusion: The output is an exact match to the expected result, warranting the highest possible score.","choice":"1.0"}}
\ No newline at end of file
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diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-c50b53d4-f3ad-4bc7-aa3c-b7494d6eca3c.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-4b024304-9269-4be8-81b7-45f59ab3ce9a.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-c50b53d4-f3ad-4bc7-aa3c-b7494d6eca3c.json
rename to src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-4b024304-9269-4be8-81b7-45f59ab3ce9a.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-e5b67a0b-68ea-4145-bb3a-67915c2fabb7.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-518d99e1-32d9-4629-806d-a1c2a7b1b945.json
similarity index 100%
rename from src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-e5b67a0b-68ea-4145-bb3a-67915c2fabb7.json
rename to src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-518d99e1-32d9-4629-806d-a1c2a7b1b945.json
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-559a04f0-92b9-42b6-a7f9-d36b49198a55.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-559a04f0-92b9-42b6-a7f9-d36b49198a55.json
new file mode 100644
index 00000000..f2e7801e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-559a04f0-92b9-42b6-a7f9-d36b49198a55.json
@@ -0,0 +1 @@
+{"id":"6ae68365-7620-4630-921b-bac416634fc8","org_id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"java-unit-test","description":null,"created":"2026-01-21T01:32:52.137Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","settings":{"remote_eval_sources":[{"url":"http://localhost:8301","name":"java-devserver","description":null}]}}
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diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-5f60913c-bcb1-4d6b-b523-dfab5a0bf331.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-5f60913c-bcb1-4d6b-b523-dfab5a0bf331.json
new file mode 100644
index 00000000..f2e7801e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-5f60913c-bcb1-4d6b-b523-dfab5a0bf331.json
@@ -0,0 +1 @@
+{"id":"6ae68365-7620-4630-921b-bac416634fc8","org_id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"java-unit-test","description":null,"created":"2026-01-21T01:32:52.137Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","settings":{"remote_eval_sources":[{"url":"http://localhost:8301","name":"java-devserver","description":null}]}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-725659b9-8cb1-4abf-a6d5-acd1aab5e184.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-725659b9-8cb1-4abf-a6d5-acd1aab5e184.json
new file mode 100644
index 00000000..f2e7801e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-725659b9-8cb1-4abf-a6d5-acd1aab5e184.json
@@ -0,0 +1 @@
+{"id":"6ae68365-7620-4630-921b-bac416634fc8","org_id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"java-unit-test","description":null,"created":"2026-01-21T01:32:52.137Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","settings":{"remote_eval_sources":[{"url":"http://localhost:8301","name":"java-devserver","description":null}]}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-a97a6294-e519-40ae-93e4-8fe8a98c4c72.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-a97a6294-e519-40ae-93e4-8fe8a98c4c72.json
new file mode 100644
index 00000000..f2e7801e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-a97a6294-e519-40ae-93e4-8fe8a98c4c72.json
@@ -0,0 +1 @@
+{"id":"6ae68365-7620-4630-921b-bac416634fc8","org_id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"java-unit-test","description":null,"created":"2026-01-21T01:32:52.137Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","settings":{"remote_eval_sources":[{"url":"http://localhost:8301","name":"java-devserver","description":null}]}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-b6604fc7-20ad-487e-bbad-4722d29ba245.json b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-b6604fc7-20ad-487e-bbad-4722d29ba245.json
new file mode 100644
index 00000000..f2e7801e
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/__files/v1_project_6ae68365-7620-4630-921b-bac416634fc8-b6604fc7-20ad-487e-bbad-4722d29ba245.json
@@ -0,0 +1 @@
+{"id":"6ae68365-7620-4630-921b-bac416634fc8","org_id":"5d7c97d7-fef1-4cb7-bda6-7e3756a0ca8e","name":"java-unit-test","description":null,"created":"2026-01-21T01:32:52.137Z","deleted_at":null,"user_id":"a5ca7f9c-bf20-40c4-a82b-5c992f6a38f5","settings":{"remote_eval_sources":[{"url":"http://localhost:8301","name":"java-devserver","description":null}]}}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json
new file mode 100644
index 00000000..19e9c994
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json
@@ -0,0 +1,35 @@
+{
+  "id" : "22aa4da1-b695-4e7a-bf32-9418c0cb35bd",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-22aa4da1-b695-4e7a-bf32-9418c0cb35bd.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:28 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "15924a21-85e7-4296-9836-6553511a3747",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542bc0000000072713e34c8e23899",
+      "x-amz-apigw-id" : "Y9ddiEh0oAMEmzw=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542bc-30fed99d0b598ebd7db71e43;Parent=03dc9470056d67a1;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "3M67p-eZid3TxhP5mVQBKV1oWM8VorcsxvPoP58avPwR7pHT04bTsA=="
+    }
+  },
+  "uuid" : "22aa4da1-b695-4e7a-bf32-9418c0cb35bd",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-16",
+  "newScenarioState" : "scenario-2-api-apikey-login-17",
+  "insertionIndex" : 66
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json
new file mode 100644
index 00000000..f0178b33
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json
@@ -0,0 +1,35 @@
+{
+  "id" : "2e38d1d9-0c86-4e03-be99-fab76c681395",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-2e38d1d9-0c86-4e03-be99-fab76c681395.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:18 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "6740b841-1b03-46b9-a72d-b8b693e8cb53",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b10000000014c81a78792e4d86",
+      "x-amz-apigw-id" : "Y9db2G4DoAMEnIg=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b1-6aff0dbf7185d5ac4eca936e;Parent=016d4933b741885c;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 a642518ef4d5fb78c3190de112922a38.cloudfront.net (CloudFront), 1.1 65f2e9f7f1475de54aa452d3ceb9bcf6.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "PEYTSY5hUbON8U9P0rwTztJ7lV2TR_oX8QccCVjkYdy2wQaGaiMYpA=="
+    }
+  },
+  "uuid" : "2e38d1d9-0c86-4e03-be99-fab76c681395",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-10",
+  "newScenarioState" : "scenario-2-api-apikey-login-11",
+  "insertionIndex" : 37
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json
new file mode 100644
index 00000000..9e69f142
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json
@@ -0,0 +1,35 @@
+{
+  "id" : "4f7a3233-b9a8-4352-b16b-6a0676cb9a98",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-4f7a3233-b9a8-4352-b16b-6a0676cb9a98.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:16 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "dbe21cff-6017-4740-a5c5-fc83c6cd278a",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b0000000007fc58d1ddb1e67d9",
+      "x-amz-apigw-id" : "Y9dbpFQaoAMELkw=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b0-25973b873355af3527916d0f;Parent=45659b578e2958ad;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 2582fcc2e5a8f93a556ac3ef26738abc.cloudfront.net (CloudFront), 1.1 0df7f27a01014ab815259ca2d88193c6.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "fttNFAdzpUhFpIE8yWJAURtk_nMscxIU_XGEGVWMffXE394B9wXedQ=="
+    }
+  },
+  "uuid" : "4f7a3233-b9a8-4352-b16b-6a0676cb9a98",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-9",
+  "newScenarioState" : "scenario-2-api-apikey-login-10",
+  "insertionIndex" : 34
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json
deleted file mode 100644
index e20f2565..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  "id" : "52b48d5e-745d-4b33-95d5-cb41a5f37e89",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-52b48d5e-745d-4b33-95d5-cb41a5f37e89.json",
-    "headers" : {
-      "Content-Type" : "application/json; charset=utf-8",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:07 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "61002381-c133-4152-b739-c9e74e3da4ed",
-      "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "6985458700000000090c27ef9d947d53",
-      "x-amz-apigw-id" : "YVfNRFouIAMEiOg=",
-      "vary" : "Origin, Accept-Encoding",
-      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854587-771d26ee31f7117b2b67e952;Parent=44dd38efd1050bc6;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 7605973575a3551426b82751020317de.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "TKVL_46TNryod7ighJXZFQThDOQs9ogtzil8L0tFoc3XqhAXvoDq-Q=="
-    }
-  },
-  "uuid" : "52b48d5e-745d-4b33-95d5-cb41a5f37e89",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-15",
-  "insertionIndex" : 60
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json
index 82a402e0..04042505 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json
@@ -1,5 +1,5 @@
 {
-  "id" : "d9587735-cdbe-40c6-9229-35614948a139",
+  "id" : "58442ed6-e0e3-485b-8c7b-203b5c55a196",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-d9587735-cdbe-40c6-9229-35614948a139.json",
+    "bodyFileName" : "api_apikey_login-58442ed6-e0e3-485b-8c7b-203b5c55a196.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:53 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:13 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "9318d33a-323a-4821-87ea-4a1ff6e48c76",
+      "x-amzn-RequestId" : "a08fe36a-a6a1-424f-8e2d-3ffca18d2da9",
       "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "69854579000000005e97a7cd35777346",
-      "x-amz-apigw-id" : "YVfK_HNNoAMEioQ=",
+      "x-bt-internal-trace-id" : "699542ac00000000542a4ca809e8a990",
+      "x-amz-apigw-id" : "Y9dbFEvbIAMEJsw=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854579-7c52e73201ea0b216fd460a5;Parent=64272c922d93622a;Sampled=0;Lineage=1:24be3d11:0",
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-  "uuid" : "d9587735-cdbe-40c6-9229-35614948a139",
+  "uuid" : "58442ed6-e0e3-485b-8c7b-203b5c55a196",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-8",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json
new file mode 100644
index 00000000..8a5b0001
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json
@@ -0,0 +1,35 @@
+{
+  "id" : "5910edf4-a608-4289-8d65-5384a9780f1d",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-5910edf4-a608-4289-8d65-5384a9780f1d.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:22 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "95010f91-2eaa-4d90-b175-7a041a1c3027",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b60000000060c3dc3925819012",
+      "x-amz-apigw-id" : "Y9dcjGuVIAMEK9A=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
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+    }
+  },
+  "uuid" : "5910edf4-a608-4289-8d65-5384a9780f1d",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-12",
+  "newScenarioState" : "scenario-2-api-apikey-login-13",
+  "insertionIndex" : 47
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json
new file mode 100644
index 00000000..823d34ad
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json
@@ -0,0 +1,35 @@
+{
+  "id" : "5c923f60-89d2-44b6-818b-ba8e2fb45a71",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-5c923f60-89d2-44b6-818b-ba8e2fb45a71.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:19 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "5daeed6b-f03d-44ff-9aef-009670dd8310",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b30000000034240f62cf525526",
+      "x-amz-apigw-id" : "Y9dcJHPgoAMEQqg=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
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+    }
+  },
+  "uuid" : "5c923f60-89d2-44b6-818b-ba8e2fb45a71",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-11",
+  "newScenarioState" : "scenario-2-api-apikey-login-12",
+  "insertionIndex" : 41
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json
new file mode 100644
index 00000000..50573f8d
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json
@@ -0,0 +1,35 @@
+{
+  "id" : "5f9132ca-50ea-4345-824b-5af81a9c338a",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-5f9132ca-50ea-4345-824b-5af81a9c338a.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:32 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "67f74217-b15d-4d5e-8b80-ca64903ab932",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542bf000000002163823965030b07",
+      "x-amz-apigw-id" : "Y9deDF87IAMEBpQ=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542bf-5e78ce8d1a762f6d553a582d;Parent=2a3a915b4fdca97b;Sampled=0;Lineage=1:24be3d11:0",
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+    }
+  },
+  "uuid" : "5f9132ca-50ea-4345-824b-5af81a9c338a",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-17",
+  "newScenarioState" : "scenario-2-api-apikey-login-18",
+  "insertionIndex" : 73
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json
deleted file mode 100644
index 16af8611..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "6285519c-5e1e-4d98-89c1-d9d26486eaa6",
-  "name" : "api_apikey_login",
-  "request" : {
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-    "method" : "POST"
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-  "response" : {
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-    "bodyFileName" : "api_apikey_login-6285519c-5e1e-4d98-89c1-d9d26486eaa6.json",
-    "headers" : {
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-      "Date" : "Fri, 06 Feb 2026 01:36:02 GMT",
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-  "uuid" : "6285519c-5e1e-4d98-89c1-d9d26486eaa6",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-13",
-  "newScenarioState" : "scenario-2-api-apikey-login-14",
-  "insertionIndex" : 48
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json
deleted file mode 100644
index 45ad2da5..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "64540e38-3e62-4149-a407-16b06e7a304d",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-64540e38-3e62-4149-a407-16b06e7a304d.json",
-    "headers" : {
-      "Content-Type" : "application/json; charset=utf-8",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:56 GMT",
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-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-10",
-  "newScenarioState" : "scenario-2-api-apikey-login-11",
-  "insertionIndex" : 32
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json
deleted file mode 100644
index 2429541a..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "646bf803-2721-42f2-b94a-2799cc16e6dc",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
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-  "response" : {
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-    "bodyFileName" : "api_apikey_login-646bf803-2721-42f2-b94a-2799cc16e6dc.json",
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-  "newScenarioState" : "scenario-2-api-apikey-login-2",
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\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json
deleted file mode 100644
index 2a6542d4..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "65c8a067-a552-4f06-9566-92e1de5ec860",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
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-    "bodyFileName" : "api_apikey_login-65c8a067-a552-4f06-9566-92e1de5ec860.json",
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-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-11",
-  "newScenarioState" : "scenario-2-api-apikey-login-12",
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\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json
new file mode 100644
index 00000000..890febdf
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json
@@ -0,0 +1,35 @@
+{
+  "id" : "78d97e11-3423-494b-91c7-81d793116fe3",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-78d97e11-3423-494b-91c7-81d793116fe3.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:39:57 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "ea538516-27f2-406f-af7c-4d9cc89caeb5",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "6995429d000000005bc4da777d9792bc",
+      "x-amz-apigw-id" : "Y9dYpEBJoAMEFEQ=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-6995429d-77f93b2d6853e4230010d8f0;Parent=1f0979c3884de8eb;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 487082619948f670d3b30fb3db8fbabc.cloudfront.net (CloudFront), 1.1 77f3c89ffd619275648d49ad13868570.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "80PBXRrEF-Mx3HPn5z20gMJVIcKjbBH4kTqXwZ63te9jSqnDDaDLsQ=="
+    }
+  },
+  "uuid" : "78d97e11-3423-494b-91c7-81d793116fe3",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "Started",
+  "newScenarioState" : "scenario-2-api-apikey-login-2",
+  "insertionIndex" : 2
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json
deleted file mode 100644
index fcfa873b..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "7c14b8f6-5ad3-440a-9bfb-b6876928954f",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-7c14b8f6-5ad3-440a-9bfb-b6876928954f.json",
-    "headers" : {
-      "Content-Type" : "application/json; charset=utf-8",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:55 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "28b4da67-df80-4ed0-8b93-8a7022e6f091",
-      "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "6985457b000000000e6fa1ee9447734b",
-      "x-amz-apigw-id" : "YVfLTE7HIAMET4g=",
-      "vary" : "Origin, Accept-Encoding",
-      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-6985457b-34ac9e1f799cf9cc7d2ce81f;Parent=31f8f1d1c46471ed;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 ec62626c4e205f1980b4ed65142b10d8.cloudfront.net (CloudFront), 1.1 566cc276dff9847158a5a9854be4df42.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "9wGwrGRiPe59IU0AaskSgJEwTlI-IGd46ZWUM1a-AEWUvpF9be7Nog=="
-    }
-  },
-  "uuid" : "7c14b8f6-5ad3-440a-9bfb-b6876928954f",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-9",
-  "newScenarioState" : "scenario-2-api-apikey-login-10",
-  "insertionIndex" : 29
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json
index 90860385..d0fae06d 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json
@@ -1,5 +1,5 @@
 {
-  "id" : "e6654591-b19b-43f7-a99b-d6d52749bb56",
+  "id" : "86c927ca-0eb0-477c-a414-36edd491f6a0",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-e6654591-b19b-43f7-a99b-d6d52749bb56.json",
+    "bodyFileName" : "api_apikey_login-86c927ca-0eb0-477c-a414-36edd491f6a0.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:49 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:09 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "51c28ae4-e139-4b2b-9c6a-f0c993580315",
+      "x-amzn-RequestId" : "4a7eb372-7dd2-4dcb-8dcd-5d35e48d0ff3",
       "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "698545750000000002a92d47b076037b",
-      "x-amz-apigw-id" : "YVfKWHFooAMEhew=",
+      "x-bt-internal-trace-id" : "699542a9000000007a73149e0f22b4e6",
+      "x-amz-apigw-id" : "Y9daeG-BoAMEtrA=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854575-335ffe5a3cf303fa505f818f;Parent=6339c3584f6d944c;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 0eb43913f9caf453beb959a8a836a688.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542a9-48d3323c2d0960eb501199b3;Parent=68a6f185030d2f72;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 b47176981720d8607d309e56e9510316.cloudfront.net (CloudFront), 1.1 82fa7f20ab5a12301da8e01f9493e222.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "5o-3d_KVsWQw9W15SAyQI8fGBPEMKehtkZyo6caOd7IDcXcY5e1hog=="
+      "X-Amz-Cf-Id" : "UxemHOXlgj5TmCylZZpjdwSXgE7aNkOfQBXW9gzxGX2GPotcuYHEpg=="
     }
   },
-  "uuid" : "e6654591-b19b-43f7-a99b-d6d52749bb56",
+  "uuid" : "86c927ca-0eb0-477c-a414-36edd491f6a0",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-5",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json
index 35a9ea17..cd69f89a 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json
@@ -1,5 +1,5 @@
 {
-  "id" : "11971758-b399-4b42-aa35-1f6a1045315e",
+  "id" : "a33eae16-fbef-42ea-944d-d04f32eb832f",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-11971758-b399-4b42-aa35-1f6a1045315e.json",
+    "bodyFileName" : "api_apikey_login-a33eae16-fbef-42ea-944d-d04f32eb832f.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:50 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:10 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "5bf5a0a1-c8a1-48ee-a5ee-a4536dca491b",
+      "x-amzn-RequestId" : "6ba976ba-267f-4f62-9e59-1191c2586d03",
       "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "698545760000000005245d4967872df1",
-      "x-amz-apigw-id" : "YVfKgER2IAMElhg=",
+      "x-bt-internal-trace-id" : "699542aa0000000061c4a01dadf9d2bf",
+      "x-amz-apigw-id" : "Y9daoFPhoAMEYRw=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854576-318c85645c94a2836b98978e;Parent=0ab56c0fb7ee0b3a;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 d118b2ea8414d381f46f91331ab67f02.cloudfront.net (CloudFront), 1.1 65f2e9f7f1475de54aa452d3ceb9bcf6.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542aa-0a4b08c574f9cd2c46d3d9e5;Parent=104cdf23b50ce05e;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 0eb43913f9caf453beb959a8a836a688.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "Q5xEIjzEAQkiNI08mmJEqMcTPGdjCKs3UuMWF-1OGnfPK1hYw46I4A=="
+      "X-Amz-Cf-Id" : "aDwgvVEXz7RZdMkeUTFsiu-FFRUB_4AgR_A-Ha045qlFd8zMMoNv2g=="
     }
   },
-  "uuid" : "11971758-b399-4b42-aa35-1f6a1045315e",
+  "uuid" : "a33eae16-fbef-42ea-944d-d04f32eb832f",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-6",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json
index b077f9de..fcfeb12b 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json
@@ -1,5 +1,5 @@
 {
-  "id" : "3e789743-f876-49db-accb-5d66f448d423",
+  "id" : "b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-3e789743-f876-49db-accb-5d66f448d423.json",
+    "bodyFileName" : "api_apikey_login-b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:43 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:01 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "fbfed5ad-7b68-4293-9b3b-1b233d49d0c6",
+      "x-amzn-RequestId" : "9f4ec7c8-3b5c-4d1d-a1e1-36ddd8afe619",
       "x-amzn-Remapped-content-length" : "395",
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-      "x-amz-apigw-id" : "YVfJiF5aIAMEaOQ=",
+      "x-bt-internal-trace-id" : "699542a1000000002f9970e2abcdd19d",
+      "x-amz-apigw-id" : "Y9dZPEsMoAMEFrg=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
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-      "X-Amz-Cf-Id" : "S2YTk7HFs8DThwDDCLf8N6UACDjwZsoecIiCaadbKTOpIb7lARXx8w=="
+      "X-Amz-Cf-Id" : "PM37rITPnjsQwvHA88VjvR9899mGBZSWrVwH4i1BF0thSHQAeo7VPg=="
     }
   },
-  "uuid" : "3e789743-f876-49db-accb-5d66f448d423",
+  "uuid" : "b4f0cd8f-2dd3-4444-a4fb-f51c3887a2bc",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-3",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json
deleted file mode 100644
index cc4491b3..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c.json",
-    "headers" : {
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-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:00 GMT",
-      "access-control-allow-credentials" : "true",
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-      "x-bt-internal-trace-id" : "69854580000000001c445064e27049e6",
-      "x-amz-apigw-id" : "YVfMLEI1IAMEH4w=",
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-  },
-  "uuid" : "bb18f760-a4c7-4a38-ae54-7e1adf5bfd1c",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-12",
-  "newScenarioState" : "scenario-2-api-apikey-login-13",
-  "insertionIndex" : 43
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json
deleted file mode 100644
index 84ac500e..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "cbc16542-5f4b-4692-b2b1-9a37e222f8ec",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-cbc16542-5f4b-4692-b2b1-9a37e222f8ec.json",
-    "headers" : {
-      "Content-Type" : "application/json; charset=utf-8",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:51 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "2bfef43d-d38b-4dd8-a12a-c880583dc785",
-      "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "698545770000000031a84a49744bfbda",
-      "x-amz-apigw-id" : "YVfKyHg2IAMEU8w=",
-      "vary" : "Origin, Accept-Encoding",
-      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854577-3b1acf99332ce0ee4f966c16;Parent=51e59fdd247cd7cb;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 b7d7903ada432685f0e90f0ca261d864.cloudfront.net (CloudFront), 1.1 0eb43913f9caf453beb959a8a836a688.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "sQnznrARMVv9isHlG89fVn59e-oan5FyLu3zwTlfZO5LFx6Yjf5FwQ=="
-    }
-  },
-  "uuid" : "cbc16542-5f4b-4692-b2b1-9a37e222f8ec",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-7",
-  "newScenarioState" : "scenario-2-api-apikey-login-8",
-  "insertionIndex" : 22
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json
new file mode 100644
index 00000000..052ddf0d
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json
@@ -0,0 +1,35 @@
+{
+  "id" : "cef05e0a-0807-4815-8116-f141ba84eaba",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-cef05e0a-0807-4815-8116-f141ba84eaba.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:26 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "68127b88-135a-4ff8-9ccf-31aee9633ab1",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542ba0000000026ff82903aed76a4",
+      "x-amz-apigw-id" : "Y9ddQGYrIAMEITA=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542ba-2fbd9a4e0fdea0626dbe56db;Parent=24c92a7c3145a810;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 20b3731a0ef4aba3db1fcd63c3ef2b2a.cloudfront.net (CloudFront), 1.1 77f3c89ffd619275648d49ad13868570.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "yWDo7yvism3h8JADbA2xWAjz0rhmJau-ZkvRMaN-WCajlSAQ0MfWLA=="
+    }
+  },
+  "uuid" : "cef05e0a-0807-4815-8116-f141ba84eaba",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-15",
+  "newScenarioState" : "scenario-2-api-apikey-login-16",
+  "insertionIndex" : 61
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json
index 6da8f8fe..a6b9cb00 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json
@@ -1,5 +1,5 @@
 {
-  "id" : "e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127",
+  "id" : "d192f441-cfe8-43ad-abd5-3af4a27e900d",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127.json",
+    "bodyFileName" : "api_apikey_login-d192f441-cfe8-43ad-abd5-3af4a27e900d.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:44 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:01 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "06da9fd3-a78f-480e-b8ec-2911275945a4",
+      "x-amzn-RequestId" : "43f7f123-d027-4035-add8-dbe9819e246c",
       "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "698545700000000012d06793a918946c",
-      "x-amz-apigw-id" : "YVfJrHryIAMEnbQ=",
+      "x-bt-internal-trace-id" : "699542a1000000002d1929db9f978918",
+      "x-amz-apigw-id" : "Y9dZXH4LoAMEkfw=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854570-7cfe332050d64ab23b2a7e99;Parent=7093fa864c06b1bc;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 d08613e1dd8ad614e47875ae31a8af20.cloudfront.net (CloudFront), 1.1 a40ac7dad0e348fc93799233c9af5960.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542a1-3f458dd4093d59ef4d5f582a;Parent=5873f15a30c0b1ae;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 b47176981720d8607d309e56e9510316.cloudfront.net (CloudFront), 1.1 ee5f8da78d4211a93c9dba8864a4067e.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "5CC-pbR6u0CqkJ4Pc6Kxc1z9O2xN6N4-6St_MICeSZj7T7OC37UZ9w=="
+      "X-Amz-Cf-Id" : "nF2XWAUUg8U73gtUYs0plv1tkZVv0GSjFklniNyh8GAt2bRncjOMCQ=="
     }
   },
-  "uuid" : "e0d8e8a1-ce3e-4f6d-88f1-1d4a6e23c127",
+  "uuid" : "d192f441-cfe8-43ad-abd5-3af4a27e900d",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-4",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json
deleted file mode 100644
index b38f181e..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "id" : "d28762a6-d6bd-4f64-83ff-77fb01b9eec6",
-  "name" : "api_apikey_login",
-  "request" : {
-    "url" : "/api/apikey/login",
-    "method" : "POST"
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "api_apikey_login-d28762a6-d6bd-4f64-83ff-77fb01b9eec6.json",
-    "headers" : {
-      "Content-Type" : "application/json; charset=utf-8",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:05 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "76a51a93-90bc-4ee2-8002-713b2e9be38b",
-      "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "6985458500000000190874852faa6562",
-      "x-amz-apigw-id" : "YVfM8Gp6oAMERcA=",
-      "vary" : "Origin, Accept-Encoding",
-      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854585-2a7900866ea960925acc4336;Parent=0c5b9acb7a7196b2;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 2be627c4e85d6d9d9e32a7523e1b67ee.cloudfront.net (CloudFront), 1.1 83d24992402f7b214901ab76fbdc11e2.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "haFOkQn8kp3a_6FVwEDQyPIWsUAsT7M2RzC6O4fApHoyUdU6FzsTxQ=="
-    }
-  },
-  "uuid" : "d28762a6-d6bd-4f64-83ff-77fb01b9eec6",
-  "persistent" : true,
-  "scenarioName" : "scenario-2-api-apikey-login",
-  "requiredScenarioState" : "scenario-2-api-apikey-login-14",
-  "newScenarioState" : "scenario-2-api-apikey-login-15",
-  "insertionIndex" : 55
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json
new file mode 100644
index 00000000..a01c4f6f
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json
@@ -0,0 +1,34 @@
+{
+  "id" : "e30e147a-6f0c-4db7-8ee3-19ef62635170",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-e30e147a-6f0c-4db7-8ee3-19ef62635170.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:33 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "bbc7c2c4-26d9-4986-8c78-e575ebb823af",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542c100000000510600c9aac9937e",
+      "x-amz-apigw-id" : "Y9deUHLSoAMEhqQ=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542c1-0e1904593662be81644f4545;Parent=47baf60dd662ca6f;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 a642518ef4d5fb78c3190de112922a38.cloudfront.net (CloudFront), 1.1 87247d9a9b2f9e51b0c72b364948aefa.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "W9-qvSpKgRQkpTZhOBP4kcLmQtXqihMJCuiBKI-rtRZkJ_Ylkv57hA=="
+    }
+  },
+  "uuid" : "e30e147a-6f0c-4db7-8ee3-19ef62635170",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-18",
+  "insertionIndex" : 78
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json
new file mode 100644
index 00000000..de3960bc
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json
@@ -0,0 +1,35 @@
+{
+  "id" : "e973a44f-f483-47eb-a02c-396b8375ac67",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-e973a44f-f483-47eb-a02c-396b8375ac67.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:11 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "ea884303-5ce9-4875-8d38-b1d0f8808c3d",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542ab000000004063fbc901a804f6",
+      "x-amz-apigw-id" : "Y9da1FAMoAMEEoA=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542ab-5bb6ffa81b2a6c39507fda3b;Parent=41c5e9051a4cb98f;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 a642518ef4d5fb78c3190de112922a38.cloudfront.net (CloudFront), 1.1 ee5f8da78d4211a93c9dba8864a4067e.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "kfbL-H8Y6kfUVc7Sp8KuTGFGfUaLyVcDCb-KG0xiG9JIE9L6ucqLzA=="
+    }
+  },
+  "uuid" : "e973a44f-f483-47eb-a02c-396b8375ac67",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-7",
+  "newScenarioState" : "scenario-2-api-apikey-login-8",
+  "insertionIndex" : 21
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json
new file mode 100644
index 00000000..31e8e0ce
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json
@@ -0,0 +1,35 @@
+{
+  "id" : "ee32a465-92b2-4387-a646-f94dba3daa51",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-ee32a465-92b2-4387-a646-f94dba3daa51.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:23 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "90141f70-5885-4053-a860-7cff094dd5e4",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b70000000042e8133a7aaaffec",
+      "x-amz-apigw-id" : "Y9dcsEqSoAMEO1w=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b7-063815e5577cf81f049cf645;Parent=49e5c9d3a5106ffe;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 2582fcc2e5a8f93a556ac3ef26738abc.cloudfront.net (CloudFront), 1.1 7605973575a3551426b82751020317de.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "Dt5BHIC_S8XvylFRJyUY2W6G-qhId678uPKpsTI4bEZCWdB7StEZlw=="
+    }
+  },
+  "uuid" : "ee32a465-92b2-4387-a646-f94dba3daa51",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-13",
+  "newScenarioState" : "scenario-2-api-apikey-login-14",
+  "insertionIndex" : 50
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json
similarity index 50%
rename from src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json
rename to src/test/resources/cassettes/braintrust/mappings/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json
index 35db78ba..73e94b7b 100644
--- a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json
@@ -1,5 +1,5 @@
 {
-  "id" : "4cb203be-bdee-461f-b8a3-e32ab3ea6bce",
+  "id" : "f418723c-b6ef-4837-bdbf-90f6043ee136",
   "name" : "api_apikey_login",
   "request" : {
     "url" : "/api/apikey/login",
@@ -7,26 +7,26 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "api_apikey_login-4cb203be-bdee-461f-b8a3-e32ab3ea6bce.json",
+    "bodyFileName" : "api_apikey_login-f418723c-b6ef-4837-bdbf-90f6043ee136.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:42 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:39:59 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "546d199b-57a8-40ce-911d-b1c67681df2f",
+      "x-amzn-RequestId" : "7c3f3d9c-7248-4610-8bb2-380ac08fd056",
       "x-amzn-Remapped-content-length" : "395",
-      "x-bt-internal-trace-id" : "6985456e000000006786b95725747c19",
-      "x-amz-apigw-id" : "YVfJVFinoAMEXTA=",
+      "x-bt-internal-trace-id" : "6995429f0000000008724ad98658433d",
+      "x-amz-apigw-id" : "Y9dZBFpOIAMEdVA=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-6985456e-4bfe6df130dc6c733c5b5d1b;Parent=6552a03360772639;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 9257f9c4051fe8bd6cc4a09855b66350.cloudfront.net (CloudFront), 1.1 0df7f27a01014ab815259ca2d88193c6.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-6995429f-4a04923732565baf72588c90;Parent=2812f5abcb0d1f66;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 7fcfc911845f681c235b0b3f32f3e1c6.cloudfront.net (CloudFront), 1.1 da32b45f2cc22dc818960285c4e91b66.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "x_djncoR_YXe262GzZQ9ZTpqPej1QaN8nPCs5MuqaPVLm8Eq7cYjnQ=="
+      "X-Amz-Cf-Id" : "7uMlyHPcwnUkB12xFBRB_xi6kdUlcTh9JjCNtynvjT0tkvYWkDxiOQ=="
     }
   },
-  "uuid" : "4cb203be-bdee-461f-b8a3-e32ab3ea6bce",
+  "uuid" : "f418723c-b6ef-4837-bdbf-90f6043ee136",
   "persistent" : true,
   "scenarioName" : "scenario-2-api-apikey-login",
   "requiredScenarioState" : "scenario-2-api-apikey-login-2",
diff --git a/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json
new file mode 100644
index 00000000..30ef637a
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json
@@ -0,0 +1,35 @@
+{
+  "id" : "fccae6f0-3326-46f0-911e-32d047e6bb32",
+  "name" : "api_apikey_login",
+  "request" : {
+    "url" : "/api/apikey/login",
+    "method" : "POST"
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "api_apikey_login-fccae6f0-3326-46f0-911e-32d047e6bb32.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:25 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "c55cb6a8-a53f-4258-a815-40a12e040937",
+      "x-amzn-Remapped-content-length" : "395",
+      "x-bt-internal-trace-id" : "699542b80000000013491ec4bc96f201",
+      "x-amz-apigw-id" : "Y9dc9E8noAMEtNA=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"18b-OPCBBHzVVuCPaglXVbFjmsFzOoE\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b8-0157a0421841ffa940f856dc;Parent=1d275ce5e058b6c7;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "-0JJqJAjzJ9PDTV0SYMgMjGKx5yIDe3ko2CZVq6iHx5nfnG6qO5V7w=="
+    }
+  },
+  "uuid" : "fccae6f0-3326-46f0-911e-32d047e6bb32",
+  "persistent" : true,
+  "scenarioName" : "scenario-2-api-apikey-login",
+  "requiredScenarioState" : "scenario-2-api-apikey-login-14",
+  "newScenarioState" : "scenario-2-api-apikey-login-15",
+  "insertionIndex" : 56
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json b/src/test/resources/cassettes/braintrust/mappings/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json
new file mode 100644
index 00000000..9a328034
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json
@@ -0,0 +1,43 @@
+{
+  "id" : "d59229ba-ade8-4d01-944a-e6887e5f65c1",
+  "name" : "btql",
+  "request" : {
+    "url" : "/btql",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/json"
+      }
+    },
+    "bodyPatterns" : [ {
+      "equalToJson" : "{\"query\":\"select: span_id, span_parents, root_span_id, name | from: project_logs('6ae68365-7620-4630-921b-bac416634fc8') | filter: root_span_id = '2ec27862bd1783c1e29905fff970fbb4'\"}",
+      "ignoreArrayOrder" : true,
+      "ignoreExtraElements" : false
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "btql-d59229ba-ade8-4d01-944a-e6887e5f65c1.json",
+    "headers" : {
+      "Content-Type" : "application/json",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:30 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "e3411bc4-0182-494e-92cf-22ee89a4c436",
+      "x-bt-brainstore-duration-ms" : "109",
+      "x-bt-api-duration-ms" : "206",
+      "x-bt-internal-trace-id" : "699542be0000000009eb152e4f00a4e6",
+      "x-amz-apigw-id" : "Y9dd0F24IAMEqjA=",
+      "vary" : "Origin",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542be-1281a9892f4420d279bc94c1;Parent=312dd7c08b6e3f26;Sampled=0;Lineage=1:24be3d11:0",
+      "x-bt-cursor" : "aZVCvcZdAAA",
+      "Via" : "1.1 b47176981720d8607d309e56e9510316.cloudfront.net (CloudFront), 1.1 b669d9add7767f73665f1f8b7e8cd802.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "IjfHSOrwSz-mAWDgbU4ig0w19tvDVIG6d4sj17P1x9c6LOZ1vXrDxg=="
+    }
+  },
+  "uuid" : "d59229ba-ade8-4d01-944a-e6887e5f65c1",
+  "persistent" : true,
+  "insertionIndex" : 69
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json b/src/test/resources/cassettes/braintrust/mappings/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json
deleted file mode 100644
index 279fe55d..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/btql-dccd0ad6-24cd-47f0-abae-13397043c376.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  "id" : "dccd0ad6-24cd-47f0-abae-13397043c376",
-  "name" : "btql",
-  "request" : {
-    "url" : "/btql",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/json"
-      }
-    },
-    "bodyPatterns" : [ {
-      "equalToJson" : "{\"query\":\"select: span_id, span_parents, root_span_id, name | from: project_logs('6ae68365-7620-4630-921b-bac416634fc8') | filter: root_span_id = '1ac0a409fabeeef1bbee8c5b89d20f78'\"}",
-      "ignoreArrayOrder" : true,
-      "ignoreExtraElements" : false
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "bodyFileName" : "btql-dccd0ad6-24cd-47f0-abae-13397043c376.json",
-    "headers" : {
-      "Content-Type" : "application/json",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:04 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "88703b45-8d86-4882-bb73-6aeada647f65",
-      "x-bt-internal-trace-id" : "69854584000000004772218ee2a9dbae",
-      "x-amz-apigw-id" : "YVfMvFPKoAMEkLQ=",
-      "vary" : "Origin",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854584-2a00829743b37e1c4ea76af4;Parent=39cd1e3a31eb153f;Sampled=0;Lineage=1:24be3d11:0",
-      "x-bt-cursor" : "aYVFg6mfAAA",
-      "Via" : "1.1 ec62626c4e205f1980b4ed65142b10d8.cloudfront.net (CloudFront), 1.1 b3ccaedda78c63d5967b57382ceb4cbe.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "xUZYie-ylHvH0tT-ADS2nEsYf_cGKv862v5jEvLASsLFq0jhi_5pnQ=="
-    }
-  },
-  "uuid" : "dccd0ad6-24cd-47f0-abae-13397043c376",
-  "persistent" : true,
-  "insertionIndex" : 51
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json b/src/test/resources/cassettes/braintrust/mappings/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json
new file mode 100644
index 00000000..d8915a44
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json
@@ -0,0 +1,42 @@
+{
+  "id" : "e0031187-e82b-49b9-baa0-84f7fb403bfc",
+  "name" : "btql",
+  "request" : {
+    "url" : "/btql",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/json"
+      }
+    },
+    "bodyPatterns" : [ {
+      "equalToJson" : "{\"query\":\"SELECT max(_xact_id) as version FROM dataset('0855b29c-69ba-4f98-9154-61a40334a492')\"}",
+      "ignoreArrayOrder" : true,
+      "ignoreExtraElements" : false
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "btql-e0031187-e82b-49b9-baa0-84f7fb403bfc.json",
+    "headers" : {
+      "Content-Type" : "application/json",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:13 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "c117b6c9-08a7-47bb-8bed-3f3d86a58ef7",
+      "x-bt-brainstore-duration-ms" : "84",
+      "x-bt-api-duration-ms" : "92",
+      "x-bt-internal-trace-id" : "699542ad0000000059f6a241fdd288e1",
+      "x-amz-apigw-id" : "Y9dbKGM5oAMEotg=",
+      "vary" : "Origin",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542ad-65c89975544b901b44c7b692;Parent=067cf530ae3c8a9e;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 487082619948f670d3b30fb3db8fbabc.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "wHHtK5Pf3lmfFnB3UbD3HPodMRicfVMBJeLA5bc7-02Rlwh9Q4MLSA=="
+    }
+  },
+  "uuid" : "e0031187-e82b-49b9-baa0-84f7fb403bfc",
+  "persistent" : true,
+  "insertionIndex" : 26
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-03141749-982b-4f0a-83b5-e40fae1ba250.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-03141749-982b-4f0a-83b5-e40fae1ba250.json
deleted file mode 100644
index 5328a5e8..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-03141749-982b-4f0a-83b5-e40fae1ba250.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "03141749-982b-4f0a-83b5-e40fae1ba250",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
-      "binaryEqualTo" : "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"
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
-      "Content-Type" : "application/x-protobuf",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:10 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "58c0a93c-16a4-4401-b5a3-b5be11d0d11b",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985458a000000000c93b3d04bc38175",
-      "x-amz-apigw-id" : "YVfNpHBPoAMEX8w=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
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-  },
-  "uuid" : "03141749-982b-4f0a-83b5-e40fae1ba250",
-  "persistent" : true,
-  "insertionIndex" : 62
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-07552bc5-ffac-4b9a-8f5b-7895bb1b5903.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-07552bc5-ffac-4b9a-8f5b-7895bb1b5903.json
deleted file mode 100644
index a6a20db7..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-07552bc5-ffac-4b9a-8f5b-7895bb1b5903.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "07552bc5-ffac-4b9a-8f5b-7895bb1b5903",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
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-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
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-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:56 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "796c2dfc-2fcf-42e5-86f2-f7133c93b2e8",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985457c000000003f244e0d9f27e18a",
-      "x-amz-apigw-id" : "YVfLhEUEIAMENeQ=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-6985457c-71be36ee4b6b32db50eb9c06;Parent=019ef786015b7272;Sampled=0;Lineage=1:24be3d11:0",
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-  },
-  "uuid" : "07552bc5-ffac-4b9a-8f5b-7895bb1b5903",
-  "persistent" : true,
-  "insertionIndex" : 33
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-112257d7-66a5-45f4-a8dd-ad9be4ad5b4b.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-112257d7-66a5-45f4-a8dd-ad9be4ad5b4b.json
deleted file mode 100644
index 7e85bfee..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-112257d7-66a5-45f4-a8dd-ad9be4ad5b4b.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "112257d7-66a5-45f4-a8dd-ad9be4ad5b4b",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
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-    "headers" : {
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-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854579-44dbc9ba019de27567d1ee15;Parent=15715b12c1abc90a;Sampled=0;Lineage=1:24be3d11:0",
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-  },
-  "uuid" : "112257d7-66a5-45f4-a8dd-ad9be4ad5b4b",
-  "persistent" : true,
-  "insertionIndex" : 26
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-13d1ba23-109f-4f3a-87cc-ed90159a1abf.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-13d1ba23-109f-4f3a-87cc-ed90159a1abf.json
new file mode 100644
index 00000000..f1c884e0
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-13d1ba23-109f-4f3a-87cc-ed90159a1abf.json
@@ -0,0 +1,39 @@
+{
+  "id" : "13d1ba23-109f-4f3a-87cc-ed90159a1abf",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
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+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:15 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "03aa6954-7c4f-47c6-8654-2efba31532c1",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542af000000004d24077d8ce13ff3",
+      "x-amz-apigw-id" : "Y9dbbEXZoAMEItw=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542af-6a013d0b3c32e9b71e050da1;Parent=4abddd1f9f3f1a95;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 a642518ef4d5fb78c3190de112922a38.cloudfront.net (CloudFront), 1.1 f8731007efc5ab360d90cee573a1e916.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "Jl0yAFCZ7lR5VzzMXM9HK0RdbKoupdk1RvRpfIIDHj2B9jOqQ_P_Vg=="
+    }
+  },
+  "uuid" : "13d1ba23-109f-4f3a-87cc-ed90159a1abf",
+  "persistent" : true,
+  "insertionIndex" : 30
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-18bd5557-7c47-472a-a5e4-fd583b76211d.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-18bd5557-7c47-472a-a5e4-fd583b76211d.json
new file mode 100644
index 00000000..e05a5c15
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-18bd5557-7c47-472a-a5e4-fd583b76211d.json
@@ -0,0 +1,39 @@
+{
+  "id" : "18bd5557-7c47-472a-a5e4-fd583b76211d",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
+      "binaryEqualTo" : "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"
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:47 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "c837937d-423c-47d2-a634-6bcb5a1774f1",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542cf000000005c91ec98c3dc0779",
+      "x-amz-apigw-id" : "Y9dghFjzIAMETlA=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542cf-55138bd9274c3e4a19179278;Parent=387ef2181ac98165;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 a642518ef4d5fb78c3190de112922a38.cloudfront.net (CloudFront), 1.1 7605973575a3551426b82751020317de.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "fiQ_5Mn2p4QhNHzAWkp11DtXOwVl8mCiKoIvhl3ggKO_Xi4fDsnWbQ=="
+    }
+  },
+  "uuid" : "18bd5557-7c47-472a-a5e4-fd583b76211d",
+  "persistent" : true,
+  "insertionIndex" : 87
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1a4a4881-b584-446c-a7ca-9fe1d3673751.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1a4a4881-b584-446c-a7ca-9fe1d3673751.json
deleted file mode 100644
index ea7278fa..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1a4a4881-b584-446c-a7ca-9fe1d3673751.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "1a4a4881-b584-446c-a7ca-9fe1d3673751",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
-      "binaryEqualTo" : "CucGCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjMtYTQ5ODFmMS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRKpBQomCg9icmFpbnRydXN0LWphdmESEzAuMi4zLWE0OTgxZjEtRElSVFkS/gQKEApGaSc2v+XOhcQDunLvwmkSCCbiv4huXARtKg9DaGF0IENvbXBsZXRpb24wAznObea9d4SRGEFZOAXqd4SRGEpXChVicmFpbnRydXN0LmlucHV0X2pzb24SPgo8W3sicm9sZSI6InVzZXIiLCJjb250ZW50IjoiV2hhdCBpcyB0aGUgY2FwaXRhbCBvZiBGcmFuY2U/In1dSnAKEmJyYWludHJ1c3QubWV0cmljcxJaClh7ImNvbXBsZXRpb25fdG9rZW5zIjo3LCJwcm9tcHRfdG9rZW5zIjoxNCwidG9rZW5zIjoyMSwidGltZV90b19maXJzdF90b2tlbiI6MC43Mzk1MzAwNTd9SjIKEWJyYWludHJ1c3QucGFyZW50Eh0KG3Byb2plY3RfbmFtZTpqYXZhLXVuaXQtdGVzdEouChpicmFpbnRydXN0LnNwYW5fYXR0cmlidXRlcxIQCg57InR5cGUiOiJsbG0ifUq9AQoWYnJhaW50cnVzdC5vdXRwdXRfanNvbhKiAQqfAVt7ImluZGV4IjowLCJtZXNzYWdlIjp7InJvbGUiOiJhc3Npc3RhbnQiLCJjb250ZW50IjoiVGhlIGNhcGl0YWwgb2YgRnJhbmNlIGlzIFBhcmlzLiIsInJlZnVzYWwiOm51bGwsImFubm90YXRpb25zIjpbXX0sImxvZ3Byb2JzIjpudWxsLCJmaW5pc2hfcmVhc29uIjoic3RvcCJ9XUpEChNicmFpbnRydXN0Lm1ldGFkYXRhEi0KK3sicHJvdmlkZXIiOiJvcGVuYWkiLCJtb2RlbCI6ImdwdC00by1taW5pIn16AIUBAQEAAA=="
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
-      "Content-Type" : "application/x-protobuf",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:19 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "24dfa7cb-74d4-4d51-aa3e-086d81534e0d",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985459300000000760d661befd9135b",
-      "x-amz-apigw-id" : "YVfPFH81IAMEugw=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854593-05311c8b1809438f2f1df7a6;Parent=2ab68df5d50437a8;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 b7d7903ada432685f0e90f0ca261d864.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
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-      "X-Amz-Cf-Id" : "2ruSZo3OsUKO9R-RATG6wgYo4WV75Czo0JMDTEQTBOTOfR74ObsaCw=="
-    }
-  },
-  "uuid" : "1a4a4881-b584-446c-a7ca-9fe1d3673751",
-  "persistent" : true,
-  "insertionIndex" : 66
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1f261235-ead4-4033-a4a3-e06231b892c4.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1f261235-ead4-4033-a4a3-e06231b892c4.json
deleted file mode 100644
index f71d62e8..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-1f261235-ead4-4033-a4a3-e06231b892c4.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "1f261235-ead4-4033-a4a3-e06231b892c4",
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+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:36 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "300adcae-2f9b-479e-9817-272ed2bd60cf",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542c4000000007af58736bb118ed8",
+      "x-amz-apigw-id" : "Y9deuE_QoAMEgIg=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542c4-531616c9426f2641392d5208;Parent=2d9fb69c505e3a1b;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 20b3731a0ef4aba3db1fcd63c3ef2b2a.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
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+      "X-Amz-Cf-Id" : "4-5lugoU51v2Cvk9WQikEimJfd3gy9Ao-jBIUok4t6zURKx1hIBITA=="
+    }
+  },
+  "uuid" : "255375f4-8cc6-454d-beec-28461fcb2681",
+  "persistent" : true,
+  "insertionIndex" : 80
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json
deleted file mode 100644
index ee2ab9f1..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-28d2f7b3-b25e-4913-ba26-99594c22406c.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
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-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
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-    "headers" : {
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-      "etag" : "W/\"13b-SzMrFFSLV7E8kU6l6A57Aoq5AZ4\"",
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-  "persistent" : true,
-  "insertionIndex" : 74
-}
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-2dec1760-a721-4106-9d14-c82a2bf5a247.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-2dec1760-a721-4106-9d14-c82a2bf5a247.json
new file mode 100644
index 00000000..4fe18b94
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-2dec1760-a721-4106-9d14-c82a2bf5a247.json
@@ -0,0 +1,39 @@
+{
+  "id" : "2dec1760-a721-4106-9d14-c82a2bf5a247",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
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+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:41 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "f2113abe-7930-4297-8b4b-3f1e5312045b",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542c900000000099a58d929f7972b",
+      "x-amz-apigw-id" : "Y9dfhHugIAMEf9w=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542c9-32ef1aff2b7a9d8026b2737f;Parent=7362be97d2cbbf42;Sampled=0;Lineage=1:24be3d11:0",
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+      "X-Amz-Cf-Id" : "brIwuVKyQiHwMCKK59IGDS_sVh8ShRUJEPl6SRBAuBgnTInnaPrkpw=="
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+  },
+  "uuid" : "2dec1760-a721-4106-9d14-c82a2bf5a247",
+  "persistent" : true,
+  "insertionIndex" : 83
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317cd72e-bec9-4bbf-b71c-c257a42eb05b.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317cd72e-bec9-4bbf-b71c-c257a42eb05b.json
deleted file mode 100644
index 1c6b4c0b..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317cd72e-bec9-4bbf-b71c-c257a42eb05b.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
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-  "request" : {
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-    "headers" : {
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317f89cb-83bd-4300-b32b-a6cf5021633a.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317f89cb-83bd-4300-b32b-a6cf5021633a.json
deleted file mode 100644
index 7eaf6cc5..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-317f89cb-83bd-4300-b32b-a6cf5021633a.json
+++ /dev/null
@@ -1,39 +0,0 @@
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-35b91965-b0a2-4838-81a3-87cea4a1ed1f.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-35b91965-b0a2-4838-81a3-87cea4a1ed1f.json
new file mode 100644
index 00000000..c5a2ae18
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-35b91965-b0a2-4838-81a3-87cea4a1ed1f.json
@@ -0,0 +1,39 @@
+{
+  "id" : "35b91965-b0a2-4838-81a3-87cea4a1ed1f",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3753cee9-b3b0-40af-8b3d-f206a25800db.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3753cee9-b3b0-40af-8b3d-f206a25800db.json
new file mode 100644
index 00000000..34383d3b
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3753cee9-b3b0-40af-8b3d-f206a25800db.json
@@ -0,0 +1,39 @@
+{
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+  "name" : "otel_v1_traces",
+  "request" : {
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+    "method" : "POST",
+    "headers" : {
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+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-38615aec-0fce-488c-b534-6d40c9a3ee2a.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-38615aec-0fce-488c-b534-6d40c9a3ee2a.json
new file mode 100644
index 00000000..24de09e7
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-38615aec-0fce-488c-b534-6d40c9a3ee2a.json
@@ -0,0 +1,39 @@
+{
+  "id" : "38615aec-0fce-488c-b534-6d40c9a3ee2a",
+  "name" : "otel_v1_traces",
+  "request" : {
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+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
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+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
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+}
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3ad12e86-ac67-4ee1-b11b-d65857c18915.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3ad12e86-ac67-4ee1-b11b-d65857c18915.json
deleted file mode 100644
index 0a52fcca..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3ad12e86-ac67-4ee1-b11b-d65857c18915.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "3ad12e86-ac67-4ee1-b11b-d65857c18915",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
-      "binaryEqualTo" : "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"
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
-      "Content-Type" : "application/x-protobuf",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:12 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "6793cbf7-ff10-431f-9326-ed5f2576a3cc",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985458b0000000068c202040adfe1ee",
-      "x-amz-apigw-id" : "YVfN6H4EoAMEQaw=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-6985458b-16d829074e463db66cb5a2df;Parent=3c231cf5bc42b26d;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 c9f68a0c96944962731456040c591f26.cloudfront.net (CloudFront), 1.1 0df7f27a01014ab815259ca2d88193c6.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "x3f1zCLib4aum4sYtd7ZvPK95f1YCmGBbAoNmfNl91qLeqozdzGBSg=="
-    }
-  },
-  "uuid" : "3ad12e86-ac67-4ee1-b11b-d65857c18915",
-  "persistent" : true,
-  "insertionIndex" : 63
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6a99c430-7a23-4cbe-b1fc-7ae8c894c3d8.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3cd188db-8673-4dc0-988e-78c05c0923d4.json
similarity index 52%
rename from src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6a99c430-7a23-4cbe-b1fc-7ae8c894c3d8.json
rename to src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3cd188db-8673-4dc0-988e-78c05c0923d4.json
index abbc0cdb..963e8161 100644
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6a99c430-7a23-4cbe-b1fc-7ae8c894c3d8.json
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3cd188db-8673-4dc0-988e-78c05c0923d4.json
@@ -1,5 +1,5 @@
 {
-  "id" : "6a99c430-7a23-4cbe-b1fc-7ae8c894c3d8",
+  "id" : "3cd188db-8673-4dc0-988e-78c05c0923d4",
   "name" : "otel_v1_traces",
   "request" : {
     "url" : "/otel/v1/traces",
@@ -10,7 +10,7 @@
       }
     },
     "bodyPatterns" : [ {
-      "binaryEqualTo" : "CuYCCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjMtYTQ5ODFmMS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRKoAQoWChRzb21lLWluc3RydW1lbnRhdGlvbhKNAQoQBb8kvKw7EcZxmDgzZpiGFxIIVvd1WcZwA1MqDnVuaXQtdGVzdC1yb290MAE5eOwezHiEkRhBhRYgzHiEkRhKDwoJdW5pdC10ZXN0EgIQAUoyChFicmFpbnRydXN0LnBhcmVudBIdChtwcm9qZWN0X25hbWU6amF2YS11bml0LXRlc3R6AIUBAQEAAA=="
+      "binaryEqualTo" : "CuYCCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjUtYTY4ZGM5YS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRKoAQoWChRzb21lLWluc3RydW1lbnRhdGlvbhKNAQoQ98cvMU657xHc8N5oqbkgwRII34QVrhau8O0qDnVuaXQtdGVzdC1yb290MAE5GBw+X4A9lRhBTHI/X4A9lRhKDwoJdW5pdC10ZXN0EgIQAUoyChFicmFpbnRydXN0LnBhcmVudBIdChtwcm9qZWN0X25hbWU6amF2YS11bml0LXRlc3R6AIUBAQEAAA=="
     } ]
   },
   "response" : {
@@ -18,22 +18,22 @@
     "headers" : {
       "Content-Type" : "application/x-protobuf",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:23 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:50 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "ccd9bf78-925b-4a68-97fd-71d3b3adf721",
+      "x-amzn-RequestId" : "83470918-3160-4e5e-96a8-818c3916a63c",
       "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "69854597000000004c29fe06e0febdc4",
-      "x-amz-apigw-id" : "YVfPqG4noAMEMSQ=",
+      "x-bt-internal-trace-id" : "699542d2000000007e05bacedb2b14b6",
+      "x-amz-apigw-id" : "Y9dg3GoToAMEKXA=",
       "vary" : "Origin",
       "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854597-249a4c1e7c6cbbec33bfda95;Parent=25677b44aaa23490;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 2be627c4e85d6d9d9e32a7523e1b67ee.cloudfront.net (CloudFront), 1.1 da32b45f2cc22dc818960285c4e91b66.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542d1-1390c82b19ca3a2427a7684d;Parent=69295f7e86d9e5e1;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 7fcfc911845f681c235b0b3f32f3e1c6.cloudfront.net (CloudFront), 1.1 77f3c89ffd619275648d49ad13868570.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "X7keMWe9zuoDvxWAm1EjKEN_k_Gvs7KHTWnSWMJyu4h6sOd4_i4Giw=="
+      "X-Amz-Cf-Id" : "GPgJgbBvfhXi0HzhQKjVz5cygiR55VvvrgRRaDwinqGMFJyI8lyxjQ=="
     }
   },
-  "uuid" : "6a99c430-7a23-4cbe-b1fc-7ae8c894c3d8",
+  "uuid" : "3cd188db-8673-4dc0-988e-78c05c0923d4",
   "persistent" : true,
-  "insertionIndex" : 71
+  "insertionIndex" : 89
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3fd31132-a28d-4064-94fc-1286808540d8.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3fd31132-a28d-4064-94fc-1286808540d8.json
new file mode 100644
index 00000000..153d57a3
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-3fd31132-a28d-4064-94fc-1286808540d8.json
@@ -0,0 +1,39 @@
+{
+  "id" : "3fd31132-a28d-4064-94fc-1286808540d8",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
+      "binaryEqualTo" : "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"
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:10 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "2bc73f20-c895-45cd-aae8-9c07f241e900",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542aa000000004968f422d38bfaa8",
+      "x-amz-apigw-id" : "Y9datHL9IAMELvQ=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542aa-378887993a86f68955039159;Parent=1a4447e09762ba13;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 65f2e9f7f1475de54aa452d3ceb9bcf6.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "j4X4BLbVmLgYBSRQxq4ECDCZ-C7lRyk44XFVFmxPnanq7LDHrJ2dXw=="
+    }
+  },
+  "uuid" : "3fd31132-a28d-4064-94fc-1286808540d8",
+  "persistent" : true,
+  "insertionIndex" : 19
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-498ce621-b326-4cdb-9731-cb430db46e82.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-498ce621-b326-4cdb-9731-cb430db46e82.json
deleted file mode 100644
index 2a30b654..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-498ce621-b326-4cdb-9731-cb430db46e82.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "498ce621-b326-4cdb-9731-cb430db46e82",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
-      "binaryEqualTo" : "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"
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
-      "Content-Type" : "application/x-protobuf",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:21 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "74166524-bad7-4feb-bdd1-786d7d098dc0",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985459400000000530e231b946746f6",
-      "x-amz-apigw-id" : "YVfPTF7ooAMESOQ=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854594-75145101719d65d35bf11c0b;Parent=2cfe6ec23a41bca7;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 e1832834d17ab65dd955f4e68cc524e6.cloudfront.net (CloudFront), 1.1 b669d9add7767f73665f1f8b7e8cd802.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "nMXJA8E4fOUFruoO_ibe-yUwD6AbIm1tYLAb_yvQQ-sOJLCF74WLnQ=="
-    }
-  },
-  "uuid" : "498ce621-b326-4cdb-9731-cb430db46e82",
-  "persistent" : true,
-  "insertionIndex" : 68
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6dfb4f88-d8e6-45f8-a8c1-30cd96753d99.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-4b11141a-7fcb-4936-9ea2-8b8520f6dc8c.json
similarity index 52%
rename from src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6dfb4f88-d8e6-45f8-a8c1-30cd96753d99.json
rename to src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-4b11141a-7fcb-4936-9ea2-8b8520f6dc8c.json
index 4def31ee..3ce32d9a 100644
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6dfb4f88-d8e6-45f8-a8c1-30cd96753d99.json
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-4b11141a-7fcb-4936-9ea2-8b8520f6dc8c.json
@@ -1,5 +1,5 @@
 {
-  "id" : "6dfb4f88-d8e6-45f8-a8c1-30cd96753d99",
+  "id" : "4b11141a-7fcb-4936-9ea2-8b8520f6dc8c",
   "name" : "otel_v1_traces",
   "request" : {
     "url" : "/otel/v1/traces",
@@ -10,7 +10,7 @@
       }
     },
     "bodyPatterns" : [ {
-      "binaryEqualTo" : "CuYCCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjMtYTQ5ODFmMS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRKoAQoYChZkaXN0cmlidXRlZC10cmFjZS10ZXN0EosBChAawKQJ+r7u8bvujFuJ0g94Egjw2TsW4CY+ySoddGVzdC1kaXN0cmlidXRlZC10cmFjZS1wYXJlbnQwATnsRBPpc4SRGEESFrlUdISRGEoyChFicmFpbnRydXN0LnBhcmVudBIdChtwcm9qZWN0X25hbWU6amF2YS11bml0LXRlc3R6AIUBAQEAAA=="
+      "binaryEqualTo" : "CuYCCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjUtYTY4ZGM5YS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRKoAQoYChZkaXN0cmlidXRlZC10cmFjZS10ZXN0EosBChAuwnhivReDweKZBf/5cPu0EggCCQmUfjDgSSoddGVzdC1kaXN0cmlidXRlZC10cmFjZS1wYXJlbnQwATnkBqM9ez2VGEFONpmyez2VGEoyChFicmFpbnRydXN0LnBhcmVudBIdChtwcm9qZWN0X25hbWU6amF2YS11bml0LXRlc3R6AIUBAQEAAA=="
     } ]
   },
   "response" : {
@@ -18,22 +18,22 @@
     "headers" : {
       "Content-Type" : "application/x-protobuf",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:04 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:30 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "e1cf8b99-b148-45e1-af31-49d6919044be",
+      "x-amzn-RequestId" : "9538efc9-0ac8-429b-a2f2-c64ac3c7f720",
       "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "6985458300000000461218983dd2537b",
-      "x-amz-apigw-id" : "YVfMqHo0IAMEGcA=",
+      "x-bt-internal-trace-id" : "699542bd00000000613b4a678cf59777",
+      "x-amz-apigw-id" : "Y9ddvEFSIAMERkg=",
       "vary" : "Origin",
       "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854583-71c24f7b000af73f2b19112d;Parent=657a118b735549ee;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 9257f9c4051fe8bd6cc4a09855b66350.cloudfront.net (CloudFront), 1.1 74e8c76139b8c7f9b11d5e4441c2a7a2.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542bd-3f2c17307b758f0651a18bc5;Parent=0ff7a0573d4e8c56;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 2582fcc2e5a8f93a556ac3ef26738abc.cloudfront.net (CloudFront), 1.1 ee5f8da78d4211a93c9dba8864a4067e.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "S1NOCjjY25AL6JcpITTdHOjOqeBId3aGmMknwjjI6d39rq2Slz1nkA=="
+      "X-Amz-Cf-Id" : "-gAmkOmQoEGJwTxKYtr5MwpvlNEYK8YNqOdSpL_4AVeRB_fDnrAULg=="
     }
   },
-  "uuid" : "6dfb4f88-d8e6-45f8-a8c1-30cd96753d99",
+  "uuid" : "4b11141a-7fcb-4936-9ea2-8b8520f6dc8c",
   "persistent" : true,
-  "insertionIndex" : 50
+  "insertionIndex" : 68
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6239c076-905e-4aa8-a740-b6dd59a693ab.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6239c076-905e-4aa8-a740-b6dd59a693ab.json
new file mode 100644
index 00000000..fec4369f
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-6239c076-905e-4aa8-a740-b6dd59a693ab.json
@@ -0,0 +1,39 @@
+{
+  "id" : "6239c076-905e-4aa8-a740-b6dd59a693ab",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
+      "binaryEqualTo" : "CosUCrgBCiAKDHNlcnZpY2UubmFtZRIQCg5icmFpbnRydXN0LWFwcAooCg9zZXJ2aWNlLnZlcnNpb24SFQoTMC4yLjUtYTY4ZGM5YS1ESVJUWQogChZ0ZWxlbWV0cnkuc2RrLmxhbmd1YWdlEgYKBGphdmEKJQoSdGVsZW1ldHJ5LnNkay5uYW1lEg8KDW9wZW50ZWxlbWV0cnkKIQoVdGVsZW1ldHJ5LnNkay52ZXJzaW9uEggKBjEuNTQuMRLNEgomCg9icmFpbnRydXN0LWphdmESEzAuMi41LWE2OGRjOWEtRElSVFkSxAEKEOLrEha/CKQ+fzXg8O4SzgISCOQNqfNyZtuIIgjPT0+DJsiZQSoEdGFzazABOS8HbBB6PZUYQfI3bhB6PZUYSkkKEWJyYWludHJ1c3QucGFyZW50EjQKMmV4cGVyaW1lbnRfaWQ6MmI3NGM2ZjAtY2I5YS00ZGRkLWEzMGUtOTdhYWVjZmRlZDk4Si8KGmJyYWludHJ1c3Quc3Bhbl9hdHRyaWJ1dGVzEhEKD3sidHlwZSI6InRhc2sifXoAhQEBAQAAErsCChDi6xIWvwikPn814PDuEs4CEgj0s455FeCwVyIIz09PgybImUEqBXNjb3JlMAE5c/FxEHo9lRhBpdV3EHo9lRhKMAoWYnJhaW50cnVzdC5vdXRwdXRfanNvbhIWChR7ImZydWl0X3Njb3JlciI6MC4wfUpJChFicmFpbnRydXN0LnBhcmVudBI0CjJleHBlcmltZW50X2lkOjJiNzRjNmYwLWNiOWEtNGRkZC1hMzBlLTk3YWFlY2ZkZWQ5OEpGChpicmFpbnRydXN0LnNwYW5fYXR0cmlidXRlcxIoCiZ7InR5cGUiOiJzY29yZSIsIm5hbWUiOiJmcnVpdF9zY29yZXIifUorChFicmFpbnRydXN0LnNjb3JlcxIWChR7ImZydWl0X3Njb3JlciI6MC4wfXoAhQEBAQAAEscCChDi6xIWvwikPn814PDuEs4CEgiu2YcoV5fVUiIIz09PgybImUEqBXNjb3JlMAE5xCZ5EHo9lRhBN7J9EHo9lRhKNAoWYnJhaW50cnVzdC5vdXRwdXRfanNvbhIaChh7InZlZ2V0YWJsZV9zY29yZXIiOjAuMH1KSQoRYnJhaW50cnVzdC5wYXJlbnQSNAoyZXhwZXJpbWVudF9pZDoyYjc0YzZmMC1jYjlhLTRkZGQtYTMwZS05N2FhZWNmZGVkOThKSgoaYnJhaW50cnVzdC5zcGFuX2F0dHJpYnV0ZXMSLAoqeyJ0eXBlIjoic2NvcmUiLCJuYW1lIjoidmVnZXRhYmxlX3Njb3JlciJ9Si8KEWJyYWludHJ1c3Quc2NvcmVzEhoKGHsidmVnZXRhYmxlX3Njb3JlciI6MC4wfXoAhQEBAQAAEr8CChDi6xIWvwikPn814PDuEs4CEgjPT0+DJsiZQSoEZXZhbDADOawCZxB6PZUYQcxgfhB6PZUYSiAKE2JyYWludHJ1c3QuZXhwZWN0ZWQSCQoHImZydWl0IkouChZicmFpbnRydXN0Lm91dHB1dF9qc29uEhQKEnsib3V0cHV0IjoiZnJ1aXQifUpJChFicmFpbnRydXN0LnBhcmVudBI0CjJleHBlcmltZW50X2lkOjJiNzRjNmYwLWNiOWEtNGRkZC1hMzBlLTk3YWFlY2ZkZWQ5OEovChpicmFpbnRydXN0LnNwYW5fYXR0cmlidXRlcxIRCg97InR5cGUiOiJldmFsIn1KMQoVYnJhaW50cnVzdC5pbnB1dF9qc29uEhgKFnsiaW5wdXQiOiJzdHJhd2JlcnJ5In16AIUBAQEAABLEAQoQ7hGKQaj2DR0UQPDSXr/kExIIWstbcqxX6OgiCEri9XctrMHYKgR0YXNrMAE5ifCJEHo9lRhBcnKLEHo9lRhKSQoRYnJhaW50cnVzdC5wYXJlbnQSNAoyZXhwZXJpbWVudF9pZDoyYjc0YzZmMC1jYjlhLTRkZGQtYTMwZS05N2FhZWNmZGVkOThKLwoaYnJhaW50cnVzdC5zcGFuX2F0dHJpYnV0ZXMSEQoPeyJ0eXBlIjoidGFzayJ9egCFAQEBAAASuwIKEO4RikGo9g0dFEDw0l6/5BMSCApSvk5UFeryIghK4vV3LazB2CoFc2NvcmUwATnB3Y8Qej2VGEHEdZYQej2VGEowChZicmFpbnRydXN0Lm91dHB1dF9qc29uEhYKFHsiZnJ1aXRfc2NvcmVyIjowLjB9SkkKEWJyYWludHJ1c3QucGFyZW50EjQKMmV4cGVyaW1lbnRfaWQ6MmI3NGM2ZjAtY2I5YS00ZGRkLWEzMGUtOTdhYWVjZmRlZDk4SkYKGmJyYWludHJ1c3Quc3Bhbl9hdHRyaWJ1dGVzEigKJnsidHlwZSI6InNjb3JlIiwibmFtZSI6ImZydWl0X3Njb3JlciJ9SisKEWJyYWludHJ1c3Quc2NvcmVzEhYKFHsiZnJ1aXRfc2NvcmVyIjowLjB9egCFAQEBAAASxwIKEO4RikGo9g0dFEDw0l6/5BMSCEHbGWnm7/d0IghK4vV3LazB2CoFc2NvcmUwATnfkJgQej2VGEEmcJ8Qej2VGEo0ChZicmFpbnRydXN0Lm91dHB1dF9qc29uEhoKGHsidmVnZXRhYmxlX3Njb3JlciI6MC4wfUpJChFicmFpbnRydXN0LnBhcmVudBI0CjJleHBlcmltZW50X2lkOjJiNzRjNmYwLWNiOWEtNGRkZC1hMzBlLTk3YWFlY2ZkZWQ5OEpKChpicmFpbnRydXN0LnNwYW5fYXR0cmlidXRlcxIsCip7InR5cGUiOiJzY29yZSIsIm5hbWUiOiJ2ZWdldGFibGVfc2NvcmVyIn1KLwoRYnJhaW50cnVzdC5zY29yZXMSGgoYeyJ2ZWdldGFibGVfc2NvcmVyIjowLjB9egCFAQEBAAASwgIKEO4RikGo9g0dFEDw0l6/5BMSCEri9XctrMHYKgRldmFsMAM59+2EEHo9lRhBmYWgEHo9lRhKJAoTYnJhaW50cnVzdC5leHBlY3RlZBINCgsidmVnZXRhYmxlIkouChZicmFpbnRydXN0Lm91dHB1dF9qc29uEhQKEnsib3V0cHV0IjoiZnJ1aXQifUpJChFicmFpbnRydXN0LnBhcmVudBI0CjJleHBlcmltZW50X2lkOjJiNzRjNmYwLWNiOWEtNGRkZC1hMzBlLTk3YWFlY2ZkZWQ5OEovChpicmFpbnRydXN0LnNwYW5fYXR0cmlidXRlcxIRCg97InR5cGUiOiJldmFsIn1KMAoVYnJhaW50cnVzdC5pbnB1dF9qc29uEhcKFXsiaW5wdXQiOiJhc3BhcmFndXMifXoAhQEBAQAA"
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:23 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "556c665d-594c-474d-8214-816f223cc1c3",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542b70000000071285b09b5187e1d",
+      "x-amz-apigw-id" : "Y9dcvFyToAMEMWQ=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b7-4aedbe4c4bfc75fa4645e438;Parent=4fad3b72cfc502ae;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 8022fb6dd967fd5734dda3b51415b460.cloudfront.net (CloudFront), 1.1 f8731007efc5ab360d90cee573a1e916.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "PEtY566CWX1F-eHpyX2na1pVhR3RFREhHO87BaYPv216vfbMFjcmWw=="
+    }
+  },
+  "uuid" : "6239c076-905e-4aa8-a740-b6dd59a693ab",
+  "persistent" : true,
+  "insertionIndex" : 51
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8237cc95-7284-47a1-8b0c-b10c333ef6cf.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8237cc95-7284-47a1-8b0c-b10c333ef6cf.json
deleted file mode 100644
index 0c617b14..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8237cc95-7284-47a1-8b0c-b10c333ef6cf.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "8237cc95-7284-47a1-8b0c-b10c333ef6cf",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-871111d8-3d07-4b18-a925-6585e6f918c3.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-871111d8-3d07-4b18-a925-6585e6f918c3.json
new file mode 100644
index 00000000..e702ccbb
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-871111d8-3d07-4b18-a925-6585e6f918c3.json
@@ -0,0 +1,39 @@
+{
+  "id" : "871111d8-3d07-4b18-a925-6585e6f918c3",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
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+      }
+    },
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+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:04 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "058b17aa-4149-407b-921b-6f235cfb5c48",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542a300000000715ddf6e9660abf1",
+      "x-amz-apigw-id" : "Y9dZrHHCoAMEttg=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
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+    }
+  },
+  "uuid" : "871111d8-3d07-4b18-a925-6585e6f918c3",
+  "persistent" : true,
+  "insertionIndex" : 9
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8d7628e8-daa4-442c-9d0e-dd868712d2e2.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8d7628e8-daa4-442c-9d0e-dd868712d2e2.json
deleted file mode 100644
index fc353784..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-8d7628e8-daa4-442c-9d0e-dd868712d2e2.json
+++ /dev/null
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-99bfaa56-c66d-4435-90ad-e5d96954223d.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-99bfaa56-c66d-4435-90ad-e5d96954223d.json
new file mode 100644
index 00000000..1f671a4d
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-99bfaa56-c66d-4435-90ad-e5d96954223d.json
@@ -0,0 +1,39 @@
+{
+  "id" : "99bfaa56-c66d-4435-90ad-e5d96954223d",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
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+    "headers" : {
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+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542b2000000005cadbbe0b371c323",
+      "x-amz-apigw-id" : "Y9db8FgioAMEDQw=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-b1d90a81-5b9f-4fee-afcc-243e080f05b3.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-b1d90a81-5b9f-4fee-afcc-243e080f05b3.json
new file mode 100644
index 00000000..3887b4b2
--- /dev/null
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@@ -0,0 +1,39 @@
+{
+  "id" : "b1d90a81-5b9f-4fee-afcc-243e080f05b3",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
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+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c0d141c9-3ba2-4143-91d5-8eabe08f5d6d.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c0d141c9-3ba2-4143-91d5-8eabe08f5d6d.json
deleted file mode 100644
index 86da1c2e..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c0d141c9-3ba2-4143-91d5-8eabe08f5d6d.json
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c61266c2-1f26-4327-b5eb-0ff3c9ca3b4c.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c61266c2-1f26-4327-b5eb-0ff3c9ca3b4c.json
new file mode 100644
index 00000000..bfc45994
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-c61266c2-1f26-4327-b5eb-0ff3c9ca3b4c.json
@@ -0,0 +1,39 @@
+{
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+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
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+      }
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-cd1e3ee4-4b13-4b81-8474-1fe159ce0432.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-cd1e3ee4-4b13-4b81-8474-1fe159ce0432.json
new file mode 100644
index 00000000..c3690ccf
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+    "headers" : {
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new file mode 100644
index 00000000..0f8a4488
--- /dev/null
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@@ -0,0 +1,39 @@
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diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-dcf0fc8b-ae81-4c56-b83e-60377e43649e.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-dcf0fc8b-ae81-4c56-b83e-60377e43649e.json
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index 77ea7263..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-dcf0fc8b-ae81-4c56-b83e-60377e43649e.json
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-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "6e9a519c-47f1-44a4-95fd-6b318e0167e2",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "69854572000000004e33388982f6d140",
-      "x-amz-apigw-id" : "YVfJ-HdTIAMEHAg=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854572-255fd1eb09fdedbb69e39cb2;Parent=0370ee40826fe299;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 2c24d855455b80190edd9e2dcdca3ee8.cloudfront.net (CloudFront), 1.1 dbfd9bcc806d4c322e72b461b2458112.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "5pm7NP4q6RK4ajW-rwWcnJwRa4L9NEfWzHFWGIKrzYRrojMTSpEkhA=="
-    }
-  },
-  "uuid" : "dcf0fc8b-ae81-4c56-b83e-60377e43649e",
-  "persistent" : true,
-  "insertionIndex" : 10
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e39b43cd-a997-476f-85ca-20de93e24a00.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e39b43cd-a997-476f-85ca-20de93e24a00.json
deleted file mode 100644
index 009619c4..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e39b43cd-a997-476f-85ca-20de93e24a00.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "e39b43cd-a997-476f-85ca-20de93e24a00",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
-    },
-    "bodyPatterns" : [ {
-      "binaryEqualTo" : "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"
-    } ]
-  },
-  "response" : {
-    "status" : 200,
-    "headers" : {
-      "Content-Type" : "application/x-protobuf",
-      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:20 GMT",
-      "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "4e09ab09-1609-4f34-bd74-1ed3475ac6a7",
-      "x-amzn-Remapped-content-length" : "0",
-      "x-bt-internal-trace-id" : "69854594000000006daa259fcae4d34e",
-      "x-amz-apigw-id" : "YVfPPELBoAMEMww=",
-      "vary" : "Origin",
-      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854594-58e729295a081e42460a2b1c;Parent=4b5b1faf5b697fe9;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 e1832834d17ab65dd955f4e68cc524e6.cloudfront.net (CloudFront), 1.1 d525041695bdb6325f78ebba5c11b8a2.cloudfront.net (CloudFront)",
-      "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "GZgjvBgkorI-UtuYrC2t-Sx88fgyNakbqgMaAsuBT-SQEkrpDswWsw=="
-    }
-  },
-  "uuid" : "e39b43cd-a997-476f-85ca-20de93e24a00",
-  "persistent" : true,
-  "insertionIndex" : 67
-}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e6149ec7-9562-4a56-af83-0acf1e398c5a.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e6149ec7-9562-4a56-af83-0acf1e398c5a.json
new file mode 100644
index 00000000..d057e41b
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-e6149ec7-9562-4a56-af83-0acf1e398c5a.json
@@ -0,0 +1,39 @@
+{
+  "id" : "e6149ec7-9562-4a56-af83-0acf1e398c5a",
+  "name" : "otel_v1_traces",
+  "request" : {
+    "url" : "/otel/v1/traces",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/x-protobuf"
+      }
+    },
+    "bodyPatterns" : [ {
+      "binaryEqualTo" : "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"
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "headers" : {
+      "Content-Type" : "application/x-protobuf",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:07 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "72bffa26-cf06-4436-8b41-bc08ac8eccc5",
+      "x-amzn-Remapped-content-length" : "0",
+      "x-bt-internal-trace-id" : "699542a700000000201c4967caf7ba5e",
+      "x-amz-apigw-id" : "Y9daPHubIAMEqdA=",
+      "vary" : "Origin",
+      "etag" : "W/\"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542a7-3f3b884a01707da867a0b355;Parent=02b1f60b375658cd;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 2582fcc2e5a8f93a556ac3ef26738abc.cloudfront.net (CloudFront), 1.1 7605973575a3551426b82751020317de.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "G4fGT4u5GwPR-W-n5FbQt3jomwVcvz6uutV3TEOKNknDrC6GuFLWJQ=="
+    }
+  },
+  "uuid" : "e6149ec7-9562-4a56-af83-0acf1e398c5a",
+  "persistent" : true,
+  "insertionIndex" : 12
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-f04e3407-4ce8-4d8f-8467-fab9059548b9.json b/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-f04e3407-4ce8-4d8f-8467-fab9059548b9.json
deleted file mode 100644
index 460b50c0..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/otel_v1_traces-f04e3407-4ce8-4d8f-8467-fab9059548b9.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-  "id" : "f04e3407-4ce8-4d8f-8467-fab9059548b9",
-  "name" : "otel_v1_traces",
-  "request" : {
-    "url" : "/otel/v1/traces",
-    "method" : "POST",
-    "headers" : {
-      "Content-Type" : {
-        "equalTo" : "application/x-protobuf"
-      }
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index 00000000..ecb45531
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similarity index 54%
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 }
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json b/src/test/resources/cassettes/braintrust/mappings/v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json
similarity index 51%
rename from src/test/resources/cassettes/braintrust/mappings/v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json
index f66eabe4..20ad470b 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json
@@ -1,5 +1,5 @@
 {
-  "id" : "0628d775-6f14-4d10-bbe7-ac316d834e1f",
+  "id" : "7e313198-c726-4fc5-89e5-79205562c071",
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   "request" : {
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@@ -17,29 +17,29 @@
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   "response" : {
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-    "bodyFileName" : "v1_experiment-0628d775-6f14-4d10-bbe7-ac316d834e1f.json",
+    "bodyFileName" : "v1_experiment-7e313198-c726-4fc5-89e5-79205562c071.json",
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-      "x-bt-internal-trace-id" : "6985457b0000000031bdc537d3806527",
-      "x-amz-apigw-id" : "YVfLWHZmoAMEioQ=",
+      "x-bt-internal-trace-id" : "699542b6000000007c56f464e7dcd595",
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-  "uuid" : "0628d775-6f14-4d10-bbe7-ac316d834e1f",
+  "uuid" : "7e313198-c726-4fc5-89e5-79205562c071",
   "persistent" : true,
-  "scenarioName" : "scenario-5-v1-experiment",
+  "scenarioName" : "scenario-6-v1-experiment",
   "requiredScenarioState" : "Started",
-  "newScenarioState" : "scenario-5-v1-experiment-2",
-  "insertionIndex" : 30
+  "newScenarioState" : "scenario-6-v1-experiment-2",
+  "insertionIndex" : 48
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-a82997e0-2473-49b6-8839-4e570e7748ab.json b/src/test/resources/cassettes/braintrust/mappings/v1_experiment-a82997e0-2473-49b6-8839-4e570e7748ab.json
deleted file mode 100644
index 05ebadd9..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-a82997e0-2473-49b6-8839-4e570e7748ab.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
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-  "name" : "v1_experiment",
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-  "persistent" : true,
-  "scenarioName" : "scenario-5-v1-experiment",
-  "requiredScenarioState" : "scenario-5-v1-experiment-2",
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json b/src/test/resources/cassettes/braintrust/mappings/v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json
similarity index 53%
rename from src/test/resources/cassettes/braintrust/mappings/v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json
index c5df14f9..135d46db 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json
@@ -1,5 +1,5 @@
 {
-  "id" : "e6648d2b-f25a-4409-9169-3abc157cc652",
+  "id" : "bb243adf-11a2-4650-a8ed-b0e08041b12e",
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   "request" : {
     "url" : "/v1/experiment",
@@ -17,26 +17,26 @@
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-    "bodyFileName" : "v1_experiment-e6648d2b-f25a-4409-9169-3abc157cc652.json",
+    "bodyFileName" : "v1_experiment-bb243adf-11a2-4650-a8ed-b0e08041b12e.json",
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function-2208cc91-4376-4225-82c5-b17a09a03190.json b/src/test/resources/cassettes/braintrust/mappings/v1_function-2208cc91-4376-4225-82c5-b17a09a03190.json
new file mode 100644
index 00000000..1ffc7deb
--- /dev/null
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@@ -0,0 +1,35 @@
+{
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+  "name" : "v1_function",
+  "request" : {
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+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function-230cfd03-c494-4e04-85b1-5659aa568566.json b/src/test/resources/cassettes/braintrust/mappings/v1_function-230cfd03-c494-4e04-85b1-5659aa568566.json
new file mode 100644
index 00000000..17b326fa
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@@ -0,0 +1,35 @@
+{
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+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function-267ac1d1-7ec6-41f8-8be3-dbc6b39faed4.json b/src/test/resources/cassettes/braintrust/mappings/v1_function-267ac1d1-7ec6-41f8-8be3-dbc6b39faed4.json
deleted file mode 100644
index 0e05710c..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function-267ac1d1-7ec6-41f8-8be3-dbc6b39faed4.json
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index 4ac51de4..00000000
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new file mode 100644
index 00000000..001f3625
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+{
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function-9270516e-455e-4e54-a319-08763684b9e1.json b/src/test/resources/cassettes/braintrust/mappings/v1_function-9270516e-455e-4e54-a319-08763684b9e1.json
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index f974e383..00000000
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function-9270516e-455e-4e54-a319-08763684b9e1.json
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function-948c77ba-4378-4c95-b1ec-119afe4a2088.json b/src/test/resources/cassettes/braintrust/mappings/v1_function-948c77ba-4378-4c95-b1ec-119afe4a2088.json
new file mode 100644
index 00000000..a5e060fd
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new file mode 100644
index 00000000..97719b97
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-6af504d6-0141-49f3-be47-ff605070f9b2.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-6af504d6-0141-49f3-be47-ff605070f9b2.json
deleted file mode 100644
index d8d4b5e8..00000000
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new file mode 100644
index 00000000..b423b52f
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@@ -0,0 +1,34 @@
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+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ce4de5fb-3154-4185-b36c-7e2a758e1d16.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ce4de5fb-3154-4185-b36c-7e2a758e1d16.json
new file mode 100644
index 00000000..1748f6cd
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277-ce4de5fb-3154-4185-b36c-7e2a758e1d16.json
@@ -0,0 +1,35 @@
+{
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+  "name" : "v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277",
+  "request" : {
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+    "method" : "GET"
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+    "headers" : {
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+      "etag" : "W/\"3bc-0HC9bz/IZOgDBh9bN2bxOI+hIfI\"",
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+  "persistent" : true,
+  "scenarioName" : "scenario-9-v1-function-5dd8a26d-3be8-4ecd-af5b-df2a6a592277",
+  "requiredScenarioState" : "Started",
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\ No newline at end of file
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similarity index 56%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-dc0610e4-b9a7-466f-8485-6de01fcc8a7d.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json
index 884481b3..a24bab55 100644
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+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json
@@ -1,5 +1,5 @@
 {
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@@ -10,51 +10,51 @@
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+      "equalToJson" : "{\"input\":{\"input\":\"test input\",\"output\":\"hello world\",\"expected\":\"hello world\",\"metadata\":{}},\"parent\":{\"object_type\":\"project_logs\",\"object_id\":\"6ae68365-7620-4630-921b-bac416634fc8\",\"row_ids\":{\"id\":\"otel\",\"span_id\":\"020909947e30e049\",\"root_span_id\":\"2ec27862bd1783c1e29905fff970fbb4\"}}}",
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+    "bodyFileName" : "v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-92d9de0e-456e-4030-a88a-1f04814551c3.json",
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-  "insertionIndex" : 49
+  "insertionIndex" : 67
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json
similarity index 61%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json
index 3b257b86..98fee6d5 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-9c1ad0ab-3183-42f3-bbdd-ec36dfa726ad.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_5dd8a26d-3be8-4ecd-af5b-df2a6a592277_invoke-a6aa1fc9-db2f-499a-8303-28d41ff6cf1e.json
@@ -1,5 +1,5 @@
 {
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@@ -17,42 +17,42 @@
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index 690e32b9..58af8183 100644
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+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f-dc61f63d-d85b-4e60-81af-63f317da2355.json
@@ -1,5 +1,5 @@
 {
-  "id" : "898c879f-d35d-49d5-8ba2-b8e26f1ff534",
+  "id" : "dc61f63d-d85b-4e60-81af-63f317da2355",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f",
@@ -7,29 +7,29 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f-898c879f-d35d-49d5-8ba2-b8e26f1ff534.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f-dc61f63d-d85b-4e60-81af-63f317da2355.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:59 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:24 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "1181e6c3-aaba-48a6-9139-fa5da34296d1",
+      "x-amzn-RequestId" : "104c150f-040c-416a-b1df-ffd2a88f752f",
       "x-amzn-Remapped-content-length" : "899",
-      "x-bt-internal-trace-id" : "6985457f000000005f234454594807ee",
-      "x-amz-apigw-id" : "YVfMDEZ_IAMEbOg=",
+      "x-bt-internal-trace-id" : "699542b800000000586b0063a1f01a67",
+      "x-amz-apigw-id" : "Y9dc4HTNIAMEnIg=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"383-rpJVBmKrFDirLJWf8+TFyK5s3tg\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-6985457f-3f108bc71657abcd66b246db;Parent=228fdd3ed5353072;Sampled=0;Lineage=1:24be3d11:0",
-      "Via" : "1.1 59e4792b9d6184bfa491a317b36590d2.cloudfront.net (CloudFront), 1.1 d525041695bdb6325f78ebba5c11b8a2.cloudfront.net (CloudFront)",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b8-39ebd09e3febdd0070d942e3;Parent=0e071662b2e09460;Sampled=0;Lineage=1:24be3d11:0",
+      "Via" : "1.1 95a087e13956fc03ffaeeaec4faa051a.cloudfront.net (CloudFront), 1.1 a40ac7dad0e348fc93799233c9af5960.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "t7-byGkJQSJrvqFeiXtL2eY8xNuNaFnZWlX4AeYeggV85Zp3QHe5tg=="
+      "X-Amz-Cf-Id" : "4M2qb1CbM0um18eDFLo-ZTKTaudPEiCCz3N9onsQBbzRgUQvAtwNhw=="
     }
   },
-  "uuid" : "898c879f-d35d-49d5-8ba2-b8e26f1ff534",
+  "uuid" : "dc61f63d-d85b-4e60-81af-63f317da2355",
   "persistent" : true,
   "scenarioName" : "scenario-3-v1-function-efa5f9c3-6ece-4726-a9d6-4ba792980b3f",
-  "requiredScenarioState" : "scenario-3-v1-function-efa5f9c3-6ece-4726-a9d6-4ba792980b3f-3",
-  "newScenarioState" : "scenario-3-v1-function-efa5f9c3-6ece-4726-a9d6-4ba792980b3f-4",
-  "insertionIndex" : 41
+  "requiredScenarioState" : "scenario-3-v1-function-efa5f9c3-6ece-4726-a9d6-4ba792980b3f-2",
+  "newScenarioState" : "scenario-3-v1-function-efa5f9c3-6ece-4726-a9d6-4ba792980b3f-3",
+  "insertionIndex" : 54
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-0d2552a5-5d8f-4892-8d3e-b137f2b76a3e.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-5496f882-ab38-47d1-9aff-7a4308081a5e.json
similarity index 55%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-0d2552a5-5d8f-4892-8d3e-b137f2b76a3e.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-5496f882-ab38-47d1-9aff-7a4308081a5e.json
index 8fe693f9..b96c5411 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-0d2552a5-5d8f-4892-8d3e-b137f2b76a3e.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-5496f882-ab38-47d1-9aff-7a4308081a5e.json
@@ -1,5 +1,5 @@
 {
-  "id" : "0d2552a5-5d8f-4892-8d3e-b137f2b76a3e",
+  "id" : "5496f882-ab38-47d1-9aff-7a4308081a5e",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f/invoke",
@@ -10,30 +10,30 @@
       }
     },
     "bodyPatterns" : [ {
-      "equalToJson" : "{\"input\":{\"input\":\"carrot\",\"output\":\"java-fruit\",\"expected\":\"vegetable\",\"metadata\":{}},\"parent\":{\"object_type\":\"playground_logs\",\"object_id\":\"ceea7422-3507-4d1c-a5f7-7acf41d9fac2\",\"row_ids\":{\"id\":\"otel\",\"span_id\":\"4a1e1acf9bdf2b1d\",\"root_span_id\":\"381fa2f0bbd4c27481f1bee0515d39c5\"}}}",
+      "equalToJson" : "{\"input\":{\"input\":\"carrot\",\"output\":\"java-fruit\",\"expected\":\"vegetable\",\"metadata\":{}},\"parent\":{\"object_type\":\"playground_logs\",\"object_id\":\"ceea7422-3507-4d1c-a5f7-7acf41d9fac2\",\"row_ids\":{\"id\":\"otel\",\"span_id\":\"9ca181860d8a1f18\",\"root_span_id\":\"bda2fa98fb3a1c0f31c60da7829e3bd6\"}}}",
       "ignoreArrayOrder" : true,
       "ignoreExtraElements" : false
     } ]
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-0d2552a5-5d8f-4892-8d3e-b137f2b76a3e.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-5496f882-ab38-47d1-9aff-7a4308081a5e.json",
     "headers" : {
       "Content-Type" : "application/json",
-      "Date" : "Fri, 06 Feb 2026 01:35:47 GMT",
-      "X-Amzn-Trace-Id" : "Root=1-69854572-2f22343e535867542524c993;Parent=2d8ffeed45e14266;Sampled=0;Lineage=1:8be8f50d:0",
+      "Date" : "Wed, 18 Feb 2026 04:40:07 GMT",
+      "X-Amzn-Trace-Id" : "Root=1-699542a6-618245bc7c96911b1f01d779;Parent=40b2349d960368db;Sampled=0;Lineage=1:8be8f50d:0",
       "x-bt-function-meta-cached" : "HIT",
-      "x-amzn-RequestId" : "2dba167e-32b8-45e1-8fa1-0a1c367c2319",
-      "x-bt-span-export" : "AwMDAc7qdCI1B00cpfd6z0HZ+sICB/Rn4r1tSRKCi4gZpmbZsANacSQPAqJGNZfgfQyTtABweyJwcm9wYWdhdGVkX2V2ZW50Ijp7InNwYW5fYXR0cmlidXRlcyI6eyJwdXJwb3NlIjoic2NvcmVyIn19LCJyb290X3NwYW5faWQiOiIzODFmYTJmMGJiZDRjMjc0ODFmMWJlZTA1MTVkMzljNSJ9",
-      "x-bt-span-id" : "07f467e2-bd6d-4912-828b-8819a666d9b0",
+      "x-amzn-RequestId" : "52f1e5a8-d247-440a-9659-d5b8d776efa1",
+      "x-bt-span-export" : "AwMDAc7qdCI1B00cpfd6z0HZ+sICQHvAoTE5SiatmlBjJdIP3wNxPU1i0EVL2ppXy7bQ89gLeyJwcm9wYWdhdGVkX2V2ZW50Ijp7InNwYW5fYXR0cmlidXRlcyI6eyJwdXJwb3NlIjoic2NvcmVyIn19LCJyb290X3NwYW5faWQiOiJiZGEyZmE5OGZiM2ExYzBmMzFjNjBkYTc4MjllM2JkNiJ9",
+      "x-bt-span-id" : "407bc0a1-3139-4a26-ad9a-506325d20fdf",
       "x-bt-function-creds-cached" : "HIT",
       "X-Cache" : "Miss from cloudfront",
-      "Via" : "1.1 96f6dcbb4d7267cad6eb0747bce72024.cloudfront.net (CloudFront)",
+      "Via" : "1.1 ffe9646b2ea911744e2d51fc0715cedc.cloudfront.net (CloudFront)",
       "X-Amz-Cf-Pop" : "SEA900-P10",
-      "X-Amz-Cf-Id" : "NI7Jrxiiyn2l5G4iYTRaiwSL1vQRx9l4EimWb7Gb1MWa25prutaQFQ=="
+      "X-Amz-Cf-Id" : "LeJkvWkV9TCJkUkjcvPTuPLakGLDSMvR__pBkNY8F_Y9y9ZOPU4uGA=="
     }
   },
-  "uuid" : "0d2552a5-5d8f-4892-8d3e-b137f2b76a3e",
+  "uuid" : "5496f882-ab38-47d1-9aff-7a4308081a5e",
   "persistent" : true,
   "insertionIndex" : 11
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-deb57eb3-cf79-479b-b9bf-71a45381fbc6.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-79640234-214c-4f8d-a20b-c1e4d763514d.json
similarity index 62%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-deb57eb3-cf79-479b-b9bf-71a45381fbc6.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-79640234-214c-4f8d-a20b-c1e4d763514d.json
index d16c10a1..df689778 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-deb57eb3-cf79-479b-b9bf-71a45381fbc6.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-79640234-214c-4f8d-a20b-c1e4d763514d.json
@@ -1,5 +1,5 @@
 {
-  "id" : "deb57eb3-cf79-479b-b9bf-71a45381fbc6",
+  "id" : "79640234-214c-4f8d-a20b-c1e4d763514d",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f/invoke",
@@ -17,21 +17,21 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-deb57eb3-cf79-479b-b9bf-71a45381fbc6.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-79640234-214c-4f8d-a20b-c1e4d763514d.json",
     "headers" : {
       "Content-Type" : "application/json",
-      "Date" : "Fri, 06 Feb 2026 01:36:08 GMT",
-      "X-Amzn-Trace-Id" : "Root=1-69854588-547ef631599d99a51519e1a3;Parent=2ccdb273e1997108;Sampled=0;Lineage=1:8be8f50d:0",
+      "Date" : "Wed, 18 Feb 2026 04:40:34 GMT",
+      "X-Amzn-Trace-Id" : "Root=1-699542c2-7cf5d4587ddc69fc249c487a;Parent=4a144ec7ae04a4aa;Sampled=0;Lineage=1:8be8f50d:0",
       "x-bt-function-meta-cached" : "HIT",
-      "x-amzn-RequestId" : "634ce046-68e6-4419-a483-1f991549a507",
+      "x-amzn-RequestId" : "51b97a37-4724-4741-98f0-d42084994d6a",
       "x-bt-function-creds-cached" : "HIT",
       "X-Cache" : "Miss from cloudfront",
-      "Via" : "1.1 ddea1c07643e5e0bfceb34480eebdc52.cloudfront.net (CloudFront)",
+      "Via" : "1.1 83d24992402f7b214901ab76fbdc11e2.cloudfront.net (CloudFront)",
       "X-Amz-Cf-Pop" : "SEA900-P10",
-      "X-Amz-Cf-Id" : "TeJZVulbNzh9v0ulMX60m3xS6CHBCLWmHvp5se0a4GCG2Xr0wj7xIw=="
+      "X-Amz-Cf-Id" : "Sc_bz0lUQe8nULPswuVMpngXHKPHnKAhphOTXQjg4CJ9v8WwUl5GVw=="
     }
   },
-  "uuid" : "deb57eb3-cf79-479b-b9bf-71a45381fbc6",
+  "uuid" : "79640234-214c-4f8d-a20b-c1e4d763514d",
   "persistent" : true,
-  "insertionIndex" : 61
+  "insertionIndex" : 79
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-ac676ea5-1232-4b30-9600-138691120f7b.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-b44f1b89-de61-4a6c-aac6-33aaf6d0c046.json
similarity index 61%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-ac676ea5-1232-4b30-9600-138691120f7b.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-b44f1b89-de61-4a6c-aac6-33aaf6d0c046.json
index 64d1aaa0..39bcf0b0 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-ac676ea5-1232-4b30-9600-138691120f7b.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-b44f1b89-de61-4a6c-aac6-33aaf6d0c046.json
@@ -1,5 +1,5 @@
 {
-  "id" : "ac676ea5-1232-4b30-9600-138691120f7b",
+  "id" : "b44f1b89-de61-4a6c-aac6-33aaf6d0c046",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f/invoke",
@@ -17,21 +17,21 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-ac676ea5-1232-4b30-9600-138691120f7b.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-b44f1b89-de61-4a6c-aac6-33aaf6d0c046.json",
     "headers" : {
       "Content-Type" : "application/json",
-      "Date" : "Fri, 06 Feb 2026 01:35:59 GMT",
-      "X-Amzn-Trace-Id" : "Root=1-6985457f-455750fe7e742efc70827907;Parent=6d269913a89e5234;Sampled=0;Lineage=1:8be8f50d:0",
+      "Date" : "Wed, 18 Feb 2026 04:40:25 GMT",
+      "X-Amzn-Trace-Id" : "Root=1-699542b9-0b4021564b71dcf665f7f507;Parent=1b1053d103bee570;Sampled=0;Lineage=1:8be8f50d:0",
       "x-bt-function-meta-cached" : "HIT",
-      "x-amzn-RequestId" : "eb38a68e-09da-4705-9aa8-07cd1b912346",
+      "x-amzn-RequestId" : "26b28da8-cfe6-4c5c-a797-fdb6bc705ca3",
       "x-bt-function-creds-cached" : "HIT",
       "X-Cache" : "Miss from cloudfront",
-      "Via" : "1.1 ffe9646b2ea911744e2d51fc0715cedc.cloudfront.net (CloudFront)",
+      "Via" : "1.1 fbb003dfc0617e3e058e3dac791dfd5a.cloudfront.net (CloudFront)",
       "X-Amz-Cf-Pop" : "SEA900-P10",
-      "X-Amz-Cf-Id" : "X1jsNnhQIhOECMYZIHgPfnpHvzgmL8Ddbc63sxzCVVhnRiAgJ7GNyg=="
+      "X-Amz-Cf-Id" : "wSAjNpDyGNP84gAY57N5asuko-6p1aEPCuvrtgVplL55HRqlgYDJAw=="
     }
   },
-  "uuid" : "ac676ea5-1232-4b30-9600-138691120f7b",
+  "uuid" : "b44f1b89-de61-4a6c-aac6-33aaf6d0c046",
   "persistent" : true,
-  "insertionIndex" : 39
+  "insertionIndex" : 57
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c4930342-9da0-4813-9344-87b986d4e06f.json
similarity index 54%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c4930342-9da0-4813-9344-87b986d4e06f.json
index 0604338d..01f52165 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c4930342-9da0-4813-9344-87b986d4e06f.json
@@ -1,5 +1,5 @@
 {
-  "id" : "d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60",
+  "id" : "c4930342-9da0-4813-9344-87b986d4e06f",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f/invoke",
@@ -10,30 +10,30 @@
       }
     },
     "bodyPatterns" : [ {
-      "equalToJson" : "{\"input\":{\"input\":\"apple\",\"output\":\"java-fruit\",\"expected\":\"fruit\",\"metadata\":{}},\"parent\":{\"object_type\":\"playground_logs\",\"object_id\":\"ceea7422-3507-4d1c-a5f7-7acf41d9fac2\",\"row_ids\":{\"id\":\"otel\",\"span_id\":\"3470ea037b943bb8\",\"root_span_id\":\"9e900e168252c883905c005b93180a65\"}}}",
+      "equalToJson" : "{\"input\":{\"input\":\"apple\",\"output\":\"java-fruit\",\"expected\":\"fruit\",\"metadata\":{}},\"parent\":{\"object_type\":\"playground_logs\",\"object_id\":\"ceea7422-3507-4d1c-a5f7-7acf41d9fac2\",\"row_ids\":{\"id\":\"otel\",\"span_id\":\"d7caea1a72e4af52\",\"root_span_id\":\"fc567850a9c519111ede730405ffd0fb\"}}}",
       "ignoreArrayOrder" : true,
       "ignoreExtraElements" : false
     } ]
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c4930342-9da0-4813-9344-87b986d4e06f.json",
     "headers" : {
       "Content-Type" : "application/json",
-      "Date" : "Fri, 06 Feb 2026 01:35:46 GMT",
-      "X-Amzn-Trace-Id" : "Root=1-69854571-6fa3ed464ffa4bd83614206d;Parent=478a6bcf96f4a3b1;Sampled=0;Lineage=1:8be8f50d:0",
+      "Date" : "Wed, 18 Feb 2026 04:40:06 GMT",
+      "X-Amzn-Trace-Id" : "Root=1-699542a2-6f9b36405b36329d15991fae;Parent=36d2418180956acb;Sampled=0;Lineage=1:8be8f50d:0",
       "x-bt-function-meta-cached" : "HIT",
-      "x-amzn-RequestId" : "7e07e2eb-8802-43d2-9158-9d9277efb335",
-      "x-bt-span-export" : "AwMDAc7qdCI1B00cpfd6z0HZ+sICmurRnWltSICs134BnFB0tQMgfYujAFhOH7qmeyGoO/b5eyJwcm9wYWdhdGVkX2V2ZW50Ijp7InNwYW5fYXR0cmlidXRlcyI6eyJwdXJwb3NlIjoic2NvcmVyIn19LCJyb290X3NwYW5faWQiOiI5ZTkwMGUxNjgyNTJjODgzOTA1YzAwNWI5MzE4MGE2NSJ9",
-      "x-bt-span-id" : "9aead19d-696d-4880-acd7-7e019c5074b5",
+      "x-amzn-RequestId" : "9748aef0-9c86-489c-b10b-1a50fd7f3829",
+      "x-bt-span-export" : "AwMDAc7qdCI1B00cpfd6z0HZ+sICpqHvXumOS2mubR2bpyU1ZAN2MeAadaxGKYd18FfOIhCheyJwcm9wYWdhdGVkX2V2ZW50Ijp7InNwYW5fYXR0cmlidXRlcyI6eyJwdXJwb3NlIjoic2NvcmVyIn19LCJyb290X3NwYW5faWQiOiJmYzU2Nzg1MGE5YzUxOTExMWVkZTczMDQwNWZmZDBmYiJ9",
+      "x-bt-span-id" : "a6a1ef5e-e98e-4b69-ae6d-1d9ba7253564",
       "x-bt-function-creds-cached" : "HIT",
       "X-Cache" : "Miss from cloudfront",
-      "Via" : "1.1 65f2e9f7f1475de54aa452d3ceb9bcf6.cloudfront.net (CloudFront)",
+      "Via" : "1.1 fbb003dfc0617e3e058e3dac791dfd5a.cloudfront.net (CloudFront)",
       "X-Amz-Cf-Pop" : "SEA900-P10",
-      "X-Amz-Cf-Id" : "Kb0grPORtiuLPPw78kBX-ECgD8xbgu7srux0yVlSEtFWCk7hnc8rqA=="
+      "X-Amz-Cf-Id" : "Xfaf5Z2kK3JnbDmRIDglIe_O3E8fiBKwnw48CZz6CocPZmgnlxobcg=="
     }
   },
-  "uuid" : "d95aa8cb-7ee9-4e3e-9df6-7fe4dde75c60",
+  "uuid" : "c4930342-9da0-4813-9344-87b986d4e06f",
   "persistent" : true,
-  "insertionIndex" : 9
+  "insertionIndex" : 10
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-4a4aabcc-e55d-4f87-8c42-57780ceb1673.json b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c74d6502-1c83-4444-9c99-bfa4201a3754.json
similarity index 61%
rename from src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-4a4aabcc-e55d-4f87-8c42-57780ceb1673.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c74d6502-1c83-4444-9c99-bfa4201a3754.json
index 462cfaa2..6515aed5 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-4a4aabcc-e55d-4f87-8c42-57780ceb1673.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c74d6502-1c83-4444-9c99-bfa4201a3754.json
@@ -1,5 +1,5 @@
 {
-  "id" : "4a4aabcc-e55d-4f87-8c42-57780ceb1673",
+  "id" : "c74d6502-1c83-4444-9c99-bfa4201a3754",
   "name" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke",
   "request" : {
     "url" : "/v1/function/efa5f9c3-6ece-4726-a9d6-4ba792980b3f/invoke",
@@ -17,21 +17,21 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-4a4aabcc-e55d-4f87-8c42-57780ceb1673.json",
+    "bodyFileName" : "v1_function_efa5f9c3-6ece-4726-a9d6-4ba792980b3f_invoke-c74d6502-1c83-4444-9c99-bfa4201a3754.json",
     "headers" : {
       "Content-Type" : "application/json",
-      "Date" : "Fri, 06 Feb 2026 01:36:01 GMT",
-      "X-Amzn-Trace-Id" : "Root=1-69854581-6828c98a3d9beaa522f49bb1;Parent=7ec2a94ad8e36727;Sampled=0;Lineage=1:8be8f50d:0",
+      "Date" : "Wed, 18 Feb 2026 04:40:27 GMT",
+      "X-Amzn-Trace-Id" : "Root=1-699542bb-638e97ea280688b54f50d38d;Parent=0fa51bc5e22aa5f9;Sampled=0;Lineage=1:8be8f50d:0",
       "x-bt-function-meta-cached" : "HIT",
-      "x-amzn-RequestId" : "154b42ed-af1a-4542-9843-f74c382ad51c",
+      "x-amzn-RequestId" : "b9b05d9d-f901-43ef-8d58-8c71b0e41c73",
       "x-bt-function-creds-cached" : "HIT",
       "X-Cache" : "Miss from cloudfront",
-      "Via" : "1.1 e6b2537b87653726af8a79e6da505188.cloudfront.net (CloudFront)",
+      "Via" : "1.1 dbfd9bcc806d4c322e72b461b2458112.cloudfront.net (CloudFront)",
       "X-Amz-Cf-Pop" : "SEA900-P10",
-      "X-Amz-Cf-Id" : "vq02qZfhOPOOZdrYYFISjWH-8zoouDjty1RcB3fzWLL-K9Hd5j0ayg=="
+      "X-Amz-Cf-Id" : "8UBsuMRHtJmL2YZ5D4cPd3_D2ixl6_dQG-6xr_JnjMNG0WwWdf5c8g=="
     }
   },
-  "uuid" : "4a4aabcc-e55d-4f87-8c42-57780ceb1673",
+  "uuid" : "c74d6502-1c83-4444-9c99-bfa4201a3754",
   "persistent" : true,
-  "insertionIndex" : 44
+  "insertionIndex" : 62
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project-908b8dac-e536-4944-a260-db110aef03bb.json b/src/test/resources/cassettes/braintrust/mappings/v1_project-0a27f379-f3f9-4bc4-8298-8672e176362a.json
similarity index 53%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-908b8dac-e536-4944-a260-db110aef03bb.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-0a27f379-f3f9-4bc4-8298-8672e176362a.json
index 7aa748a2..dad3ccba 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-908b8dac-e536-4944-a260-db110aef03bb.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_project-0a27f379-f3f9-4bc4-8298-8672e176362a.json
@@ -1,5 +1,5 @@
 {
-  "id" : "908b8dac-e536-4944-a260-db110aef03bb",
+  "id" : "0a27f379-f3f9-4bc4-8298-8672e176362a",
   "name" : "v1_project",
   "request" : {
     "url" : "/v1/project",
@@ -17,29 +17,30 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_project-908b8dac-e536-4944-a260-db110aef03bb.json",
+    "bodyFileName" : "v1_project-0a27f379-f3f9-4bc4-8298-8672e176362a.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:56 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:17 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "76083324-bf00-49d9-baea-0e50f3379c54",
+      "x-amzn-RequestId" : "738f35f6-864d-4f6c-b19c-ac7d541ed2f8",
       "x-amzn-Remapped-content-length" : "352",
-      "x-bt-internal-trace-id" : "6985457b00000000494fc15f9a6c1801",
-      "x-amz-apigw-id" : "YVfLbEPZoAMEpyA=",
+      "x-bt-internal-trace-id" : "699542b100000000391f43962c8c7672",
+      "x-amz-apigw-id" : "Y9dbxEdqIAMEfng=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"160-RUdtZR434qrXxI13debDoTK1a2s\"",
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-      "X-Amzn-Trace-Id" : "Root=1-6985457b-246f059976b253a042d45e69;Parent=7d1046927cfb6e88;Sampled=0;Lineage=1:24be3d11:0",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
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+      "Via" : "1.1 21c7c4234f218bb5110262cbbf01f870.cloudfront.net (CloudFront), 1.1 7605973575a3551426b82751020317de.cloudfront.net (CloudFront)",
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-      "X-Amz-Cf-Id" : "t4zytxpYXzG1LOSKnM66JinDX2xXvAQbX0vaofxnIHmy1OS0vDdXLg=="
+      "X-Amz-Cf-Id" : "NJgfHWqPRTiq3_ZumcHffVWASccattIVe9j_J44d1whwiY5TX_TrDw=="
     }
   },
-  "uuid" : "908b8dac-e536-4944-a260-db110aef03bb",
+  "uuid" : "0a27f379-f3f9-4bc4-8298-8672e176362a",
   "persistent" : true,
   "scenarioName" : "scenario-1-v1-project",
   "requiredScenarioState" : "scenario-1-v1-project-7",
-  "insertionIndex" : 31
+  "newScenarioState" : "scenario-1-v1-project-8",
+  "insertionIndex" : 36
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project-1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66.json b/src/test/resources/cassettes/braintrust/mappings/v1_project-1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66.json
new file mode 100644
index 00000000..54d3a5c9
--- /dev/null
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_project-1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66.json
@@ -0,0 +1,46 @@
+{
+  "id" : "1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66",
+  "name" : "v1_project",
+  "request" : {
+    "url" : "/v1/project",
+    "method" : "POST",
+    "headers" : {
+      "Content-Type" : {
+        "equalTo" : "application/json"
+      }
+    },
+    "bodyPatterns" : [ {
+      "equalToJson" : "{\"name\":\"java-unit-test\"}",
+      "ignoreArrayOrder" : true,
+      "ignoreExtraElements" : false
+    } ]
+  },
+  "response" : {
+    "status" : 200,
+    "bodyFileName" : "v1_project-1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66.json",
+    "headers" : {
+      "Content-Type" : "application/json; charset=utf-8",
+      "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
+      "Date" : "Wed, 18 Feb 2026 04:40:19 GMT",
+      "access-control-allow-credentials" : "true",
+      "x-amzn-RequestId" : "decf9059-5ce2-4417-862d-b6b9cb1f71a0",
+      "x-amzn-Remapped-content-length" : "352",
+      "x-bt-internal-trace-id" : "699542b300000000765a3dd8efb87743",
+      "x-amz-apigw-id" : "Y9dcCEtsIAMEb4A=",
+      "vary" : "Origin, Accept-Encoding",
+      "etag" : "W/\"160-RUdtZR434qrXxI13debDoTK1a2s\"",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542b3-2f8c9cfd515354e74052950e;Parent=089e12d7a5476d90;Sampled=0;Lineage=1:24be3d11:0",
+      "x-bt-found-existing" : "true",
+      "Via" : "1.1 2582fcc2e5a8f93a556ac3ef26738abc.cloudfront.net (CloudFront), 1.1 a53bab1af200813b8f27e3c0a28b4964.cloudfront.net (CloudFront)",
+      "X-Cache" : "Miss from cloudfront",
+      "X-Amz-Cf-Id" : "j7nE3Euygbj5g1INvT1j9UC_idNmhh_fU_p1yULTJsNlkdmIyXDZjQ=="
+    }
+  },
+  "uuid" : "1f6b77b6-fe15-4be2-9ddf-5e6a45ff4d66",
+  "persistent" : true,
+  "scenarioName" : "scenario-1-v1-project",
+  "requiredScenarioState" : "scenario-1-v1-project-8",
+  "newScenarioState" : "scenario-1-v1-project-9",
+  "insertionIndex" : 39
+}
\ No newline at end of file
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project-e6b9eea1-a420-4603-9377-f0a3a21c8fdb.json b/src/test/resources/cassettes/braintrust/mappings/v1_project-2312d352-20e0-475f-82f5-83ada370b5df.json
similarity index 57%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-e6b9eea1-a420-4603-9377-f0a3a21c8fdb.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-2312d352-20e0-475f-82f5-83ada370b5df.json
index a4bd3b8e..6c18f9d7 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-e6b9eea1-a420-4603-9377-f0a3a21c8fdb.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_project-2312d352-20e0-475f-82f5-83ada370b5df.json
@@ -1,5 +1,5 @@
 {
-  "id" : "e6b9eea1-a420-4603-9377-f0a3a21c8fdb",
+  "id" : "2312d352-20e0-475f-82f5-83ada370b5df",
   "name" : "v1_project",
   "request" : {
     "url" : "/v1/project",
@@ -17,27 +17,27 @@
   },
   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1_project-e6b9eea1-a420-4603-9377-f0a3a21c8fdb.json",
+    "bodyFileName" : "v1_project-2312d352-20e0-475f-82f5-83ada370b5df.json",
     "headers" : {
       "Content-Type" : "application/json; charset=utf-8",
       "X-Amz-Cf-Pop" : [ "SEA900-P1", "SEA900-P10" ],
-      "Date" : "Fri, 06 Feb 2026 01:35:49 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:09 GMT",
       "access-control-allow-credentials" : "true",
-      "x-amzn-RequestId" : "82fbcd70-8389-48d3-8323-51a2680918ec",
+      "x-amzn-RequestId" : "4b4ff491-1df4-48a5-8322-d383ffdf4679",
       "x-amzn-Remapped-content-length" : "352",
-      "x-bt-internal-trace-id" : "6985457500000000185ecfc720c86e24",
-      "x-amz-apigw-id" : "YVfKdEskoAMEGZQ=",
+      "x-bt-internal-trace-id" : "699542a9000000006971c41412bbff00",
+      "x-amz-apigw-id" : "Y9dalHhWIAMEd1g=",
       "vary" : "Origin, Accept-Encoding",
       "etag" : "W/\"160-RUdtZR434qrXxI13debDoTK1a2s\"",
-      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan",
-      "X-Amzn-Trace-Id" : "Root=1-69854575-67929372342e2ad13501f0bb;Parent=44a3916decdec0a1;Sampled=0;Lineage=1:24be3d11:0",
+      "access-control-expose-headers" : "x-bt-cursor,x-bt-found-existing,x-bt-query-plan,x-bt-api-duration-ms,x-bt-brainstore-duration-ms",
+      "X-Amzn-Trace-Id" : "Root=1-699542a9-17251e7539b0253230543693;Parent=25cdc4764835d5af;Sampled=0;Lineage=1:24be3d11:0",
       "x-bt-found-existing" : "true",
-      "Via" : "1.1 95a087e13956fc03ffaeeaec4faa051a.cloudfront.net (CloudFront), 1.1 da32b45f2cc22dc818960285c4e91b66.cloudfront.net (CloudFront)",
+      "Via" : "1.1 b521abc69f4dd055f355de798c5fb95a.cloudfront.net (CloudFront), 1.1 d9d466ed70d93f34739969f91577ec74.cloudfront.net (CloudFront)",
       "X-Cache" : "Miss from cloudfront",
-      "X-Amz-Cf-Id" : "qkw5s20DAPXJtBo8fkmiHZEcvUaH9lx8zsnsIlbwZEuo-eDd188fPA=="
+      "X-Amz-Cf-Id" : "LeYfiJHhPQl10eXh3Ocp3WWVM0S-iFQkvjMeN5piqQM1uexlQJQ8zg=="
     }
   },
-  "uuid" : "e6b9eea1-a420-4603-9377-f0a3a21c8fdb",
+  "uuid" : "2312d352-20e0-475f-82f5-83ada370b5df",
   "persistent" : true,
   "scenarioName" : "scenario-1-v1-project",
   "requiredScenarioState" : "scenario-1-v1-project-3",
diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project-a31e2d4d-6d11-4cf2-a2fc-01ba4383844a.json b/src/test/resources/cassettes/braintrust/mappings/v1_project-240d87be-6f12-4057-baa6-0f7ce05a1264.json
similarity index 56%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-a31e2d4d-6d11-4cf2-a2fc-01ba4383844a.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-240d87be-6f12-4057-baa6-0f7ce05a1264.json
index 14a7fe04..97514d2d 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-a31e2d4d-6d11-4cf2-a2fc-01ba4383844a.json
+++ b/src/test/resources/cassettes/braintrust/mappings/v1_project-240d87be-6f12-4057-baa6-0f7ce05a1264.json
@@ -1,5 +1,5 @@
 {
-  "id" : "a31e2d4d-6d11-4cf2-a2fc-01ba4383844a",
+  "id" : "240d87be-6f12-4057-baa6-0f7ce05a1264",
   "name" : "v1_project",
   "request" : {
     "url" : "/v1/project",
@@ -17,30 +17,30 @@
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new file mode 100644
index 00000000..03353c75
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@@ -0,0 +1,46 @@
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project-2cb9406f-3fad-4b28-b71c-dcae94b5ed9c.json b/src/test/resources/cassettes/braintrust/mappings/v1_project-2dc2702a-a284-4639-a91f-217c71eb6037.json
similarity index 56%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-2cb9406f-3fad-4b28-b71c-dcae94b5ed9c.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-2dc2702a-a284-4639-a91f-217c71eb6037.json
index 15946c4b..96a62dbb 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-2cb9406f-3fad-4b28-b71c-dcae94b5ed9c.json
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@@ -1,5 +1,5 @@
 {
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similarity index 57%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-bdcf2773-3202-41e3-b1a7-1702760bd024.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-4611bac5-dd68-4686-b8d5-7bd206a584fa.json
index 926257d1..5c5d7d82 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-bdcf2773-3202-41e3-b1a7-1702760bd024.json
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@@ -1,5 +1,5 @@
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similarity index 57%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-71df9154-af57-4780-b607-897e17535f35.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-502432ca-4430-491f-9dcf-69d5784ea587.json
index 9dd7d3f6..18f4eaa6 100644
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@@ -1,5 +1,5 @@
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@@ -0,0 +1,45 @@
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similarity index 56%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project-cb831205-50cc-4f8d-9d88-68c8b16c8a45.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project-fd9df526-2db0-417e-9568-de52945fe275.json
index 1a7cd85a..8aa5b1a7 100644
--- a/src/test/resources/cassettes/braintrust/mappings/v1_project-cb831205-50cc-4f8d-9d88-68c8b16c8a45.json
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@@ -1,5 +1,5 @@
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similarity index 53%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-4f6686f8-f05f-4351-af96-99a7c3dfcbd0.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-273f81e5-8778-447d-b21b-0657dc676266.json
index 636fce01..f9ddb583 100644
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@@ -1,5 +1,5 @@
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similarity index 59%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-1e4ce41b-ac1e-48c6-8af8-0e549860634a.json
rename to src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-36f059af-a833-41ee-a00c-0e33cc015b54.json
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@@ -1,5 +1,5 @@
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@@ -7,29 +7,29 @@
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diff --git a/src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-376ac70d-6afd-4cec-ba0b-f7951cdc0671.json b/src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-376ac70d-6afd-4cec-ba0b-f7951cdc0671.json
new file mode 100644
index 00000000..2c8173fb
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similarity index 51%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-b92ee90f-2940-4bb9-8170-996c17c8e379.json
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similarity index 56%
rename from src/test/resources/cassettes/braintrust/mappings/v1_project_6ae68365-7620-4630-921b-bac416634fc8-0a75dce6-700f-46fc-837d-9870d1ac72c3.json
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diff --git a/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json b/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
similarity index 87%
rename from src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json
rename to src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
index 104f33ad..5cbe8bf8 100644
--- a/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json
+++ b/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
@@ -10,7 +10,7 @@
         "role": "model"
       },
       "finishReason": "STOP",
-      "avgLogprobs": -0.017841365602281358
+      "avgLogprobs": -0.006450464328130086
     }
   ],
   "usageMetadata": {
@@ -31,5 +31,5 @@
     ]
   },
   "modelVersion": "gemini-2.0-flash-lite",
-  "responseId": "jkWFafPsDau-qtsP6dWX4Qk"
+  "responseId": "yEKVaZeWHu_sz7IPobjqmQQ"
 }
diff --git a/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json b/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
similarity index 87%
rename from src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json
rename to src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
index 87972b0a..118a18e9 100644
--- a/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json
+++ b/src/test/resources/cassettes/google/__files/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
@@ -10,7 +10,7 @@
         "role": "model"
       },
       "finishReason": "STOP",
-      "avgLogprobs": -0.078704953193664551
+      "avgLogprobs": -0.062690660357475281
     }
   ],
   "usageMetadata": {
@@ -31,5 +31,5 @@
     ]
   },
   "modelVersion": "gemini-2.0-flash-lite",
-  "responseId": "jEWFaZe2H4inqtsPiZCakQo"
+  "responseId": "x0KVadIl2KzPsg_w_8nAAg"
 }
diff --git a/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json b/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
similarity index 81%
rename from src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json
rename to src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
index fa0e6745..9fa684c8 100644
--- a/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json
+++ b/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json
@@ -1,5 +1,5 @@
 {
-  "id" : "517f2182-c60e-41e3-a231-13108d9eb96e",
+  "id" : "7645d641-0cb6-498a-bb91-8eff600f08fc",
   "name" : "v1beta_models_gemini-20-flash-litegeneratecontent",
   "request" : {
     "url" : "/v1beta/models/gemini-2.0-flash-lite:generateContent",
@@ -17,20 +17,20 @@
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   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1beta_models_gemini-20-flash-litegeneratecontent-517f2182-c60e-41e3-a231-13108d9eb96e.json",
+    "bodyFileName" : "v1beta_models_gemini-20-flash-litegeneratecontent-7645d641-0cb6-498a-bb91-8eff600f08fc.json",
     "headers" : {
       "Content-Type" : "application/json; charset=UTF-8",
       "Vary" : [ "Origin", "X-Origin", "Referer" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:14 GMT",
+      "Date" : "Wed, 18 Feb 2026 04:40:40 GMT",
       "Server" : "scaffolding on HTTPServer2",
       "X-XSS-Protection" : "0",
       "X-Frame-Options" : "SAMEORIGIN",
       "X-Content-Type-Options" : "nosniff",
-      "Server-Timing" : "gfet4t7; dur=408",
+      "Server-Timing" : "gfet4t7; dur=414",
       "Alt-Svc" : "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000"
     }
   },
-  "uuid" : "517f2182-c60e-41e3-a231-13108d9eb96e",
+  "uuid" : "7645d641-0cb6-498a-bb91-8eff600f08fc",
   "persistent" : true,
   "insertionIndex" : 2
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json b/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
similarity index 81%
rename from src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json
rename to src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
index 90b0d4bf..0723a5c5 100644
--- a/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json
+++ b/src/test/resources/cassettes/google/mappings/v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json
@@ -1,5 +1,5 @@
 {
-  "id" : "753e5806-b59e-40b8-86a7-2573e3375098",
+  "id" : "8b4debca-ef26-4b8f-a00a-9863965203ee",
   "name" : "v1beta_models_gemini-20-flash-litegeneratecontent",
   "request" : {
     "url" : "/v1beta/models/gemini-2.0-flash-lite:generateContent",
@@ -17,20 +17,20 @@
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   "response" : {
     "status" : 200,
-    "bodyFileName" : "v1beta_models_gemini-20-flash-litegeneratecontent-753e5806-b59e-40b8-86a7-2573e3375098.json",
+    "bodyFileName" : "v1beta_models_gemini-20-flash-litegeneratecontent-8b4debca-ef26-4b8f-a00a-9863965203ee.json",
     "headers" : {
       "Content-Type" : "application/json; charset=UTF-8",
       "Vary" : [ "Origin", "X-Origin", "Referer" ],
-      "Date" : "Fri, 06 Feb 2026 01:36:12 GMT",
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       "X-Frame-Options" : "SAMEORIGIN",
       "X-Content-Type-Options" : "nosniff",
-      "Server-Timing" : "gfet4t7; dur=454",
+      "Server-Timing" : "gfet4t7; dur=430",
       "Alt-Svc" : "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000"
     }
   },
-  "uuid" : "753e5806-b59e-40b8-86a7-2573e3375098",
+  "uuid" : "8b4debca-ef26-4b8f-a00a-9863965203ee",
   "persistent" : true,
   "insertionIndex" : 1
 }
\ No newline at end of file
diff --git a/src/test/resources/cassettes/openai/__files/chat_completions-07b39c25-1d9e-405c-8041-ef32ab1b42d5.txt b/src/test/resources/cassettes/openai/__files/chat_completions-07b39c25-1d9e-405c-8041-ef32ab1b42d5.txt
new file mode 100644
index 00000000..909e41ea
--- /dev/null
+++ b/src/test/resources/cassettes/openai/__files/chat_completions-07b39c25-1d9e-405c-8041-ef32ab1b42d5.txt
@@ -0,0 +1,22 @@
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+
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diff --git a/src/test/resources/cassettes/openai/__files/chat_completions-0fd25afb-1ebc-46bb-8e2b-6abda5e9c571.txt b/src/test/resources/cassettes/openai/__files/chat_completions-0fd25afb-1ebc-46bb-8e2b-6abda5e9c571.txt
deleted file mode 100644
index ca27781a..00000000
--- a/src/test/resources/cassettes/openai/__files/chat_completions-0fd25afb-1ebc-46bb-8e2b-6abda5e9c571.txt
+++ /dev/null
@@ -1,22 +0,0 @@
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-data: {"id":"chatcmpl-D653cWaKppcN4bQEy2IPAyegmspnT","object":"chat.completion.chunk","created":1770341780,"model":"gpt-4o-mini-2024-07-18","service_tier":"default","system_fingerprint":"fp_f4ae844694","choices":[{"index":0,"delta":{"content":" capital"},"logprobs":null,"finish_reason":null}],"usage":null,"obfuscation":"sK1"}
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-data: {"id":"chatcmpl-D653cWaKppcN4bQEy2IPAyegmspnT","object":"chat.completion.chunk","created":1770341780,"model":"gpt-4o-mini-2024-07-18","service_tier":"default","system_fingerprint":"fp_f4ae844694","choices":[{"index":0,"delta":{"content":" of"},"logprobs":null,"finish_reason":null}],"usage":null,"obfuscation":"sB4rAjZR"}
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diff --git a/src/test/resources/cassettes/openai/__files/chat_completions-325cb53a-af43-45a3-8e7b-0887eaa11395.txt b/src/test/resources/cassettes/openai/__files/chat_completions-325cb53a-af43-45a3-8e7b-0887eaa11395.txt
new file mode 100644
index 00000000..79c9d52c
--- /dev/null
+++ b/src/test/resources/cassettes/openai/__files/chat_completions-325cb53a-af43-45a3-8e7b-0887eaa11395.txt
@@ -0,0 +1,22 @@
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similarity index 86%
rename from src/test/resources/cassettes/openai/__files/chat_completions-6cf15a16-7fb3-4736-8688-ba6114656e9a.json
rename to src/test/resources/cassettes/openai/__files/chat_completions-449d47b5-8f85-4415-9d25-1e6d1969321b.json
index 0ff0423b..bd1f3e08 100644
--- a/src/test/resources/cassettes/openai/__files/chat_completions-6cf15a16-7fb3-4736-8688-ba6114656e9a.json
+++ b/src/test/resources/cassettes/openai/__files/chat_completions-449d47b5-8f85-4415-9d25-1e6d1969321b.json
@@ -1,7 +1,7 @@
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@@ -32,5 +32,5 @@
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similarity index 83%
rename from src/test/resources/cassettes/openai/__files/chat_completions-5cf46c74-afbb-4ecc-af6e-a9cd9c8d5f89.json
rename to src/test/resources/cassettes/openai/__files/chat_completions-4efb15d0-969d-40e1-bdc5-973cb34ab72a.json
index 72b15e80..a16ca649 100644
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@@ -11,7 +11,7 @@
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@@ -19,7 +19,7 @@
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@@ -50,5 +50,5 @@
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similarity index 86%
rename from src/test/resources/cassettes/openai/__files/chat_completions-7095a20a-de09-4685-a809-36df048b9fec.json
rename to src/test/resources/cassettes/openai/__files/chat_completions-b0a06508-3aa8-4552-b75a-a8aaf61b1b6e.json
index bb605370..41b8d442 100644
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@@ -32,5 +32,5 @@
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similarity index 73%
rename from src/test/resources/cassettes/openai/__files/chat_completions-ecfc7545-9b98-4fe2-8df0-3a007ffc349f.json
rename to src/test/resources/cassettes/openai/__files/chat_completions-d46aa2a5-af03-40c5-9e81-32048be1f9f6.json
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@@ -18,8 +18,8 @@
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@@ -32,5 +32,5 @@
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deleted file mode 100644
index 8e1ac0fd..00000000
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similarity index 67%
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index a9af4370..fa852cd2 100644
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similarity index 64%
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similarity index 63%
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