diff --git a/package-lock.json b/package-lock.json
index 46c26ff..64fdec9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "2.0.1",
       "license": "MIT",
       "dependencies": {
-        "@earendil-works/pi-coding-agent": "^0.83.0",
+        "@earendil-works/pi-coding-agent": "^0.84.1",
         "@larksuiteoapi/node-sdk": "^1.66.0",
         "typebox": "*"
       },
@@ -260,20 +260,23 @@
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-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.83.0.tgz",
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+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.84.1.tgz",
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       "hasShrinkwrap": true,
       "license": "MIT",
       "dependencies": {
-        "@earendil-works/pi-agent-core": "^0.83.0",
-        "@earendil-works/pi-ai": "^0.83.0",
-        "@earendil-works/pi-tui": "^0.83.0",
+        "@earendil-works/pi-agent-core": "^0.84.1",
+        "@earendil-works/pi-ai": "^0.84.1",
+        "@earendil-works/pi-client": "^0.84.1",
+        "@earendil-works/pi-protocol": "^0.84.1",
+        "@earendil-works/pi-tui": "^0.84.1",
         "@silvia-odwyer/photon-node": "0.3.4",
         "chalk": "5.6.2",
         "cross-spawn": "7.0.6",
         "diff": "8.0.4",
         "glob": "13.0.6",
+        "grok-mermaid": "0.2.2",
         "highlight.js": "10.7.3",
         "hosted-git-info": "9.0.3",
         "ignore": "7.0.5",
@@ -282,7 +285,7 @@
         "proper-lockfile": "4.1.2",
         "semver": "7.8.0",
         "typebox": "1.3.7",
-        "undici": "8.5.0",
+        "undici": "8.9.0",
         "yaml": "2.9.0"
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       "bin": {
@@ -731,11 +734,12 @@
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-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.83.0.tgz",
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.84.1.tgz",
       "license": "MIT",
       "dependencies": {
-        "@earendil-works/pi-ai": "^0.83.0",
+        "@earendil-works/pi-ai": "^0.84.1",
+        "@earendil-works/pi-telemetry": "^0.84.1",
         "diff": "8.0.4",
         "ignore": "7.0.5",
         "typebox": "1.3.7",
@@ -746,12 +750,13 @@
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     "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-ai": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.83.0.tgz",
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.84.1.tgz",
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "0.91.1",
         "@aws-sdk/client-bedrock-runtime": "3.1048.0",
+        "@earendil-works/pi-telemetry": "^0.84.1",
         "@google/genai": "1.52.0",
         "@mistralai/mistralai": "2.2.6",
         "@opentelemetry/api": "1.9.0",
@@ -769,9 +774,39 @@
         "node": ">=22.19.0"
       }
     },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-client": {
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-client/-/pi-client-0.84.1.tgz",
+      "license": "MIT",
+      "dependencies": {
+        "@earendil-works/pi-protocol": "^0.84.1"
+      },
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-protocol": {
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-protocol/-/pi-protocol-0.84.1.tgz",
+      "license": "MIT",
+      "dependencies": {
+        "typebox": "1.3.7"
+      },
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-telemetry": {
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-telemetry/-/pi-telemetry-0.84.1.tgz",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-tui": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.83.0.tgz",
+      "version": "0.84.1",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.84.1.tgz",
       "license": "MIT",
       "dependencies": {
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@@ -1280,15 +1315,15 @@
       "license": "MIT"
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/brace-expansion": {
-      "version": "5.0.7",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.7.tgz",
-      "integrity": "sha512-7oFy703dxfY3/NLxC1fh2SUCQ0H9rmAY+5EpDVfXjUTTs+HEwR2nYaqLv+GWcTsumwxPfiz6CzCNkwXwBUwqCA==",
+      "version": "5.0.9",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
+      "integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
       "license": "MIT",
       "dependencies": {
         "balanced-match": "^4.0.2"
       },
       "engines": {
-        "node": "18 || 20 || >=22"
+        "node": "20 || >=22"
       }
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/buffer-equal-constant-time": {
@@ -1534,6 +1569,15 @@
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       "license": "ISC"
     },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/grok-mermaid": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/grok-mermaid/-/grok-mermaid-0.2.2.tgz",
+      "integrity": "sha512-XcJEP5dDC8liHBh52mlLjU18fNvu1ckFsu0QpIG3+APZ270fsj9wxpiA6cOURmbUEuoMVgjbC2+UYgTdCqqgzA==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/highlight.js": {
       "version": "10.7.3",
       "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
@@ -1971,9 +2015,9 @@
       "license": "MIT"
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/undici": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-8.5.0.tgz",
-      "integrity": "sha512-xamtWoB1EshgjpmlXd7GGm2VfdDtw1+rD8uhry8pSNW3If6S8E0m2T2+orSKeZXEn/aPJMviCpDBA65WJt8zhg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-8.9.0.tgz",
+      "integrity": "sha512-aWZpUj7XoGonMClx4gdDRfgBjqeA+F473aDmROQQbM9n6PRfK/u1q/a0X4wMTgcHfT8H6fpbt98PFuDUwFg2YA==",
       "license": "MIT",
       "engines": {
         "node": ">=22.19.0"
diff --git a/package.json b/package.json
index ada254a..dc483af 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "pi-feishu": "./dist/cli.js"
   },
   "dependencies": {
-    "@earendil-works/pi-coding-agent": "^0.83.0",
+    "@earendil-works/pi-coding-agent": "^0.84.1",
     "@larksuiteoapi/node-sdk": "^1.66.0",
     "typebox": "*"
   },