diff --git a/Justfile b/Justfile
index 2c2096ad0..106725076 100644
--- a/Justfile
+++ b/Justfile
@@ -115,8 +115,12 @@ assail:
 # VALIDATION
 # ═══════════════════════════════════════════════════════════════════════════════
 
+# Reject legacy directive paths in satellite batches already migrated under #117.
+validate-bot-directives:
+    @bash hooks/validate-bot-directives.sh
+
 # Validate RSR compliance
-validate-rsr:
+validate-rsr: validate-bot-directives
     #!/usr/bin/env bash
     echo "=== RSR Compliance Check ==="
     MISSING=""
diff --git a/affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/README.adoc b/affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/README.adoc
similarity index 88%
rename from affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/README.adoc
rename to affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/README.adoc
index 6e5c81cfd..9d26fc85f 100644
--- a/affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/README.adoc
+++ b/affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/README.adoc
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: CC-BY-SA-4.0
 // Copyright (c) {{CURRENT_YEAR}} hyperpolymath (hyperpolymath) <j.d.a.jewell@open.ac.uk>
-= Agent Instructions
+= Bot Directives
 :toc: preamble
 
 Methodology-aware configuration for AI agents. Read by any AI agent
@@ -32,8 +32,7 @@ Methodology-aware configuration for AI agents. Read by any AI agent
 == Relationship to Other Files
 
 * `AGENTIC.a2ml` says WHAT agents can do (permissions, gating)
-* `agent_instructions/` says HOW agents should work (methodology)
-* `bot_directives/` says what the gitbot-fleet does (fleet-specific)
+* `bot_directives/` says HOW agents should work (methodology)
 * `CLAUDE.md` says how Claude specifically should work (Claude-specific)
 
 == Reference
diff --git a/affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/coverage.a2ml b/affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/coverage.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/coverage.a2ml
rename to affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/coverage.a2ml
diff --git a/affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/debt.a2ml b/affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/debt.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/debt.a2ml
rename to affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/debt.a2ml
diff --git a/affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/methodology.a2ml b/affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/methodology.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescript-vite/.machine_readable/agent_instructions/methodology.a2ml
rename to affinescript-ecosystem/affinescript-vite/.machine_readable/bot_directives/methodology.a2ml
diff --git a/affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/README.adoc b/affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/README.adoc
similarity index 88%
rename from affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/README.adoc
rename to affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/README.adoc
index 1cc7487ed..c1c7026df 100644
--- a/affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/README.adoc
+++ b/affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/README.adoc
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: CC-BY-SA-4.0
 // Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
-= Agent Instructions
+= Bot Directives
 :toc: preamble
 
 Methodology-aware configuration for AI agents. Read by any AI agent
@@ -32,8 +32,7 @@ Methodology-aware configuration for AI agents. Read by any AI agent
 == Relationship to Other Files
 
 * `AGENTIC.a2ml` says WHAT agents can do (permissions, gating)
-* `agent_instructions/` says HOW agents should work (methodology)
-* `bot_directives/` says what the gitbot-fleet does (fleet-specific)
+* `bot_directives/` says HOW agents should work (methodology)
 * `CLAUDE.md` says how Claude specifically should work (Claude-specific)
 
 == Reference
diff --git a/affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/coverage.a2ml b/affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/coverage.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/coverage.a2ml
rename to affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/coverage.a2ml
diff --git a/affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/debt.a2ml b/affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/debt.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/debt.a2ml
rename to affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/debt.a2ml
diff --git a/affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/methodology.a2ml b/affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/methodology.a2ml
similarity index 100%
rename from affinescript-ecosystem/affinescriptiser/.machine_readable/agent_instructions/methodology.a2ml
rename to affinescript-ecosystem/affinescriptiser/.machine_readable/bot_directives/methodology.a2ml
diff --git a/affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/README.adoc b/affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/README.adoc
similarity index 88%
rename from affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/README.adoc
rename to affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/README.adoc
index 664bf5abb..fa37c7a3c 100644
--- a/affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/README.adoc
+++ b/affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/README.adoc
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: CC-BY-SA-4.0
 // Copyright (c) {{CURRENT_YEAR}} Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
-= Agent Instructions
+= Bot Directives
 :toc: preamble
 
 Methodology-aware configuration for AI agents. Read by any AI agent
@@ -32,8 +32,7 @@ Methodology-aware configuration for AI agents. Read by any AI agent
 == Relationship to Other Files
 
 * `AGENTIC.a2ml` says WHAT agents can do (permissions, gating)
-* `agent_instructions/` says HOW agents should work (methodology)
-* `bot_directives/` says what the gitbot-fleet does (fleet-specific)
+* `bot_directives/` says HOW agents should work (methodology)
 * `CLAUDE.md` says how Claude specifically should work (Claude-specific)
 
 == Reference
diff --git a/affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/coverage.a2ml b/affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/coverage.a2ml
similarity index 100%
rename from affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/coverage.a2ml
rename to affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/coverage.a2ml
diff --git a/affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/debt.a2ml b/affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/debt.a2ml
similarity index 100%
rename from affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/debt.a2ml
rename to affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/debt.a2ml
diff --git a/affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/methodology.a2ml b/affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/methodology.a2ml
similarity index 100%
rename from affinescript-ecosystem/rattlescript/.machine_readable/agent_instructions/methodology.a2ml
rename to affinescript-ecosystem/rattlescript/.machine_readable/bot_directives/methodology.a2ml
diff --git a/hooks/validate-bot-directives.sh b/hooks/validate-bot-directives.sh
new file mode 100755
index 000000000..31e74cbb8
--- /dev/null
+++ b/hooks/validate-bot-directives.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: MPL-2.0
+
+set -euo pipefail
+
+readonly DEFAULT_TARGETS=(
+    "affinescript-ecosystem/affinescript-vite"
+    "affinescript-ecosystem/affinescriptiser"
+    "affinescript-ecosystem/rattlescript"
+)
+
+validate_targets() {
+    local failed=0
+    local target
+    local machine_readable
+
+    for target in "$@"; do
+        machine_readable="${target}/.machine_readable"
+
+        if [[ -d "${machine_readable}/agent_instructions" ]]; then
+            printf 'ERROR: legacy directive directory remains: %s\n' \
+                "${machine_readable}/agent_instructions" >&2
+            failed=1
+        fi
+
+        if [[ ! -d "${machine_readable}/bot_directives" ]]; then
+            printf 'ERROR: canonical directive directory is missing: %s\n' \
+                "${machine_readable}/bot_directives" >&2
+            failed=1
+        fi
+
+        if rg --hidden --glob '!**/.git/**' --quiet 'agent_instructions' "$target"; then
+            printf 'ERROR: legacy agent_instructions reference remains under %s\n' \
+                "$target" >&2
+            rg --hidden --glob '!**/.git/**' --line-number \
+                'agent_instructions' "$target" >&2
+            failed=1
+        fi
+    done
+
+    return "$failed"
+}
+
+self_test() {
+    local fixture
+    fixture="$(mktemp -d /tmp/validate-bot-directives.XXXXXX)"
+    trap 'rm -rf -- "$fixture"' RETURN
+
+    mkdir -p "${fixture}/.machine_readable/agent_instructions"
+    if validate_targets "$fixture" >/dev/null 2>&1; then
+        echo "ERROR: validator accepted a planted legacy directory" >&2
+        return 1
+    fi
+
+    mv "${fixture}/.machine_readable/agent_instructions" \
+        "${fixture}/.machine_readable/bot_directives"
+    validate_targets "$fixture"
+    echo "Bot-directives validator self-test passed."
+}
+
+if [[ "${1:-}" == "--self-test" ]]; then
+    self_test
+    exit
+fi
+
+if (( $# > 0 )); then
+    validate_targets "$@"
+else
+    validate_targets "${DEFAULT_TARGETS[@]}"
+fi
+
+echo "Bot-directives migration validation passed."