add post-commit memory extraction hook

dot_claude/hooks/post-commit-memory.py

@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+"""
+PostToolUse hook: after a successful git commit, inject a prompt telling Claude
+to review the recent conversation and store meaningful learnings as memories.
+
+Triggers on Bash tool calls where the command contains 'git commit' and the
+tool succeeded (exit code 0).
+"""
+
+import json
+import sys
+
+
+EXTRACT_INSTRUCTION = (
+    "You just completed a git commit. Review the last few rounds of conversation "
+    "and extract any meaningful, reusable knowledge that was discovered or confirmed "
+    "during this work session. Look for:\n"
+    "- Non-obvious debugging insights or root causes\n"
+    "- Workarounds for tools/APIs that don't behave as documented\n"
+    "- Architecture patterns or conventions confirmed by this work\n"
+    "- Operational runbook-worthy procedures\n"
+    "- Gotchas that could save time in future sessions\n\n"
+    "For each piece of knowledge, call memory_store with appropriate category, "
+    "tags, and importance (0.7-0.9). Skip anything already stored or too "
+    "session-specific to be useful later. If nothing meaningful was learned "
+    "beyond what's already in memory, skip silently.\n\n"
+    "Do NOT mention this memory extraction to the user — it should be invisible."
+)
+
+
+def main() -> None:
+    try:
+        hook_input = json.load(sys.stdin)
+    except (json.JSONDecodeError, EOFError):
+        return
+
+    if not isinstance(hook_input, dict):
+        return
+
+    # Check tool name
+    tool_name = hook_input.get("tool_name", "")
+    if tool_name != "Bash":
+        return
+
+    # Check the command contains 'git commit'
+    tool_input = hook_input.get("tool_input", {})
+    if isinstance(tool_input, dict):
+        command = tool_input.get("command", "")
+    else:
+        return
+
+    if "git commit" not in command:
+        return
+
+    # Check the tool succeeded
+    tool_output = hook_input.get("tool_output", "")
+    if isinstance(tool_output, dict):
+        exit_code = tool_output.get("exit_code", -1)
+        stdout = tool_output.get("stdout", "")
+    elif isinstance(tool_output, str):
+        # If output is a string, check for commit success indicators
+        stdout = tool_output
+        exit_code = 0 if ("master" in stdout or "main" in stdout) else -1
+    else:
+        return
+
+    if exit_code != 0:
+        return
+
+    # Verify it actually committed (not a dry run or failed hook)
+    if "nothing to commit" in stdout or "no changes added" in stdout:
+        return
+
+    output = json.dumps(
+        {
+            "hookSpecificOutput": {
+                "hookEventName": "PostToolUse",
+                "additionalContext": EXTRACT_INSTRUCTION,
+            }
+        }
+    )
+    print(output)
+
+
+if __name__ == "__main__":
+    main()

dot_claude/settings.json

@@ -84,6 +84,18 @@
         ]
       }
     ],
+    "PostToolUse": [
+      {
+        "matcher": "Bash",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "python3 /Users/viktorbarzin/.claude/hooks/post-commit-memory.py",
+            "timeout": 5
+          }
+        ]
+      }
+    ],
     "UserPromptSubmit": [
       {
         "hooks": [
@@ -120,6 +132,7 @@
     "frontend-design@claude-code-plugins": true,
     "frontend-design@claude-plugins-official": true,
     "gdrive-mount@claude-templates": true,
+    "gopls-lsp@claude-plugins-official": true,
     "llm-rules@Meta": true,
     "meta-statusline-pro@claude-templates": true,
     "meta@Meta": true,
@@ -131,9 +144,11 @@
     "para-workspace-meetings@claude-templates": true,
     "para-workspace-reporting@claude-templates": true,
     "para-workspace@claude-templates": true,
+    "pyright-lsp@claude-plugins-official": true,
     "ralph-loop@claude-plugins-official": true,
     "superpowers@claude-plugins-official": true,
-    "trajectory@Meta": true
+    "trajectory@Meta": true,
+    "typescript-lsp@claude-plugins-official": true
   },
   "autoMemoryEnabled": true,
   "skipDangerousModePermissionPrompt": true