2026-02-27T10-04-14_auto_memory/memories.db-wal, memory/2026-02-27-block-co

memory/2026-02-27-block-co-authored-by-attribution-hook.md

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+# 2026-02-27 Session Notes
+
+## Block Co-Authored-By Attribution Hook
+
+Nicholai requested implementation of a PreToolUse hook to block git commits containing Claude's automatic `Co-Authored-By:` attribution. The plan specifies creating a bash script at `~/.claude/hooks/block-coauthor.sh` that:
+
+- Reads PreToolUse JSON payload from stdin
+- Extracts the git command via jq
+- Searches for the pattern `Co-Authored-By:.*Claude` (case-insensitive)
+- Returns `permissionDecision: "deny"` if found, otherwise allows execution
+
+The hook must be registered in `~/.claude/settings.json` with a 5-second timeout and status message.
+
+Session work:
+- Reviewed existing settings.json structure to understand hook architecture
+- Confirmed hook format uses event-based triggers (SessionStart, UserPromptSubmit, SessionEnd)
+- Ready to implement both the script and settings modification
+
+Next steps: Create the hook script and update settings.json configuration.