Add shareable commit-msg hook for contributors

Author: jfreed-dev

.githooks/commit-msg

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Prevent commit messages from containing AI assistant references
+
+commit_msg_file="$1"
+commit_msg=$(cat "$commit_msg_file")
+
+# Check for AI assistant references (case-insensitive)
+if echo "$commit_msg" | grep -iqE "(claude|Generated with.*Code|Co-Authored-By:.*(Claude|Anthropic))"; then
+    echo "ERROR: Commit message contains AI assistant references."
+    echo "Please remove references to AI assistants from your commit message."
+    echo ""
+    echo "Your message:"
+    echo "$commit_msg"
+    exit 1
+fi
+
+exit 0

CONTRIBUTING.md

@@ -35,6 +35,16 @@ Thank you for your interest in contributing! This document provides guidelines f
 
 ## Development Setup
 
+### Initial Setup
+
+After cloning the repository, configure git to use the project's commit hooks:
+
+```bash
+git config core.hooksPath .githooks
+```
+
+This enables the commit-msg hook that enforces commit message guidelines.
+
 ### Prerequisites
 
 - Docker with buildx support