feat: implement Build Architecture Guard with Husky hooks

- Add pre-commit and pre-push hooks for build file protection
- Create comprehensive guard script for BUILDING.md validation
- Add npm scripts for guard setup and testing
- Integrate with existing build system

.husky/commit-msg

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+#
+# Husky Commit Message Hook
+# Validates commit message format using commitlint
+#
+. "$(dirname -- "$0")/_/husky.sh"
+
+# Run commitlint but don't fail the commit (|| true)
+# This provides helpful feedback without blocking commits
+npx commitlint --edit "$1" || true