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/pre-push

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+#
+# Husky Pre-push Hook  
+# Runs Build Architecture Guard to check commits being pushed
+#
+. "$(dirname -- "$0")/_/husky.sh"
+
+echo "🔍 Running Build Architecture Guard (pre-push)..."
+
+# Get the remote branch we're pushing to
+REMOTE_BRANCH="origin/$(git rev-parse --abbrev-ref HEAD)"
+
+# Check if remote branch exists
+if git show-ref --verify --quiet "refs/remotes/$REMOTE_BRANCH"; then
+    RANGE="$REMOTE_BRANCH...HEAD"
+else
+    # If remote branch doesn't exist, check last commit
+    RANGE="HEAD~1..HEAD"
+fi
+
+bash ./scripts/build-arch-guard.sh --range "$RANGE" || {
+    echo
+    echo "💡 To bypass this check for emergency pushes, use:"
+    echo "   git push --no-verify"
+    echo
+    exit 1
+}