Code support format detection

scripts/install-hooks.sh

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+#!/bin/bash
+# Install git hooks for Mole project
+#
+# Usage:
+#   ./scripts/install-hooks.sh
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+cd "$PROJECT_ROOT"
+
+# Check if this is a git repository
+if [ ! -d ".git" ]; then
+    echo "Error: Not a git repository"
+    exit 1
+fi
+
+echo -e "${BLUE}Installing git hooks...${NC}"
+
+# Install pre-commit hook
+if [ -f ".git/hooks/pre-commit" ]; then
+    echo "Pre-commit hook already exists, creating backup..."
+    mv .git/hooks/pre-commit .git/hooks/pre-commit.backup
+fi
+
+ln -s ../../scripts/pre-commit.sh .git/hooks/pre-commit
+chmod +x .git/hooks/pre-commit
+
+echo -e "${GREEN}✓ Pre-commit hook installed${NC}"
+echo ""
+echo "The hook will:"
+echo "  • Auto-format shell scripts before commit"
+echo "  • Run shellcheck on changed files"
+echo "  • Show warnings but won't block commits"
+echo ""
+echo "To uninstall:"
+echo "  rm .git/hooks/pre-commit"
+echo ""