Code support format detection

scripts/format.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# Format all shell scripts in the Mole project
+#
+# Usage:
+#   ./scripts/format.sh           # Format all scripts
+#   ./scripts/format.sh --check   # Check only, don't modify
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+CHECK_ONLY=false
+
+# Parse arguments
+if [[ "${1:-}" == "--check" ]]; then
+    CHECK_ONLY=true
+elif [[ "${1:-}" == "--help" || "${1:-}" == "-h" ]]; then
+    cat << 'EOF'
+Usage: ./scripts/format.sh [--check]
+
+Format shell scripts using shfmt.
+
+Options:
+  --check    Check formatting without modifying files
+  --help     Show this help
+
+Install: brew install shfmt
+EOF
+    exit 0
+fi
+
+# Check if shfmt is installed
+if ! command -v shfmt > /dev/null 2>&1; then
+    echo "Error: shfmt not installed"
+    echo "Install: brew install shfmt"
+    exit 1
+fi
+
+# Find all shell scripts
+cd "$PROJECT_ROOT"
+
+# shfmt options: -i 4 (4 spaces), -ci (indent switch cases), -sr (space after redirect)
+if [[ "$CHECK_ONLY" == "true" ]]; then
+    echo "Checking formatting..."
+    if shfmt -i 4 -ci -sr -d . > /dev/null 2>&1; then
+        echo "✓ All scripts properly formatted"
+        exit 0
+    else
+        echo "✗ Some scripts need formatting:"
+        shfmt -i 4 -ci -sr -d .
+        echo ""
+        echo "Run './scripts/format.sh' to fix"
+        exit 1
+    fi
+else
+    echo "Formatting scripts..."
+    shfmt -i 4 -ci -sr -w .
+    echo "✓ Done"
+fi