chore: add pre-commit hook for formatting and type checking

Husky + lint-staged runs oxfmt on staged files and tsc --noEmit
on every commit, catching formatting drift and type errors before
they reach CI.

Author: corrm

.husky/pre-commit

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+npx --no -- lint-staged
+bunx tsc --noEmit

bun.lock

@@ -49,7 +49,11 @@
     "test": "bun test",
     "start": "bun src/cli.ts",
     "build": "bun build --compile --outfile dist/beflow ./src/cli.ts",
-    "gen:schema": "bun scripts/gen-config-schema.ts"
+    "gen:schema": "bun scripts/gen-config-schema.ts",
+    "prepare": "husky"
+  },
+  "lint-staged": {
+    "*.{ts,tsx,js,jsx,jsonc}": "oxfmt"
   },
   "dependencies": {
     "@clack/prompts": "^1.5.1",
@@ -60,6 +64,8 @@
   },
   "devDependencies": {
     "bun-types": "^1.1.0",
+    "husky": "^9.1.7",
+    "lint-staged": "^17.0.8",
     "oxfmt": "^0.54.0",
     "oxlint": "^1.69.0",
     "oxlint-tsgolint": "^0.23.0",