Add pre-commit hook for auto-formatting

- Add .hooks/pre-commit that runs bun format and check
- Add prepare script to auto-install hooks on bun install
- Teammates get hooks automatically when they install dependencies

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: nearestnabors

.hooks/pre-commit

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Pre-commit hook: auto-fix lint/format issues before committing
+
+# Run Biome format (auto-fixes issues)
+bun run format
+
+# Stage any files that were auto-fixed
+git add -u
+
+# Run check to catch any remaining errors that can't be auto-fixed
+bun run check

package.json

@@ -10,6 +10,7 @@
     "assa-mcp": "./dist/index.js"
   },
   "scripts": {
+    "prepare": "cp .hooks/* .git/hooks/ && chmod +x .git/hooks/*",
     "dev": "tsx watch src/index.ts",
     "build:ui": "rm -rf dist/ui && mkdir -p dist/ui && VITE_APP=auth-button vite build && VITE_APP=tweet-preview vite build && VITE_APP=conversation-list vite build",
     "build:server": "tsc",