feat: Add production schema deployment scripts

- Create apply-schema-prod.js for deploying schema to any SurrealDB instance
- Create deploy-schema.sh to easily deploy using .prod.env
- Add npm scripts: schema:apply (local) and schema:deploy (production)

Usage:
  pnpm schema:deploy  # Deploy to production using .prod.env

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

package.json

@@ -7,7 +7,9 @@
     "build": "next build",
     "start": "next start",
     "lint": "next lint",
-    "test": "npx magnitude"
+    "test": "npx magnitude",
+    "schema:apply": "node scripts/apply-schema.js",
+    "schema:deploy": "./scripts/deploy-schema.sh"
   },
   "dependencies": {
     "@ai-sdk/google": "latest",