perf(db): pragma, транзакции, индексы, версия схемы, SQL-фильтры и очистка

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

packages/db/package.json

@@ -19,6 +19,7 @@
     "build": "tsup src/index.ts --format esm --dts",
     "lint": "eslint .",
     "typecheck": "tsc --noEmit",
+    "test": "vitest run --passWithNoTests",
     "dev": "tsup src/index.ts --format esm --dts --watch",
     "db:generate": "drizzle-kit generate",
     "db:push": "drizzle-kit push"
@@ -36,6 +37,7 @@
     "globals": "^17.7.0",
     "tsup": "^8.5.0",
     "typescript": "catalog:",
-    "typescript-eslint": "^8.64.0"
+    "typescript-eslint": "^8.64.0",
+    "vitest": "catalog:"
   }
 }