ci: покрытие и пороги, тесты shared/api, smoke образа и бюджеты, документация

packages/shared/package.json

@@ -18,6 +18,7 @@
     "build": "tsup src/index.ts --format esm --dts",
     "dev": "tsup src/index.ts --format esm --dts --watch",
     "test": "vitest run --passWithNoTests",
+    "test:coverage": "vitest run --coverage",
     "lint": "eslint .",
     "typecheck": "tsc --noEmit"
   },
@@ -26,6 +27,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
+    "@vitest/coverage-v8": "4.1.10",
     "eslint": "^10.7.0",
     "globals": "^17.7.0",
     "tsup": "^8.5.0",