feat(core): 启用 TypeScript 最严格的类型检查 (#199)

* feat(core):  启用 TypeScript 最严格的类型检查

* ci: 配置 Codecov 以适应类型安全改进

* fix(core): 修复 CodeQL 安全警告

* fix(core): eslint.config.mjs

package.json

@@ -63,6 +63,7 @@
     "copy:worker-demo": "node scripts/update-worker-demo.js",
     "format": "prettier --write \"packages/**/src/**/*.{ts,tsx,js,jsx}\"",
     "format:check": "prettier --check \"packages/**/src/**/*.{ts,tsx,js,jsx}\"",
+    "type-check": "lerna run type-check",
     "lint": "eslint \"packages/**/src/**/*.{ts,tsx,js,jsx}\"",
     "lint:fix": "eslint \"packages/**/src/**/*.{ts,tsx,js,jsx}\" --fix"
   },