chore: 工具链升级到最新版本（Vite 8 / React 19 / react-router 8 / TS 7 / Go 1.26 依赖更新）

- 前端：vite ^8.2.2、react/react-dom ^19.2.8、react-router ^8.3.1（移除 react-router-dom）、typescript ^7.0.2、zustand ^5.0.15；适配升级带来的类型变化（react-hook-form Resolver、ProseMirror node.parent、tiptap focus 参数、timer undefined 等）
- 后端：升级 gin/jwt/minio-go/gorm/modernc-sqlite/x-crypto 等直接依赖至最新；gowebp v0.1.1 已是最新版本
- tsconfig 移除 baseUrl，paths 改为相对路径以兼容 TS7

frontend/package.json

@@ -42,26 +42,26 @@
     "lucide-react": "^1.18.0",
     "marked": "^18.0.5",
     "postcss": "^8.5.15",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.2.8",
+    "react-dom": "^19.2.8",
+    "react-router": "^8.3.1",
     "react-easy-crop": "^6.0.2",
     "react-hook-form": "^7.79.0",
-    "react-router-dom": "^6.28.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.6.0",
     "tailwindcss": "^3.4.19",
     "tailwindcss-animate": "^1.0.7",
     "turndown": "^7.2.4",
     "zod": "^4.4.3",
-    "zustand": "^4.5.7"
+    "zustand": "^5.0.15"
   },
   "devDependencies": {
     "@types/node": "^25.9.3",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/react": "^19.2.18",
+    "@types/react-dom": "^19.2.3",
     "@types/turndown": "^5.0.6",
-    "@vitejs/plugin-react": "^4.3.4",
-    "typescript": "^5.6.3",
-    "vite": "^5.4.11"
+    "@vitejs/plugin-react": "^6.1.1",
+    "typescript": "^7.0.2",
+    "vite": "^8.2.2"
   }
 }