新增：应用配置管理模块，优化文件系统功能

- 新增 ConfigAPI 和 ConfigService 实现配置管理
- 新增 SettingsPanel 和 UpdateNotification 组件
- 文件系统模块化重构，提升代码质量
- 提取公共函数，优化代码结构
- 版本号更新至 0.2.0

web/package-lock.json

@@ -23,6 +23,7 @@
         "@codemirror/lang-python": "^6.2.1",
         "@codemirror/lang-rust": "^6.0.2",
         "@codemirror/lang-sql": "^6.10.0",
+        "@codemirror/lang-yaml": "^6.1.2",
         "@codemirror/language": "^6.12.1",
         "@codemirror/legacy-modes": "^6.5.2",
         "@codemirror/state": "^6.5.3",
@@ -341,6 +342,21 @@
         "@lezer/lr": "^1.0.0"
       }
     },
+    "node_modules/@codemirror/lang-yaml": {
+      "version": "6.1.2",
+      "resolved": "https://registry.npmmirror.com/@codemirror/lang-yaml/-/lang-yaml-6.1.2.tgz",
+      "integrity": "sha512-dxrfG8w5Ce/QbT7YID7mWZFKhdhsaTNOYjOkSIMt1qmC4VQnXSDSYVHHHn8k6kJUfIhtLo8t1JJgltlxWdsITw==",
+      "license": "MIT",
+      "dependencies": {
+        "@codemirror/autocomplete": "^6.0.0",
+        "@codemirror/language": "^6.0.0",
+        "@codemirror/state": "^6.0.0",
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.2.0",
+        "@lezer/lr": "^1.0.0",
+        "@lezer/yaml": "^1.0.0"
+      }
+    },
     "node_modules/@codemirror/language": {
       "version": "6.12.1",
       "resolved": "https://registry.npmmirror.com/@codemirror/language/-/language-6.12.1.tgz",
@@ -1024,6 +1040,17 @@
         "@lezer/lr": "^1.0.0"
       }
     },
+    "node_modules/@lezer/yaml": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmmirror.com/@lezer/yaml/-/yaml-1.0.3.tgz",
+      "integrity": "sha512-GuBLekbw9jDBDhGur82nuwkxKQ+a3W5H0GfaAthDXcAu+XdpS43VlnxA9E9hllkpSP5ellRDKjLLj7Lu9Wr6xA==",
+      "license": "MIT",
+      "dependencies": {
+        "@lezer/common": "^1.2.0",
+        "@lezer/highlight": "^1.0.0",
+        "@lezer/lr": "^1.4.0"
+      }
+    },
     "node_modules/@marijn/find-cluster-break": {
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/@marijn/find-cluster-break/-/find-cluster-break-1.0.2.tgz",