feat(gemini): add Gemini provider integration (#202)

* feat(gemini): add Gemini provider integration

- Add gemini_config.rs module for .env file parsing
- Extend AppType enum to support Gemini
- Implement GeminiConfigEditor and GeminiFormFields components
- Add GeminiIcon with standardized 1024x1024 viewBox
- Add Gemini provider presets configuration
- Update i18n translations for Gemini support
- Extend ProviderService and McpService for Gemini

* fix(gemini): resolve TypeScript errors, add i18n support, and fix MCP logic

**Critical Fixes:**
- Fix TS2741 errors in tests/msw/state.ts by adding missing Gemini type definitions
- Fix ProviderCard.extractApiUrl to support GOOGLE_GEMINI_BASE_URL display
- Add missing apps.gemini i18n keys (zh/en) for proper app name display
- Fix MCP service Gemini cross-app duplication logic to prevent self-copy

**Technical Details:**
- tests/msw/state.ts: Add gemini default providers, current ID, and MCP config
- ProviderCard.tsx: Check both ANTHROPIC_BASE_URL and GOOGLE_GEMINI_BASE_URL
- services/mcp.rs: Skip Gemini in sync_other_side logic with unreachable!() guards
- Run pnpm format to auto-fix code style issues

**Verification:**
- ✅ pnpm typecheck passes
- ✅ pnpm format completed

* feat(gemini): enhance authentication and config parsing

- Add strict and lenient .env parsing modes
- Implement PackyCode partner authentication detection
- Support Google OAuth official authentication
- Auto-configure security.auth.selectedType for PackyCode
- Add comprehensive test coverage for all auth types
- Update i18n for OAuth hints and Gemini config

---------

Co-authored-by: Jason <farion1231@gmail.com>

src-tauri/src/app_store.rs

@@ -30,7 +30,7 @@ fn read_override_from_store(app: &tauri::AppHandle) -> Option<PathBuf> {
     let store = match app.store_builder("app_paths.json").build() {
         Ok(store) => store,
         Err(e) => {
-            log::warn!("无法创建 Store: {}", e);
+            log::warn!("无法创建 Store: {e}");
             return None;
         }
     };
@@ -46,20 +46,18 @@ fn read_override_from_store(app: &tauri::AppHandle) -> Option<PathBuf> {
 
             if !path.exists() {
                 log::warn!(
-                    "Store 中配置的 app_config_dir 不存在: {:?}\n\
-                     将使用默认路径。",
-                    path
+                    "Store 中配置的 app_config_dir 不存在: {path:?}\n\
+                     将使用默认路径。"
                 );
                 return None;
             }
 
-            log::info!("使用 Store 中的 app_config_dir: {:?}", path);
+            log::info!("使用 Store 中的 app_config_dir: {path:?}");
             Some(path)
         }
         Some(_) => {
             log::warn!(
-                "Store 中的 {} 类型不正确，应为字符串",
-                STORE_KEY_APP_CONFIG_DIR
+                "Store 中的 {STORE_KEY_APP_CONFIG_DIR} 类型不正确，应为字符串"
             );
             None
         }
@@ -82,14 +80,14 @@ pub fn set_app_config_dir_to_store(
     let store = app
         .store_builder("app_paths.json")
         .build()
-        .map_err(|e| AppError::Message(format!("创建 Store 失败: {}", e)))?;
+        .map_err(|e| AppError::Message(format!("创建 Store 失败: {e}")))?;
 
     match path {
         Some(p) => {
             let trimmed = p.trim();
             if !trimmed.is_empty() {
                 store.set(STORE_KEY_APP_CONFIG_DIR, Value::String(trimmed.to_string()));
-                log::info!("已将 app_config_dir 写入 Store: {}", trimmed);
+                log::info!("已将 app_config_dir 写入 Store: {trimmed}");
             } else {
                 store.delete(STORE_KEY_APP_CONFIG_DIR);
                 log::info!("已从 Store 中删除 app_config_dir 配置");
@@ -103,7 +101,7 @@ pub fn set_app_config_dir_to_store(
 
     store
         .save()
-        .map_err(|e| AppError::Message(format!("保存 Store 失败: {}", e)))?;
+        .map_err(|e| AppError::Message(format!("保存 Store 失败: {e}")))?;
 
     refresh_app_config_dir_override(app);
     Ok(())