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/components/providers/ProviderCard.tsx

@@ -40,7 +40,9 @@ const extractApiUrl = (provider: Provider, fallbackText: string) => {
   const config = provider.settingsConfig;
 
   if (config && typeof config === "object") {
-    const envBase = (config as Record<string, any>)?.env?.ANTHROPIC_BASE_URL;
+    const envBase =
+      (config as Record<string, any>)?.env?.ANTHROPIC_BASE_URL ||
+      (config as Record<string, any>)?.env?.GOOGLE_GEMINI_BASE_URL;
     if (typeof envBase === "string" && envBase.trim()) {
       return envBase;
     }
@@ -147,6 +149,17 @@ export function ProviderCard({
               <h3 className="text-base font-semibold leading-none">
                 {provider.name}
               </h3>
+              {provider.category === "third_party" &&
+                provider.meta?.isPartner && (
+                  <span
+                    className="text-yellow-500 dark:text-yellow-400"
+                    title={t("provider.officialPartner", {
+                      defaultValue: "官方合作伙伴",
+                    })}
+                  >
+                    ⭐
+                  </span>
+                )}
               <span
                 className={cn(
                   "rounded-full bg-green-500/10 px-2 py-0.5 text-xs font-medium text-green-500 dark:text-green-400 transition-opacity duration-200",