feat(provider): add TheRouter presets for Claude, Codex, and Gemini (#1891)

* feat(provider): add TheRouter presets for Claude and Codex

* feat(provider): add TheRouter Gemini preset

---------

Co-authored-by: max <me19@qq.com>

src/config/geminiProviderPresets.ts

@@ -241,6 +241,22 @@ export const geminiProviderPresets: GeminiProviderPreset[] = [
     icon: "openrouter",
     iconColor: "#6566F1",
   },
+  {
+    name: "TheRouter",
+    websiteUrl: "https://therouter.ai",
+    apiKeyUrl: "https://dashboard.therouter.ai",
+    settingsConfig: {
+      env: {
+        GOOGLE_GEMINI_BASE_URL: "https://api.therouter.ai",
+        GEMINI_MODEL: "gemini-2.5-pro",
+      },
+    },
+    baseURL: "https://api.therouter.ai",
+    model: "gemini-2.5-pro",
+    description: "TheRouter",
+    category: "aggregator",
+    endpointCandidates: ["https://api.therouter.ai"],
+  },
   {
     name: "自定义",
     websiteUrl: "",