Add per-feature Cursor channel toggles for admin and runtime.

Expose page/data/scheduled-task/chat-bridge switches in the智趣体验通道 config so Tang can roll out Cursor paths independently with DeepSeek fallback.

Co-authored-by: Cursor <cursoragent@cursor.com>

llm-providers.mjs

@@ -2258,6 +2258,46 @@ export function createLlmProviderService(
       return { ok: true, providerId: goosedProviderId, model: row.default_model, source: 'vision' };
     },
 
+    async applyCursorChatBridgeForSession(sessionId, fetchImpl = apiFetchImpl) {
+      if (!cursorChatBridgeEnabled()) {
+        return { ok: false, message: 'TKMind Chat Bridge 未启用（MEMIND_CURSOR_CHAT_BRIDGE_ENABLED=1）' };
+      }
+      const catalogItem = catalogById.custom_cursor;
+      const profile = {
+        providerId: 'custom_cursor',
+        defaultModel: catalogItem?.defaultModel ?? 'cursor-chat-bridge',
+        models: catalogItem?.models ?? ['cursor-chat-bridge'],
+        apiKey: 'cursor-bridge-local',
+      };
+      const sessionGoosedApi = (pathname, init) =>
+        goosedApiFetch(apiTarget, apiSecret, pathname, init, fetchImpl);
+      try {
+        const goosedProviderId = await syncCursorChatBridgeProfileToGoosed(
+          apiTarget,
+          apiSecret,
+          profile,
+          fetchImpl,
+        );
+        await updateSessionProvider(
+          sessionGoosedApi,
+          sessionId,
+          goosedProviderId,
+          profile.defaultModel,
+        );
+        return {
+          ok: true,
+          providerId: goosedProviderId,
+          model: profile.defaultModel,
+          source: 'cursor_chat_bridge',
+        };
+      } catch (err) {
+        return {
+          ok: false,
+          message: err instanceof Error ? err.message : 'Cursor Chat Bridge 同步失败',
+        };
+      }
+    },
+
     // Calls the vision provider directly (not through Goose) to analyze images.
     // Returns the model's text description, or null on failure.
     async analyzeImagesWithVision(imageItems, userText) {