feat: 从iframe对接模型配置

frontend-web/src/core/threads/hooks.ts

@@ -621,10 +621,15 @@ export function useThreadStream({
           lockThreadRagMode(threadId);
         }
 
-        await thread.submit(
-          {
-            messages: [
-              {
+        const mergedContext = {
+          ...context,
+          ...extraContext,
+        };
+
+        await thread.submit(
+          {
+            messages: [
+              {
                 type: "human",
                 content: [
                   {
@@ -642,32 +647,33 @@ export function useThreadStream({
               },
             ],
           },
-          {
-            threadId: threadId,
-            streamSubgraphs: true,
-            streamResumable: true,
-            config: {
-              recursion_limit: 1000,
-            },
-            context: {
-              ...extraContext,
-              ...context,
-              thinking_enabled: context.mode !== "flash",
-              is_plan_mode: context.mode === "pro" || context.mode === "ultra",
-              subagent_enabled: context.mode === "ultra",
-              reasoning_effort:
-                context.reasoning_effort ??
-                (context.mode === "ultra"
-                  ? "high"
-                  : context.mode === "pro"
-                    ? "medium"
-                    : context.mode === "thinking"
-                      ? "low"
-                      : undefined),
-              memory_injection_enabled: context.memory_injection_enabled ?? true,
-              rag_mode_enabled: ragModeEnabled,
-              thread_id: threadId,
-            },
+          {
+            threadId: threadId,
+            streamSubgraphs: true,
+            streamResumable: true,
+            config: {
+              recursion_limit: 1000,
+            },
+            context: {
+              ...mergedContext,
+              thinking_enabled: mergedContext.mode !== "flash",
+              is_plan_mode:
+                mergedContext.mode === "pro" || mergedContext.mode === "ultra",
+              subagent_enabled: mergedContext.mode === "ultra",
+              reasoning_effort:
+                mergedContext.reasoning_effort ??
+                (mergedContext.mode === "ultra"
+                  ? "high"
+                  : mergedContext.mode === "pro"
+                    ? "medium"
+                    : mergedContext.mode === "thinking"
+                      ? "low"
+                      : undefined),
+              memory_injection_enabled:
+                mergedContext.memory_injection_enabled ?? true,
+              rag_mode_enabled: ragModeEnabled,
+              thread_id: threadId,
+            },
           },
         );
         void queryClient.invalidateQueries({ queryKey: ["threads", "search"] });