fix: show configured agent avatar in canvas auto mode

app/(chat)/api/models/route.ts

@@ -1,5 +1,9 @@
 import { auth } from "@/app/(auth)/auth";
-import { getEnabledAiModelsWithProvider, getDefaultAiModel } from "@/lib/db/queries";
+import {
+  getAgentAiModelWithProvider,
+  getDefaultAiModel,
+  getEnabledAiModelsWithProvider,
+} from "@/lib/db/queries";
 import { ChatSDKError } from "@/lib/errors";
 import { isAiModelAgentAuto } from "@/lib/db/ai-model-flags";
 
@@ -14,6 +18,7 @@ export async function GET() {
 
     // 只获取主模型（不包括子模型），子模型由后端根据 videoParams.mode 自动选择
     const modelsWithProvider = await getEnabledAiModelsWithProvider(false);
+    const agentModelWithProvider = await getAgentAiModelWithProvider();
     const defaultModel = await getDefaultAiModel();
     const visibleModelsWithProvider = modelsWithProvider.filter(
       ({ model }) => !isAiModelAgentAuto(model)
@@ -48,6 +53,14 @@ export async function GET() {
     return Response.json({
       models,
       defaultModelId: resolvedDefaultModelId,
+      agentModel: agentModelWithProvider
+        ? {
+            id: agentModelWithProvider.model.id,
+            displayName: agentModelWithProvider.model.displayName,
+            avatarUrl: agentModelWithProvider.model.avatarUrl,
+            providerType: agentModelWithProvider.provider.type,
+          }
+        : null,
     });
   } catch (error) {
     if (error instanceof ChatSDKError) {

components/canvas/CanvasChatPanel.tsx

@@ -827,6 +827,12 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
       supportsImageGen?: boolean;
       capabilities?: string[] | null;
     }>;
+    agentModel?: {
+      id: string;
+      displayName: string;
+      avatarUrl?: string | null;
+      providerType: string;
+    } | null;
   }>("/api/models", fetcher);
 
   // 获取网站设置（包含广告横幅配置和画布设置）
@@ -849,7 +855,7 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
     id: "auto",
     modelId: "auto",
     displayName: "Agent模式",
-    avatarUrl: null,
+    avatarUrl: modelsData?.agentModel?.avatarUrl || null,
     providerType: "auto",
     supportsImageGen: true,
   };