feat: 设置页新增模型卡片，支持为7种能力配置默认模型

src/server/db/settings.ts

@@ -26,6 +26,7 @@ export function getSettings(raw: Database): SettingsData {
     const parsed = JSON.parse(row.data) as Partial<SettingsData>;
     return {
       compact: typeof parsed.compact === "boolean" ? parsed.compact : false,
+      defaultModels: parsed.defaultModels,
       theme: parsed.theme === "dark" || parsed.theme === "light" || parsed.theme === "system" ? parsed.theme : "system",
     };
   } catch {

src/shared/api.ts

@@ -237,8 +237,21 @@ export type ProviderType = "anthropic" | "openai" | "openai-compatible";
 
 export type RuntimeMode = "development" | "production" | "test";
 
+/** 模型能力到默认模型 ID 的映射，用于后台自动流程 */
+export interface DefaultModelSettings {
+  /** 文本能力，覆盖 text + reasoning */
+  text?: string | null;
+  imageRecognition?: string | null;
+  audioRecognition?: string | null;
+  videoRecognition?: string | null;
+  imageGeneration?: string | null;
+  audioGeneration?: string | null;
+  videoGeneration?: string | null;
+}
+
 export interface SettingsData {
   compact?: boolean;
+  defaultModels?: DefaultModelSettings;
   theme: ThemePreference;
 }
 

src/web/features/settings/components/ModelSettingsCard.tsx

@@ -0,0 +1,119 @@
+import { useQueries } from "@tanstack/react-query";
+import { App as AntApp, Card, Form, Select } from "antd";
+import { useCallback, useMemo } from "react";
+
+import type { DefaultModelSettings, ModelCapability } from "../../../../shared/api";
+import { fetchModelList } from "../../../shared/hooks/use-models";
+import { useSettings } from "../../../shared/hooks/use-settings";
+
+interface CapabilityItem {
+  field: keyof DefaultModelSettings;
+  filterCapabilities: ModelCapability[];
+  help?: string;
+  label: string;
+}
+
+const CAPABILITY_ITEMS: CapabilityItem[] = [
+  { field: "text", filterCapabilities: ["text", "reasoning"], help: "同时用于推理场景", label: "文本" },
+  { field: "imageRecognition", filterCapabilities: ["image-recognition"], label: "图片识别" },
+  { field: "audioRecognition", filterCapabilities: ["audio-recognition"], label: "音频识别" },
+  { field: "videoRecognition", filterCapabilities: ["video-recognition"], label: "视频识别" },
+  { field: "imageGeneration", filterCapabilities: ["image-generation"], label: "图片生成" },
+  { field: "audioGeneration", filterCapabilities: ["audio-generation"], label: "音频生成" },
+  { field: "videoGeneration", filterCapabilities: ["video-generation"], label: "视频生成" },
+];
+
+const SAVE_MESSAGE_KEY = "model-save";
+
+interface CapabilityModelSelectProps {
+  disabled: boolean;
+  item: CapabilityItem;
+  onChange: (field: keyof DefaultModelSettings, modelId: string | undefined) => void;
+  value: string | undefined;
+}
+
+function CapabilityModelSelect({ disabled, item, onChange, value }: CapabilityModelSelectProps) {
+  const queries = useQueries({
+    queries: item.filterCapabilities.map((cap) => ({
+      queryFn: () => fetchModelList({ capabilities: cap, pageSize: 200 }),
+      queryKey: ["models", "list-cap", cap],
+    })),
+  });
+
+  const isLoading = queries.some((q) => q.isLoading);
+
+  const options = useMemo(() => {
+    const seen = new Set<string>();
+    const result: Array<{ label: string; value: string }> = [];
+    for (const q of queries) {
+      for (const model of q.data?.items ?? []) {
+        if (!seen.has(model.id)) {
+          seen.add(model.id);
+          result.push({ label: model.name, value: model.id });
+        }
+      }
+    }
+    return result;
+  }, [queries]);
+
+  return (
+    <Form.Item colon={false} help={item.help} label={item.label}>
+      <Select
+        allowClear
+        disabled={disabled}
+        loading={isLoading}
+        onChange={(val) => onChange(item.field, val)}
+        options={options}
+        placeholder={isLoading ? "加载中..." : "请选择"}
+        value={value}
+      />
+    </Form.Item>
+  );
+}
+
+export function ModelSettingsCard() {
+  const { message } = AntApp.useApp();
+  const { data: settings, isUpdating, updateSettings } = useSettings();
+
+  const handleChange = useCallback(
+    (field: keyof DefaultModelSettings, modelId: string | undefined) => {
+      const next: DefaultModelSettings = { ...settings?.defaultModels, [field]: modelId ?? null };
+      message.open({ content: "保存中...", duration: 0, key: SAVE_MESSAGE_KEY, type: "loading" });
+      updateSettings(
+        { defaultModels: next },
+        {
+          onError: () => {
+            void message.open({ content: "保存失败", duration: 2, key: SAVE_MESSAGE_KEY, type: "error" });
+          },
+          onSuccess: () => {
+            void message.open({ content: "已保存", duration: 1.5, key: SAVE_MESSAGE_KEY, type: "success" });
+          },
+        },
+      );
+    },
+    [settings?.defaultModels, updateSettings, message],
+  );
+
+  return (
+    <Card title="模型" type="inner">
+      <Form
+        className="settings-form"
+        colon={false}
+        disabled={isUpdating}
+        labelAlign="left"
+        labelCol={{ flex: "120px" }}
+        layout="horizontal"
+      >
+        {CAPABILITY_ITEMS.map((item) => (
+          <CapabilityModelSelect
+            key={item.field}
+            disabled={isUpdating}
+            item={item}
+            onChange={handleChange}
+            value={settings?.defaultModels?.[item.field] ?? undefined}
+          />
+        ))}
+      </Form>
+    </Card>
+  );
+}

src/web/features/settings/index.tsx

@@ -1,8 +1,9 @@
-import { App as AntApp, Card, Form, Radio, Switch } from "antd";
+import { App as AntApp, Card, Form, Radio, Space, Switch } from "antd";
 
 import type { ThemePreference } from "../../../shared/api";
 import { useSettings } from "../../shared/hooks/use-settings";
 import { parseThemePreference, useThemePreference } from "../../shared/hooks/use-theme-preference";
+import { ModelSettingsCard } from "./components/ModelSettingsCard";
 
 const THEME_OPTIONS = [
   { label: "系统", value: "system" },
@@ -50,6 +51,8 @@ export function SettingsPage() {
   };
 
   return (
+    <>
+      <Space orientation="vertical" size="middle" style={{ width: "100%" }}>
         <Card title="主题" type="inner">
           <Form
             className="settings-form"
@@ -73,5 +76,8 @@ export function SettingsPage() {
             </Form.Item>
           </Form>
         </Card>
+        <ModelSettingsCard />
+      </Space>
+    </>
   );
 }

tests/server/db/settings.test.ts

@@ -113,4 +113,45 @@ describe("设置数据访问层", () => {
       expect(result).toEqual({ compact: false, theme: "dark" });
     });
   });
+
+  test("updateSettings 写入 defaultModels 并读取", () => {
+    withSettingsDb((db) => {
+      const updated = updateSettings(
+        db,
+        { defaultModels: { text: "model-1", imageRecognition: null } },
+        createNoopLogger(),
+      );
+      expect(updated.defaultModels).toEqual({ text: "model-1", imageRecognition: null });
+      expect(updated.compact).toBe(false);
+      expect(updated.theme).toBe("system");
+
+      const read = getSettings(db);
+      expect(read.defaultModels).toEqual({ text: "model-1", imageRecognition: null });
+    });
+  });
+
+  test("defaultModels 与 theme/compact 合并持久化", () => {
+    withSettingsDb((db) => {
+      updateSettings(db, { theme: "dark", compact: true }, createNoopLogger());
+      const result = updateSettings(db, { defaultModels: { imageGeneration: "model-2" } }, createNoopLogger());
+      expect(result).toEqual({
+        compact: true,
+        defaultModels: { imageGeneration: "model-2" },
+        theme: "dark",
+      });
+    });
+  });
+
+  test("defaultModels 全量替换——前端负责深度合并", () => {
+    withSettingsDb((db) => {
+      updateSettings(db, { defaultModels: { text: "model-1", imageRecognition: "model-2" } }, createNoopLogger());
+      // 前端在 onChange 中负责合并 old + newField，提交完整对象
+      const result = updateSettings(
+        db,
+        { defaultModels: { text: "model-3", imageRecognition: "model-2" } },
+        createNoopLogger(),
+      );
+      expect(result.defaultModels).toEqual({ text: "model-3", imageRecognition: "model-2" });
+    });
+  });
 });

tests/server/routes/settings.test.ts

@@ -2,7 +2,7 @@ import type Database from "bun:sqlite";
 
 import { describe, expect, test } from "bun:test";
 
-import type { RuntimeMode } from "../../../src/shared/api";
+import type { RuntimeMode, SettingsData } from "../../../src/shared/api";
 
 import { createNoopLogger } from "../../../src/server/logger";
 import { createMigratedMemoryTestDatabase } from "../../helpers";
@@ -191,4 +191,48 @@ describe("设置 API 路由", () => {
       expect(body).toEqual({ compact: true, theme: "dark" });
     });
   });
+
+  test("PUT /api/settings 写入 defaultModels 后 GET 返回包含该字段", async () => {
+    await withRouteDb(async (db) => {
+      const putReq = new Request("http://localhost/api/settings", {
+        body: JSON.stringify({ defaultModels: { text: "model-1", imageRecognition: null } }),
+        headers: { "Content-Type": "application/json" },
+        method: "PUT",
+      });
+      const putRes = await updateSettingsViaHandler(putReq, db);
+      expect(putRes.status).toBe(200);
+      const putBody = (await putRes.json()) as SettingsData;
+      expect(putBody.defaultModels).toEqual({ text: "model-1", imageRecognition: null });
+      expect(putBody.compact).toBe(false);
+      expect(putBody.theme).toBe("system");
+
+      const getReq = new Request("http://localhost/api/settings");
+      const getRes = await getSettingsViaHandler(getReq, db);
+      expect(getRes.status).toBe(200);
+      const getBody = (await getRes.json()) as SettingsData;
+      expect(getBody.defaultModels).toEqual({ text: "model-1", imageRecognition: null });
+    });
+  });
+
+  test("PUT /api/settings defaultModels 与 theme 合并持久化不丢失", async () => {
+    await withRouteDb(async (db) => {
+      const req1 = new Request("http://localhost/api/settings", {
+        body: JSON.stringify({ theme: "dark" }),
+        headers: { "Content-Type": "application/json" },
+        method: "PUT",
+      });
+      await updateSettingsViaHandler(req1, db);
+
+      const req2 = new Request("http://localhost/api/settings", {
+        body: JSON.stringify({ defaultModels: { videoGeneration: "model-v" } }),
+        headers: { "Content-Type": "application/json" },
+        method: "PUT",
+      });
+      const res2 = await updateSettingsViaHandler(req2, db);
+      expect(res2.status).toBe(200);
+      const body = (await res2.json()) as SettingsData;
+      expect(body.theme).toBe("dark");
+      expect(body.defaultModels).toEqual({ videoGeneration: "model-v" });
+    });
+  });
 });

tests/web/features/settings/SettingsPage.test.tsx

@@ -9,10 +9,15 @@ function mockSettingsResponse(theme = "system", compact = false): Response {
   return jsonResponse({ compact, theme });
 }
 
+function mockEmptyModelsResponse(): Response {
+  return jsonResponse({ items: [], page: 1, pageSize: 200, total: 0 });
+}
+
 describe("SettingsPage", () => {
   test("渲染主题卡片", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -24,6 +29,7 @@ describe("SettingsPage", () => {
   test("渲染主题模式 Radio.Group 选项", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -37,6 +43,7 @@ describe("SettingsPage", () => {
   test("渲染紧凑模式标签和开关", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -48,6 +55,7 @@ describe("SettingsPage", () => {
   test("渲染水平表单结构", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -60,6 +68,7 @@ describe("SettingsPage", () => {
   test("不再使用 Segmented", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -71,6 +80,7 @@ describe("SettingsPage", () => {
   test("不显示保存状态文本(已迁移到 toast)", () => {
     installFetchMock((call) => {
       if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
       return jsonResponse({});
     });
 
@@ -92,4 +102,16 @@ describe("SettingsPage", () => {
       expect(radioGroup).not.toBeNull();
     });
   });
+
+  test("渲染模型卡片标题", () => {
+    installFetchMock((call) => {
+      if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
+      return jsonResponse({});
+    });
+
+    renderWithProviders(createElement(SettingsPage));
+
+    expect(screen.getByText("模型")).not.toBeNull();
+  });
 });

tests/web/features/settings/components/ModelSettingsCard.test.tsx

@@ -0,0 +1,67 @@
+import { describe, expect, test } from "bun:test";
+import { screen, waitFor } from "@testing-library/react";
+import { createElement } from "react";
+
+import { ModelSettingsCard } from "../../../../../src/web/features/settings/components/ModelSettingsCard";
+import { installFetchMock, jsonResponse, renderWithProviders } from "../../../test-utils";
+
+function mockSettingsResponse(defaultModels?: Record<string, string | null>): Response {
+  return jsonResponse({ compact: false, defaultModels, theme: "system" });
+}
+
+function mockModelsResponse(items: Array<{ id: string; name: string }>): Response {
+  return jsonResponse({
+    items: items.map((m) => ({ ...m, capabilities: [], createdAt: "", externalId: "", providerId: "", updatedAt: "" })),
+    page: 1,
+    pageSize: 200,
+    total: items.length,
+  });
+}
+
+function mockEmptyModelsResponse(): Response {
+  return mockModelsResponse([]);
+}
+
+describe("ModelSettingsCard", () => {
+  test("渲染 7 个模型能力配置项", async () => {
+    installFetchMock((call) => {
+      if (call.url.includes("/api/settings")) return mockSettingsResponse();
+      if (call.url.includes("/api/models")) return mockEmptyModelsResponse();
+      return jsonResponse({});
+    });
+
+    renderWithProviders(createElement(ModelSettingsCard));
+
+    await waitFor(() => {
+      expect(screen.getByText("文本")).not.toBeNull();
+      expect(screen.getByText("图片识别")).not.toBeNull();
+      expect(screen.getByText("音频识别")).not.toBeNull();
+      expect(screen.getByText("视频识别")).not.toBeNull();
+      expect(screen.getByText("图片生成")).not.toBeNull();
+      expect(screen.getByText("音频生成")).not.toBeNull();
+      expect(screen.getByText("视频生成")).not.toBeNull();
+    });
+  });
+
+  test("回显已保存的默认模型值", async () => {
+    installFetchMock((call) => {
+      if (call.url.includes("/api/settings")) {
+        return mockSettingsResponse({ imageRecognition: "model-b", text: "model-a" });
+      }
+      if (call.url.includes("/api/models")) {
+        return mockModelsResponse([
+          { id: "model-a", name: "GPT-4" },
+          { id: "model-b", name: "Claude Vision" },
+        ]);
+      }
+      return jsonResponse({});
+    });
+
+    renderWithProviders(createElement(ModelSettingsCard));
+
+    await waitFor(() => {
+      expect(screen.getByText("GPT-4")).not.toBeNull();
+      expect(screen.getByText("Claude Vision")).not.toBeNull();
+    });
+  });
+});