refactor: 简化模型管理，移除启用/禁用，优化测试和布局

- 移除供应商/模型启用禁用能力，清理DB schema/migration/API/前端
- 供应商测试改为Base URL连通性+/models探测
- 新增POST /api/models/test模型连接测试
- 新增GET /api/providers/options专用供应商选项接口
- 统一工具栏为ModelsToolbar，参考项目管理布局
- 模型弹窗优化：默认能力、响应式3列标签、并排数值
- 前后端正整数校验、供应商下拉loading/error/empty状态
- 表格列宽统一，操作列/名称列固定宽度

tests/web/components/ProviderTable.test.tsx

@@ -7,22 +7,20 @@ import type { Provider } from "../../../src/shared/api";
 import { ProviderTable } from "../../../src/web/pages/models/components/ProviderTable";
 import { renderWithProviders } from "../test-utils";
 
-const ENABLED_PROVIDER: Provider = {
+const OPENAI_PROVIDER: Provider = {
   apiKey: "sk-test",
   baseUrl: "https://api.openai.com/v1",
   createdAt: "2024-01-01T00:00:00.000Z",
-  enabled: true,
   id: "pv1",
   name: "OpenAI",
   type: "openai",
   updatedAt: "2024-01-01T00:00:00.000Z",
 };
 
-const DISABLED_PROVIDER: Provider = {
+const DEEPSEEK_PROVIDER: Provider = {
   apiKey: "sk-off",
   baseUrl: "https://api.deepseek.com/v1",
   createdAt: "2024-01-01T00:00:00.000Z",
-  enabled: false,
   id: "pv2",
   name: "DeepSeek",
   type: "openai-compatible",
@@ -38,14 +36,11 @@ describe("ProviderTable", () => {
   test("渲染供应商表格数据", () => {
     renderWithProviders(
       createElement(ProviderTable, {
-        data: { items: [ENABLED_PROVIDER, DISABLED_PROVIDER], page: 1, pageSize: 20, total: 2 },
+        data: { items: [OPENAI_PROVIDER, DEEPSEEK_PROVIDER], page: 1, pageSize: 20, total: 2 },
         loading: false,
         onDelete: () => Promise.resolve(),
-        onDisable: () => Promise.resolve(),
         onEdit: () => undefined,
-        onEnable: () => Promise.resolve(),
         onPageChange: () => undefined,
-        onTest: () => Promise.resolve({ message: "ok", ok: true }),
         page: 1,
         pageSize: 20,
       }),
@@ -54,58 +49,33 @@ describe("ProviderTable", () => {
     expect(screen.getAllByText("OpenAI").length).toBeGreaterThan(0);
     expect(screen.getByText("DeepSeek")).not.toBeNull();
     expect(screen.getByText("https://api.openai.com/v1")).not.toBeNull();
+    expect(screen.queryByText("状态")).toBeNull();
+    expect(screen.queryByRole("button", { name: "测试连接" })).toBeNull();
+    expect(screen.queryByRole("button", { name: /启用|禁用/ })).toBeNull();
   });
 
-  test("供应商表格操作触发 enable/disable/delete", async () => {
-    const onDisable = mock(() => Promise.resolve());
-    const onEnable = mock(() => Promise.resolve());
+  test("供应商表格操作触发 edit/delete", async () => {
     const onDelete = mock(() => Promise.resolve());
+    const onEdit = mock(() => undefined);
 
     renderWithProviders(
       createElement(ProviderTable, {
-        data: { items: [ENABLED_PROVIDER, DISABLED_PROVIDER], page: 1, pageSize: 20, total: 2 },
+        data: { items: [OPENAI_PROVIDER, DEEPSEEK_PROVIDER], page: 1, pageSize: 20, total: 2 },
         loading: false,
         onDelete,
-        onDisable,
-        onEdit: () => undefined,
-        onEnable,
+        onEdit,
         onPageChange: () => undefined,
-        onTest: () => Promise.resolve({ message: "ok", ok: true }),
         page: 1,
         pageSize: 20,
       }),
     );
 
-    const disableButtons = screen.getAllByRole("button", { name: /禁用/ });
-    fireEvent.click(disableButtons[0]!);
-    await waitFor(() => expect(screen.getByText("确认禁用此供应商？")).not.toBeNull());
+    fireEvent.click(screen.getAllByRole("button", { name: /编辑/ })[0]!);
+    expect(onEdit).toHaveBeenCalledWith(OPENAI_PROVIDER);
+
+    fireEvent.click(screen.getAllByRole("button", { name: /删除/ })[0]!);
+    await waitFor(() => expect(screen.getByText("确认删除此供应商？")).not.toBeNull());
     clickLatestConfirmButton();
-    await waitFor(() => expect(onDisable).toHaveBeenCalledWith("pv1"));
-
-    const enableButtons = screen.getAllByRole("button", { name: /启用/ });
-    fireEvent.click(enableButtons[0]!);
-    await waitFor(() => expect(onEnable).toHaveBeenCalledWith("pv2"));
-  });
-
-  test("供应商表格操作触发连接测试", async () => {
-    const onTest = mock(() => Promise.resolve({ message: "连接失败", ok: false }));
-
-    renderWithProviders(
-      createElement(ProviderTable, {
-        data: { items: [ENABLED_PROVIDER], page: 1, pageSize: 20, total: 1 },
-        loading: false,
-        onDelete: () => Promise.resolve(),
-        onDisable: () => Promise.resolve(),
-        onEdit: () => undefined,
-        onEnable: () => Promise.resolve(),
-        onPageChange: () => undefined,
-        onTest,
-        page: 1,
-        pageSize: 20,
-      }),
-    );
-
-    fireEvent.click(screen.getByRole("button", { name: "测试连接" }));
-    await waitFor(() => expect(onTest).toHaveBeenCalledWith("pv1"));
+    await waitFor(() => expect(onDelete).toHaveBeenCalledWith("pv1"));
   });
 });