feat: add model connectivity tests and harden cursor heartbeats

2026-10-04 02:40:50 +08:00 · 2026-08-24 09:57:28 +08:00
parent 6170778de9
commit 81a1afdae9
24 changed files with 790 additions and 111 deletions
@@ -1128,7 +1128,7 @@ checksum = "52560adf09603e58c9a7ee1fe1dcb95a16927b17c127f0ac02d6e768a0e25bc1"

 [[package]]
 name = "cursor-byok-desktop"
-version = "0.1.0-beta.3"
+version = "0.1.0-beta.4"
 dependencies = [
 "axum",
 "cursor-server",
@@ -1,12 +1,12 @@
 {
  "name": "cursor-byok-desktop",
-  "version": "0.1.0-beta.3",
+  "version": "0.1.0-beta.4",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "cursor-byok-desktop",
-      "version": "0.1.0-beta.3",
+      "version": "0.1.0-beta.4",
      "license": "MIT",
      "dependencies": {
        "@floating-ui/dom": "^1.8.0",
@@ -1,6 +1,6 @@
 {
  "name": "cursor-byok-desktop",
-  "version": "0.1.0-beta.3",
+  "version": "0.1.0-beta.4",
  "description": "Cursor BYOK desktop management application",
  "type": "module",
  "scripts": {
@@ -1,6 +1,6 @@
 [package]
 name = "cursor-byok-desktop"
-version = "0.1.0-beta.3"
+version = "0.1.0-beta.4"
 edition = "2021"
 publish = false

@@ -1,7 +1,7 @@
 {
  "$schema": "https://schema.tauri.app/config/2",
  "productName": "Cursor BYOK",
-  "version": "0.1.0-beta.3",
+  "version": "0.1.0-beta.4",
  "identifier": "dev.cursorbyok.desktop",
  "build": {
    "beforeDevCommand": "npm run dev",
@@ -56,6 +56,15 @@ export interface ModelInput {
  supports_image_generation: boolean;
 }

+export interface ModelConnectivityResult {
+  duration_ms: number;
+  first_text_ms: number | null;
+  output_tokens: number;
+  tokens_per_second: number;
+  tokens_estimated: boolean;
+  output: string;
+}
+
 export type CaState = "missing" | "untrusted" | "ready" | "invalid" | "unsupported";
 export type IntegrationState = "disabled" | "enabled" | "degraded";
 export interface CursorHarnessStatus {
@@ -221,7 +230,14 @@ async function request<T>(path: string, init?: RequestInit): Promise<T> {
    throw new Error(t("无法连接本地管理服务"), { cause });
  }
  if (!response.ok) {
-    const message = await response.text();
+    const body = await response.text();
+    let message = body;
+    try {
+      const parsed = JSON.parse(body) as { message?: unknown };
+      if (typeof parsed.message === "string") message = parsed.message;
+    } catch {
+      // Plain-text errors are already suitable for display.
+    }
    throw new Error(message || `${response.status} ${response.statusText}`);
  }
  if (response.status === 204) return undefined as T;
@@ -248,6 +264,7 @@ export const api = {
  models: () => request<Model[]>("/models"),
  updateModel: (hash: string, model: ModelInput) => request<Model>(`/models/${hash}`, { method: "PUT", body: JSON.stringify(model) }),
  deleteModel: (hash: string) => request<void>(`/models/${hash}`, { method: "DELETE" }),
+  testModel: (hash: string) => request<ModelConnectivityResult>(`/models/${hash}/test`, { method: "POST" }),
  overview: (filter?: { startMs: number; endMs: number; modelHashes?: string[]; providerIds?: number[] }) => {
    const params = new URLSearchParams();
    if (filter) {
@@ -0,0 +1,35 @@
+import type { ModelConnectivityResult } from "../../api";
+import { Icon } from "../ui/Icon";
+import { TooltipTrigger } from "../ui/TooltipTrigger";
+import { informationOutlineIcon } from "../ui/icons";
+import styles from "./CursorSettings.module.scss";
+
+export type CursorModelTestState =
+  | { status: "success"; result: ModelConnectivityResult }
+  | { status: "error"; error: string };
+
+export function CursorModelTestResult({ state }: { state: CursorModelTestState }) {
+  const success = state.status === "success";
+  const summary = success
+    ? t("速度：{speed} tokens/s", { speed: formatSpeed(state.result.tokens_per_second) })
+    : t("错误：{error}", { error: state.error });
+  const detail = success
+    ? t("速度 {speed} tokens/s · 首字 {firstText} ms · 总耗时 {duration} ms · 输出 {tokens} tokens{estimated} · 返回：{output}", {
+      speed: formatSpeed(state.result.tokens_per_second),
+      firstText: state.result.first_text_ms ?? "--",
+      duration: state.result.duration_ms,
+      tokens: state.result.output_tokens,
+      estimated: state.result.tokens_estimated ? t("（估算）") : "",
+      output: state.result.output || "--",
+    })
+    : t("测试失败：{error}", { error: state.error });
+
+  return <div className={`${styles.testResult} ${success ? styles.testSuccess : styles.testError}`}>
+    <span className={styles.testResultText}>{summary}</span>
+    <TooltipTrigger label={detail}><span className={styles.testResultHint} tabIndex={0}><Icon icon={informationOutlineIcon} size="1.1em" /></span></TooltipTrigger>
+  </div>;
+}
+
+function formatSpeed(value: number) {
+  return Number.isFinite(value) ? value.toFixed(1) : "0.0";
+}
@@ -86,11 +86,46 @@
  display: flex;
  gap: 2px;
 }
+.testResult {
+  min-width: 0;
+  max-width: 220px;
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  font-size: type.$font-size-xs;
+}
+.testSuccess {
+  color: var(--vscode-testing-iconPassed, #73c991);
+}
+.testError {
+  color: var(--vscode-errorForeground, #f48771);
+}
+.testResultText {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.testResultHint {
+  flex: 0 0 auto;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: currentColor;
+  cursor: help;
+  &:focus-visible {
+    outline: 1px solid var(--vscode-focusBorder);
+    outline-offset: 2px;
+  }
+}
 .editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
 }
+.editorTestResult {
+  margin-top: 14px;
+}
 .command {
  margin: 0;
  padding: 10px;
@@ -2,7 +2,7 @@

 .region {
  position: fixed;
-  z-index: 11000;
+  z-index: 16000;
  top: calc(48px + env(safe-area-inset-top));
  right: 0;
  left: 0;
@@ -4,7 +4,7 @@ import { ScrollableContent } from "../virtual/ScrollableContent";
 import controls from "./Controls.module.scss";
 import styles from "./Modal.module.scss";

-export function Modal({ id, open, title, children, busy, wide, onClose, onSubmit, closeLabel = t("取消"), submitLabel = t("保存") }: { id?: string; open: boolean; title: string; children: ReactNode; busy?: boolean; wide?: boolean; onClose: () => void; onSubmit?: () => void; closeLabel?: string; submitLabel?: string }) {
+export function Modal({ id, open, title, children, busy, wide, onClose, onSubmit, secondaryAction, closeLabel = t("取消"), submitLabel = t("保存") }: { id?: string; open: boolean; title: string; children: ReactNode; busy?: boolean; wide?: boolean; onClose: () => void; onSubmit?: () => void; secondaryAction?: ReactNode; closeLabel?: string; submitLabel?: string }) {
  const dialog = useRef<HTMLDivElement>(null);
  const closeRef = useRef(onClose);
  const busyRef = useRef(Boolean(busy));
@@ -29,6 +29,7 @@ export function Modal({ id, open, title, children, busy, wide, onClose, onSubmit
      <ScrollableContent alwaysShowVertical className={styles.body} viewportClassName={styles.bodyViewport} contentClassName={styles.bodyContent}>{children}</ScrollableContent>
      <footer>
        <button type="button" className={controls.primary} disabled={busy} onClick={onClose}>{closeLabel}</button>
+        {secondaryAction}
        {onSubmit && <button type="button" className={controls.primary} disabled={busy} onClick={onSubmit}>{busy ? t("处理中…") : submitLabel}</button>}
      </footer>
    </div>
@@ -92,6 +92,21 @@
        }
      ]
    },
+    "05468af47054d488": {
+      "source": "模型 {model} 连通性测试成功（{duration} ms）",
+      "kind": "template",
+      "placeholders": [
+        "model",
+        "duration"
+      ],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 99,
+          "column": 27
+        }
+      ]
+    },
    "0580e0a99a6f1afc": {
      "source": "工件数",
      "kind": "text",
@@ -175,7 +190,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 180,
+          "line": 256,
          "column": 89
        }
      ]
@@ -334,6 +349,28 @@
        }
      ]
    },
+    "105a9082c346f958": {
+      "source": "测试中…",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 159,
+          "column": 242
+        },
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 199,
+          "column": 205
+        },
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 205,
+          "column": 349
+        }
+      ]
+    },
    "124be3f86f197802": {
      "source": "Token 消耗",
      "kind": "text",
@@ -353,7 +390,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 179,
+          "line": 255,
          "column": 36
        },
        {
@@ -375,6 +412,18 @@
        }
      ]
    },
+    "133340e53175128a": {
+      "source": "一键测试",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 199,
+          "column": 217
+        }
+      ]
+    },
    "13a9ac7a68c5fd96": {
      "source": "CA 仅保存在本机，用于安全解析 Cursor 的 HTTPS 请求。",
      "kind": "text",
@@ -440,17 +489,17 @@
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 144,
+          "line": 202,
          "column": 40
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 144,
+          "line": 202,
          "column": 119
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 147,
+          "line": 205,
          "column": 63
        }
      ]
@@ -515,8 +564,8 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 87,
-          "column": 86
+          "line": 237,
+          "column": 82
        }
      ]
    },
@@ -573,17 +622,17 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 106,
+          "line": 161,
          "column": 32
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 106,
+          "line": 161,
          "column": 119
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 157,
+          "line": 218,
          "column": 44
        }
      ]
@@ -766,7 +815,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 223,
+          "line": 224,
          "column": 14
        }
      ]
@@ -801,16 +850,16 @@
        {
          "file": "components/ui/Modal.tsx",
          "line": 7,
-          "column": 96
+          "column": 113
        },
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 224,
+          "line": 225,
          "column": 19
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 157,
+          "line": 218,
          "column": 67
        },
        {
@@ -877,7 +926,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 165,
+          "line": 226,
          "column": 70
        },
        {
@@ -894,7 +943,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 128,
+          "line": 183,
          "column": 15
        }
      ]
@@ -944,7 +993,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 157,
+          "line": 218,
          "column": 89
        }
      ]
@@ -956,7 +1005,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 225,
+          "line": 226,
          "column": 20
        }
      ]
@@ -1168,7 +1217,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 150,
+          "line": 211,
          "column": 71
        }
      ]
@@ -1243,6 +1292,20 @@
        }
      ]
    },
+    "461d6a57900c2ed7": {
+      "source": "连通性测试失败：{error}",
+      "kind": "template",
+      "placeholders": [
+        "error"
+      ],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 104,
+          "column": 27
+        }
+      ]
+    },
    "470049252e54de6a": {
      "source": "成功占比：{rate}",
      "kind": "template",
@@ -1316,7 +1379,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 73,
+          "line": 74,
          "column": 48
        }
      ]
@@ -1350,7 +1413,7 @@
        },
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 196,
+          "line": 197,
          "column": 67
        }
      ]
@@ -1394,6 +1457,20 @@
        }
      ]
    },
+    "51de3bcec137ab1b": {
+      "source": "全部 {count} 个模型连通性测试成功",
+      "kind": "template",
+      "placeholders": [
+        "count"
+      ],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 147,
+          "column": 11
+        }
+      ]
+    },
    "5228358a6db59fe7": {
      "source": "如：现在、2026-08-23 18:00",
      "kind": "text",
@@ -1478,7 +1555,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 144,
+          "line": 202,
          "column": 52
        }
      ]
@@ -1529,6 +1606,20 @@
        }
      ]
    },
+    "5b17f59d33bde39e": {
+      "source": "错误：{error}",
+      "kind": "template",
+      "placeholders": [
+        "error"
+      ],
+      "refs": [
+        {
+          "file": "components/cursor/CursorModelTestResult.tsx",
+          "line": 15,
+          "column": 7
+        }
+      ]
+    },
    "5c55a67935af8f45": {
      "source": "全部",
      "kind": "text",
@@ -1574,7 +1665,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 229,
+          "line": 230,
          "column": 11
        }
      ]
@@ -1686,7 +1777,7 @@
      "refs": [
        {
          "file": "api.ts",
-          "line": 272,
+          "line": 289,
          "column": 43
        }
      ]
@@ -1703,6 +1794,25 @@
        }
      ]
    },
+    "652ec5d40c29fd6a": {
+      "source": "速度 {speed} tokens/s · 首字 {firstText} ms · 总耗时 {duration} ms · 输出 {tokens} tokens{estimated} · 返回：{output}",
+      "kind": "template",
+      "placeholders": [
+        "speed",
+        "firstText",
+        "duration",
+        "tokens",
+        "estimated",
+        "output"
+      ],
+      "refs": [
+        {
+          "file": "components/cursor/CursorModelTestResult.tsx",
+          "line": 17,
+          "column": 7
+        }
+      ]
+    },
    "653b123c956d3bcb": {
      "source": "调用",
      "kind": "text",
@@ -1777,7 +1887,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 76,
+          "line": 77,
          "column": 47
        }
      ]
@@ -1794,6 +1904,18 @@
        }
      ]
    },
+    "6aa8f49cc992dfd7": {
+      "source": "测试",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 159,
+          "column": 254
+        }
+      ]
+    },
    "6ae80538c2b2572d": {
      "source": "最小化窗口",
      "kind": "text",
@@ -1948,7 +2070,7 @@
      "refs": [
        {
          "file": "api.ts",
-          "line": 267,
+          "line": 284,
          "column": 43
        }
      ]
@@ -1998,7 +2120,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 125,
+          "line": 180,
          "column": 83
        }
      ]
@@ -2087,7 +2209,7 @@
      "refs": [
        {
          "file": "api.ts",
-          "line": 221,
+          "line": 230,
          "column": 21
        }
      ]
@@ -2133,7 +2255,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 174,
+          "line": 250,
          "column": 21
        }
      ]
@@ -2242,7 +2364,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 231,
+          "line": 232,
          "column": 16
        }
      ]
@@ -2268,7 +2390,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 166,
+          "line": 227,
          "column": 87
        },
        {
@@ -2297,7 +2419,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 71,
+          "line": 72,
          "column": 39
        }
      ]
@@ -2333,7 +2455,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 158,
+          "line": 219,
          "column": 11
        }
      ]
@@ -2560,7 +2682,7 @@
        {
          "file": "components/ui/Modal.tsx",
          "line": 7,
-          "column": 119
+          "column": 136
        },
        {
          "file": "pages/SettingsPage.tsx",
@@ -2622,6 +2744,18 @@
        }
      ]
    },
+    "a693d69af48bfe48": {
+      "source": "保存并测试",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 205,
+          "column": 361
+        }
+      ]
+    },
    "a748cc074f78de00": {
      "source": "查看详情",
      "kind": "text",
@@ -2798,12 +2932,12 @@
        },
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 244,
+          "line": 246,
          "column": 64
        },
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 244,
+          "line": 246,
          "column": 125
        }
      ]
@@ -2911,6 +3045,18 @@
        }
      ]
    },
+    "b86967982067d295": {
+      "source": "（估算）",
+      "kind": "text",
+      "placeholders": [],
+      "refs": [
+        {
+          "file": "components/cursor/CursorModelTestResult.tsx",
+          "line": 22,
+          "column": 50
+        }
+      ]
+    },
    "b89a0e4584f27ab5": {
      "source": "打开终端",
      "kind": "text",
@@ -2918,7 +3064,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 150,
+          "line": 211,
          "column": 93
        }
      ]
@@ -2986,6 +3132,21 @@
        }
      ]
    },
+    "baff6c144180b185": {
+      "source": "连通性测试完成：成功 {successful}，失败 {failed}",
+      "kind": "template",
+      "placeholders": [
+        "successful",
+        "failed"
+      ],
+      "refs": [
+        {
+          "file": "pages/CursorSettingsPage.tsx",
+          "line": 148,
+          "column": 11
+        }
+      ]
+    },
    "bb2b7736433ae867": {
      "source": "Cursor 追踪",
      "kind": "text",
@@ -3022,7 +3183,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 236,
+          "line": 237,
          "column": 24
        }
      ]
@@ -3130,17 +3291,17 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 105,
+          "line": 160,
          "column": 32
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 105,
+          "line": 160,
          "column": 95
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 147,
+          "line": 205,
          "column": 51
        }
      ]
@@ -3328,8 +3489,8 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 85,
-          "column": 45
+          "line": 235,
+          "column": 41
        }
      ]
    },
@@ -3352,7 +3513,7 @@
      "refs": [
        {
          "file": "components/ui/Modal.tsx",
-          "line": 32,
+          "line": 33,
          "column": 116
        }
      ]
@@ -3410,7 +3571,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 182,
+          "line": 183,
          "column": 54
        }
      ]
@@ -3422,7 +3583,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 152,
+          "line": 213,
          "column": 18
        }
      ]
@@ -3540,6 +3701,20 @@
        }
      ]
    },
+    "e0fae77446a389a3": {
+      "source": "速度：{speed} tokens/s",
+      "kind": "template",
+      "placeholders": [
+        "speed"
+      ],
+      "refs": [
+        {
+          "file": "components/cursor/CursorModelTestResult.tsx",
+          "line": 14,
+          "column": 7
+        }
+      ]
+    },
    "e1295adecbb77755": {
      "source": "关闭广告",
      "kind": "text",
@@ -3600,6 +3775,20 @@
        }
      ]
    },
+    "e24ebe4a866d69bf": {
+      "source": "测试失败：{error}",
+      "kind": "template",
+      "placeholders": [
+        "error"
+      ],
+      "refs": [
+        {
+          "file": "components/cursor/CursorModelTestResult.tsx",
+          "line": 25,
+          "column": 7
+        }
+      ]
+    },
    "e25bf3f419bb68f0": {
      "source": "调用详细",
      "kind": "text",
@@ -3607,7 +3796,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 72,
+          "line": 73,
          "column": 44
        }
      ]
@@ -3672,8 +3861,8 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 86,
-          "column": 72
+          "line": 236,
+          "column": 68
        }
      ]
    },
@@ -3749,7 +3938,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 153,
+          "line": 214,
          "column": 16
        }
      ]
@@ -3778,7 +3967,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 150,
+          "line": 211,
          "column": 45
        }
      ]
@@ -3790,12 +3979,12 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 77,
+          "line": 78,
          "column": 53
        },
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 146,
+          "line": 204,
          "column": 25
        }
      ]
@@ -3831,7 +4020,7 @@
      "refs": [
        {
          "file": "pages/CursorSettingsPage.tsx",
-          "line": 62,
+          "line": 67,
          "column": 187
        },
        {
@@ -4115,7 +4304,7 @@
      "refs": [
        {
          "file": "layouts/AppLayout.tsx",
-          "line": 74,
+          "line": 75,
          "column": 48
        }
      ]
@@ -5,6 +5,7 @@
  "028a4de61bff743d": "Regular input: {tokens} × ${price}/1M = {cost}",
  "03ff62ab4b818492": "Cache write: {tokens} × ${price}/1M = {cost}",
  "051836569928a9f9": "Edit",
+  "05468af47054d488": "Connectivity test for {model} succeeded ({duration} ms)",
  "0580e0a99a6f1afc": "Artifacts",
  "05912a17829faacc": "All call records and detailed traces will be deleted. Providers, models, CA, and application settings are unaffected. This action cannot be undone.",
  "076832c1b2de22c3": "Cache write: {tokens}",
@@ -22,9 +23,11 @@
  "0d5e2bdb15579fc4": "Messages",
  "0e41f8e3d59ec47b": "Storage management",
  "0ec1e85b0c3cfa65": "Call details",
+  "105a9082c346f958": "Testing…",
  "124be3f86f197802": "Token usage",
  "12ae77e6202d063e": "Custom Headers",
  "12b86e89701b0241": "Enter a model name and press Enter to add it",
+  "133340e53175128a": "Test all",
  "13a9ac7a68c5fd96": "The CA is stored only on this device and is used to securely inspect Cursor HTTPS requests.",
  "13b61c5f697b6700": "Cache hit rate",
  "146da2e2a991493e": "Fetching…",
@@ -83,6 +86,7 @@
  "42a1d9e5b037c210": "Bytes",
  "42aa8e01e98c0d8c": "Total duration",
  "43cb41d62de2d179": "Proxy requires authentication",
+  "461d6a57900c2ed7": "Connectivity test failed: {error}",
  "470049252e54de6a": "Success rate: {rate}",
  "48b970b568a7f8f9": "Proxy settings",
  "48d8db17bae06246": "{count} total",
@@ -93,6 +97,7 @@
  "4d0680f9efaef147": "Unread",
  "4eafa9e925b30bcd": "Custom",
  "51d04bc3d286f018": "Last calendar day",
+  "51de3bcec137ab1b": "Connectivity tests succeeded for all {count} models",
  "5228358a6db59fe7": "For example: now, 2026-08-23 18:00",
  "5401344227e49e2f": "TAB settings",
  "54644705e9c61009": "Port settings",
@@ -103,6 +108,7 @@
  "59346e82b3dd2998": "TAB service address",
  "5a3bd99fa69a40c1": "Use public service",
  "5ae715656ffbc35d": "Merge into the request body for every model from this provider.",
+  "5b17f59d33bde39e": "Error: {error}",
  "5c55a67935af8f45": "All",
  "5d59857bf039cac9": "Cursor Assistant v{version}",
  "5f8d556a9c47da3c": "Launch at login disabled",
@@ -116,6 +122,7 @@
  "63c73c4730f4473e": "Apply",
  "6478a5f1218c484e": "Use the desktop app to copy to the system clipboard",
  "651f274470153a05": "Software updates",
+  "652ec5d40c29fd6a": "Speed {speed} tokens/s · first token {firstText} ms · total {duration} ms · output {tokens} tokens{estimated} · response: {output}",
  "653b123c956d3bcb": "Calls",
  "656ab25e264cc4e4": "No models are available to Cursor yet",
  "65a6318e07ec1e07": "Tools",
@@ -123,6 +130,7 @@
  "68152165b3348852": "Select the request protocol used by this provider.",
  "68ea5dd4d7af20e6": "System settings",
  "6a9906c79f26c0ba": "Start time",
+  "6aa8f49cc992dfd7": "Test",
  "6ae80538c2b2572d": "Minimize window",
  "6d1876364ac6457d": "Proxy mode",
  "6e86570183c3cdd0": "You're up to date",
@@ -183,6 +191,7 @@
  "a3ab741ceb188e9e": "Request content was not recorded. Enable detailed records and try again.",
  "a49ffd73bc85333d": "Average",
  "a621ab606db2a11f": "Password",
+  "a693d69af48bfe48": "Save and test",
  "a748cc074f78de00": "View details",
  "a98585871c5313ff": "Display name",
  "a9ab292ea9feecdc": "Provider",
@@ -201,11 +210,13 @@
  "b710ec36ad312918": "The model service API root URL, for example https://api.openai.com/v1.",
  "b75a46aad3e7c132": "Non-cached input: {tokens}",
  "b79354009c614ae9": "Statistics",
+  "b86967982067d295": " (estimated)",
  "b89a0e4584f27ab5": "Open terminal",
  "b8c9b486c83b5778": "Hide ad",
  "b9670c85a4ab939e": "Route",
  "b97ad406809572e1": "Enable reasoning",
  "b9af2de88d903be7": "Proxy address",
+  "baff6c144180b185": "Connectivity tests completed: {successful} succeeded, {failed} failed",
  "bb2b7736433ae867": "Cursor tracing",
  "bb7efdcb6af6e805": "Default dark",
  "bda62ce1d5e4ace9": "Tell us why",
@@ -245,11 +256,13 @@
  "df8b71c74d9b8478": "Response stream",
  "dfb802238b38fbd4": "Enabled",
  "e025f1ff71996425": "Set",
+  "e0fae77446a389a3": "Speed: {speed} tokens/s",
  "e1295adecbb77755": "Close ad",
  "e14115de7f7c5795": "Token usage over the past year",
  "e14a5eee9b0b0f9f": "Whether the model declares reasoning support.",
  "e14f20d572c02611": "Provider call sequence",
  "e18516550b9a5105": "No usage",
+  "e24ebe4a866d69bf": "Test failed: {error}",
  "e25bf3f419bb68f0": "Call history",
  "e3fee05f688708b4": "LLM calls",
  "e5043c7a2b408271": "Last 10 minutes",
@@ -5,6 +5,7 @@
  "028a4de61bff743d": "普通输入：{tokens} × ${price}/1M = {cost}",
  "03ff62ab4b818492": "缓存写入：{tokens} × ${price}/1M = {cost}",
  "051836569928a9f9": "编辑",
+  "05468af47054d488": "模型 {model} 连通性测试成功（{duration} ms）",
  "0580e0a99a6f1afc": "工件数",
  "05912a17829faacc": "所有调用记录和详细追踪数据都会被删除。供应商、模型、CA 和应用设置不会受到影响，此操作无法撤销。",
  "076832c1b2de22c3": "缓存写入：{tokens}",
@@ -22,9 +23,11 @@
  "0d5e2bdb15579fc4": "消息数",
  "0e41f8e3d59ec47b": "存储管理",
  "0ec1e85b0c3cfa65": "调用详情",
+  "105a9082c346f958": "测试中…",
  "124be3f86f197802": "Token 消耗",
  "12ae77e6202d063e": "自定义 Headers",
  "12b86e89701b0241": "输入模型名称后按 Enter 添加",
+  "133340e53175128a": "一键测试",
  "13a9ac7a68c5fd96": "CA 仅保存在本机，用于安全解析 Cursor 的 HTTPS 请求。",
  "13b61c5f697b6700": "缓存命中率",
  "146da2e2a991493e": "获取中…",
@@ -83,6 +86,7 @@
  "42a1d9e5b037c210": "字节数",
  "42aa8e01e98c0d8c": "总耗时",
  "43cb41d62de2d179": "代理需要认证",
+  "461d6a57900c2ed7": "连通性测试失败：{error}",
  "470049252e54de6a": "成功占比：{rate}",
  "48b970b568a7f8f9": "代理设置",
  "48d8db17bae06246": "共 {count} 条",
@@ -93,6 +97,7 @@
  "4d0680f9efaef147": "未读",
  "4eafa9e925b30bcd": "自定义",
  "51d04bc3d286f018": "近1自然日",
+  "51de3bcec137ab1b": "全部 {count} 个模型连通性测试成功",
  "5228358a6db59fe7": "如：现在、2026-08-23 18:00",
  "5401344227e49e2f": "TAB 设置",
  "54644705e9c61009": "端口设置",
@@ -103,6 +108,7 @@
  "59346e82b3dd2998": "TAB 服务地址",
  "5a3bd99fa69a40c1": "使用公益服务",
  "5ae715656ffbc35d": "合并到该上游所有模型的请求体。",
+  "5b17f59d33bde39e": "错误：{error}",
  "5c55a67935af8f45": "全部",
  "5d59857bf039cac9": "Cursor 助手 v{version}",
  "5f8d556a9c47da3c": "已关闭开机启动",
@@ -116,6 +122,7 @@
  "63c73c4730f4473e": "应用",
  "6478a5f1218c484e": "请在桌面应用中复制到系统剪贴板",
  "651f274470153a05": "软件更新",
+  "652ec5d40c29fd6a": "速度 {speed} tokens/s · 首字 {firstText} ms · 总耗时 {duration} ms · 输出 {tokens} tokens{estimated} · 返回：{output}",
  "653b123c956d3bcb": "调用",
  "656ab25e264cc4e4": "还没有可供 Cursor 使用的模型",
  "65a6318e07ec1e07": "工具数",
@@ -123,6 +130,7 @@
  "68152165b3348852": "选择上游服务使用的请求协议。",
  "68ea5dd4d7af20e6": "系统设置",
  "6a9906c79f26c0ba": "开始时间",
+  "6aa8f49cc992dfd7": "测试",
  "6ae80538c2b2572d": "最小化窗口",
  "6d1876364ac6457d": "代理方式",
  "6e86570183c3cdd0": "当前已是最新版本",
@@ -183,6 +191,7 @@
  "a3ab741ceb188e9e": "未记录请求内容，请开启详细记录后重试。",
  "a49ffd73bc85333d": "平均",
  "a621ab606db2a11f": "密码",
+  "a693d69af48bfe48": "保存并测试",
  "a748cc074f78de00": "查看详情",
  "a98585871c5313ff": "显示名称",
  "a9ab292ea9feecdc": "上游",
@@ -201,11 +210,13 @@
  "b710ec36ad312918": "模型服务的 API 根地址，例如 https://api.openai.com/v1。",
  "b75a46aad3e7c132": "非缓存输入：{tokens}",
  "b79354009c614ae9": "统计数据",
+  "b86967982067d295": "（估算）",
  "b89a0e4584f27ab5": "打开终端",
  "b8c9b486c83b5778": "不再显示广告",
  "b9670c85a4ab939e": "路由",
  "b97ad406809572e1": "启用推理",
  "b9af2de88d903be7": "代理地址",
+  "baff6c144180b185": "连通性测试完成：成功 {successful}，失败 {failed}",
  "bb2b7736433ae867": "Cursor 追踪",
  "bb7efdcb6af6e805": "默认暗色",
  "bda62ce1d5e4ace9": "可以告诉我们原因",
@@ -245,11 +256,13 @@
  "df8b71c74d9b8478": "响应流",
  "dfb802238b38fbd4": "已启用",
  "e025f1ff71996425": "已设置",
+  "e0fae77446a389a3": "速度：{speed} tokens/s",
  "e1295adecbb77755": "关闭广告",
  "e14115de7f7c5795": "过去一年的 Token 用量",
  "e14a5eee9b0b0f9f": "是否声明模型支持推理能力。",
  "e14f20d572c02611": "上游调用序号",
  "e18516550b9a5105": "无用量",
+  "e24ebe4a866d69bf": "测试失败：{error}",
  "e25bf3f419bb68f0": "调用详细",
  "e3fee05f688708b4": "LLM 调用",
  "e5043c7a2b408271": "近10分钟",
@@ -48,7 +48,8 @@ export function AppLayout() {
  const { locale } = useI18n();
  const message = useMessage();
  const location = useLocation();
-  const [actionTarget, setActionTarget] = useState<HTMLDivElement | null>(null);
+  const [leftActionTarget, setLeftActionTarget] = useState<HTMLDivElement | null>(null);
+  const [rightActionTarget, setRightActionTarget] = useState<HTMLDivElement | null>(null);
  const [ads, setAds] = useState<AdSlot[]>([]);
  const [activeAd, setActiveAd] = useState<AdSlot | null>(null);
  const [dismissCandidate, setDismissCandidate] = useState<AdSlot | null>(null);
@@ -241,13 +242,14 @@ export function AppLayout() {
    <main className={styles.content}>
      <div className={styles.actionRegion}>
        <Card className={styles.actions}>
+          <div ref={setLeftActionTarget} className={styles.pageActions} />
          {location.pathname !== "/" && <TooltipTrigger label={t("刷新")}><button className={controls.iconButton} aria-label={t("刷新")} disabled={busy} onClick={() => void appStore.refresh()}>
            <Icon className={busy ? controls.spin : ""} icon={refreshIcon} size="1.1em" />
          </button></TooltipTrigger>}
-          <div ref={setActionTarget} className={styles.pageActions} />
+          <div ref={setRightActionTarget} className={styles.pageActions} />
        </Card>
      </div>
-      <PageActionsTarget.Provider value={actionTarget}>
+      <PageActionsTarget.Provider value={{ left: leftActionTarget, right: rightActionTarget }}>
        <KeepAliveRouteOutlet
          activeCacheKey={location.pathname}
          include={keptAlivePages}
@@ -2,10 +2,16 @@ import { createContext, useContext, type ReactNode } from "react";
 import { createPortal } from "react-dom";
 import { useKeepAliveContext } from "keepalive-for-react";

-export const PageActionsTarget = createContext<HTMLElement | null>(null);
+type PageActionsTargets = {
+  left: HTMLElement | null;
+  right: HTMLElement | null;
+};

-export function PageActions({ children }: { children: ReactNode }) {
-  const target = useContext(PageActionsTarget);
+export const PageActionsTarget = createContext<PageActionsTargets>({ left: null, right: null });
+
+export function PageActions({ children, position = "right" }: { children: ReactNode; position?: "left" | "right" }) {
+  const targets = useContext(PageActionsTarget);
  const { active } = useKeepAliveContext();
+  const target = targets[position];
  return active && target ? createPortal(children, target) : null;
 }
@@ -2,6 +2,7 @@ import { useEffect, useMemo, useState } from "react";
 import { api, type Model, type ProviderSelection, type TabSettings } from "../api";
 import { CursorCaGate, CursorCaProvider, CursorModelGate, CursorModelProvider } from "../components/cursor/CursorGates";
 import { CursorModelEditor, emptyCursorModelDraft, type CursorModelDraft } from "../components/cursor/CursorModelEditor";
+import { CursorModelTestResult, type CursorModelTestState } from "../components/cursor/CursorModelTestResult";
 import { TabSettingsCard } from "../components/cursor/TabSettingsCard";
 import styles from "../components/cursor/CursorSettings.module.scss";
 import { PageContent } from "../components/layout/PageContent";
@@ -27,6 +28,10 @@ export function CursorSettingsPage() {
  const [deleting, setDeleting] = useState<Model | null>(null);
  const [tabDraft, setTabDraft] = useState<TabSettings | null>(null);
  const [savingTab, setSavingTab] = useState(false);
+  const [testingModelHashes, setTestingModelHashes] = useState<Set<string>>(() => new Set());
+  const [modelTestResults, setModelTestResults] = useState<Map<string, CursorModelTestState>>(() => new Map());
+  const [savingAndTesting, setSavingAndTesting] = useState(false);
+  const [batchTesting, setBatchTesting] = useState(false);
  const grouped = useMemo(() => providers.map((provider) => ({ provider, models: models.filter((model) => model.provider_id === provider.provider_id) })).filter((group) => group.models.length > 0), [providers, models]);
  const caReady = cursorHarness?.ca === "ready";
  useEffect(() => {
@@ -79,29 +84,79 @@ export function CursorSettingsPage() {
  const save = async () => {
    if (!draft) return;
    try {
-      const modelIds = editing
-        ? [draft.model.model_id.trim()]
-        : [...new Set(draft.modelIds.map((modelId) => modelId.trim()).filter(Boolean))];
-      if (!modelIds.length) throw new Error(t("请至少选择或输入一个模型"));
-      if (editing && !draft.model.display_name.trim()) throw new Error(t("Model ID 和显示名称不能为空"));
-      if (draft.customRequestUrl && !draft.model.request_url.trim()) throw new Error(t("请求完整地址不能为空"));
-      const modelInputs = modelIds.map((modelId, index) => ({
-        ...draft.model,
-        model_id: modelId,
-        display_name: modelIds.length === 1 ? draft.model.display_name.trim() || modelId : modelId,
-        sort_order: draft.model.sort_order + index,
-      }));
-      const ok = editing
+      const modelInputs = cursorModelInputs(draft, editing !== null);
+      const saved = editing
        ? await appStore.updateCursorModel(editing.model_hash, modelInputs[0])
        : await appStore.createCursorModels(providerSelection(draft), modelInputs);
-      if (ok) { setDraft(null); setEditing(null); }
+      if (saved) { setDraft(null); setEditing(null); }
    } catch (cause) { message(cause instanceof Error ? cause.message : String(cause)); }
  };
+  const testModel = async (model: Model, notify = true) => {
+    setTestingModelHashes((current) => new Set(current).add(model.model_hash));
+    try {
+      const result = await api.testModel(model.model_hash);
+      setModelTestResults((current) => new Map(current).set(model.model_hash, { status: "success", result }));
+      if (notify) message(t("模型 {model} 连通性测试成功（{duration} ms）", { model: model.display_name, duration: result.duration_ms }));
+      return true;
+    } catch (cause) {
+      const error = cause instanceof Error ? cause.message : String(cause);
+      setModelTestResults((current) => new Map(current).set(model.model_hash, { status: "error", error }));
+      if (notify) message(t("连通性测试失败：{error}", { error }), { duration: 5000 });
+      return false;
+    } finally {
+      setTestingModelHashes((current) => {
+        const next = new Set(current);
+        next.delete(model.model_hash);
+        return next;
+      });
+    }
+  };
+  const testSingleModel = async (model: Model) => {
+    await testModel(model);
+    await appStore.refresh();
+  };
+  const saveAndTest = async () => {
+    if (!draft || !editing) return;
+    setSavingAndTesting(true);
+    try {
+      const [input] = cursorModelInputs(draft, true);
+      const saved = await appStore.updateCursorModel(editing.model_hash, input);
+      if (!saved) {
+        const error = appStore.getSnapshot().error;
+        if (error) message(error);
+        return;
+      }
+      setEditing(saved);
+      await testSingleModel(saved);
+    } catch (cause) {
+      message(cause instanceof Error ? cause.message : String(cause));
+    } finally {
+      setSavingAndTesting(false);
+    }
+  };
+  const testAllModels = async () => {
+    if (!models.length || batchTesting) return;
+    const targets = [...models];
+    setBatchTesting(true);
+    try {
+      const results = await Promise.all(targets.map((model) => testModel(model, false)));
+      await appStore.refresh();
+      const successful = results.filter(Boolean).length;
+      const failed = targets.length - successful;
+      message(failed === 0
+        ? t("全部 {count} 个模型连通性测试成功", { count: targets.length })
+        : t("连通性测试完成：成功 {successful}，失败 {failed}", { successful, failed }), { duration: failed === 0 ? 2400 : 5000 });
+    } finally {
+      setBatchTesting(false);
+    }
+  };
  const list = <div className={styles.groups}>{grouped.map(({ provider, models: childModels }) => <TitledCard key={provider.provider_id} title={<div className={styles.providerTitle}><Icon icon={provider.provider_type === "anthropic" ? claudeIcon : openAiIcon} /><span>{provider.name}</span></div>}>
    <div className={styles.models}>{childModels.map((model) => <div className={styles.modelRow} key={model.model_hash}>
      <div className={styles.modelName}><strong>{model.display_name}</strong><small>{model.model_id} · {model.model_hash}</small></div>
      {/* <span className={styles.badge}>{model.enabled ? t("已启用") : t("已停用")}</span> */}
+      {modelTestResults.get(model.model_hash) && <CursorModelTestResult state={modelTestResults.get(model.model_hash)!} />}
      <div className={styles.rowActions}>
+        <button type="button" className={`${controls.secondary} ${controls.small}`} disabled={testingModelHashes.size > 0 || cursorBusy || batchTesting} onClick={() => void testSingleModel(model)}>{testingModelHashes.has(model.model_hash) ? t("测试中…") : t("测试")}</button>
        <TooltipTrigger label={t("编辑模型")}><button className={controls.iconButton} aria-label={t("编辑模型")} onClick={() => openEdit(model)}><Icon icon={editIcon} size="1.1em" /></button></TooltipTrigger>
        <TooltipTrigger label={t("删除模型")}><button className={`${controls.iconButton} ${controls.danger}`} aria-label={t("删除模型")} onClick={() => setDeleting(model)}><Icon icon={trashIcon} size="1.1em" /></button></TooltipTrigger>
      </div>
@@ -140,12 +195,18 @@ export function CursorSettingsPage() {
  </CursorCaGate></CursorCaProvider>;

  return <>
+    {models.length > 0 && <PageActions position="left">
+      <button type="button" className={controls.secondary} disabled={cursorBusy || testingModelHashes.size > 0 || batchTesting} onClick={() => void testAllModels()}>{batchTesting ? t("测试中…") : t("一键测试")}</button>
+    </PageActions>}
    <PageActions>
      <TooltipTrigger label={caReady ? t("添加模型") : t("请先初始化 CA")}><button className={controls.iconButton} aria-label={t("添加模型")} disabled={!caReady || cursorBusy} onClick={openNew}><Icon icon={addIcon} size="1.1em" /></button></TooltipTrigger>
    </PageActions>
    <PageContent title={t("Cursor 设置")} sections={[{ key: "cursor-settings", estimatedHeight: Math.max(430, models.length * 55 + grouped.length * 62 + 145), content }]} />
-    <Modal open={draft !== null} title={editing ? t("编辑模型") : t("添加模型")} busy={cursorBusy} onClose={() => setDraft(null)} onSubmit={() => void save()}>
-      {draft && <CursorModelEditor draft={draft} providers={providers} editing={editing !== null} modelOptions={modelOptions} discovering={discovering} onChange={setDraft} onDiscover={() => void discover()} />}
+    <Modal open={draft !== null} title={editing ? t("编辑模型") : t("添加模型")} busy={cursorBusy || savingAndTesting} onClose={() => setDraft(null)} onSubmit={() => void save()} secondaryAction={editing ? <button type="button" className={controls.secondary} disabled={cursorBusy || savingAndTesting} onClick={() => void saveAndTest()}>{savingAndTesting ? t("测试中…") : t("保存并测试")}</button> : undefined}>
+      {draft && <>
+        <CursorModelEditor draft={draft} providers={providers} editing={editing !== null} modelOptions={modelOptions} discovering={discovering} onChange={setDraft} onDiscover={() => void discover()} />
+        {editing && modelTestResults.get(editing.model_hash) && <div className={styles.editorTestResult}><CursorModelTestResult state={modelTestResults.get(editing.model_hash)!} /></div>}
+      </>}
    </Modal>
    <Modal open={caCommand !== null} title={t("安装本地 CA")} closeLabel={t("关闭")} submitLabel={t("打开终端")} onClose={() => setCaCommand(null)} onSubmit={openCaTerminal}>
      <div className={styles.editor}>
@@ -167,6 +228,21 @@ function parseObject(text: string, label: string): Record<string, unknown> {
  return parsed as Record<string, unknown>;
 }

+function cursorModelInputs(draft: CursorModelDraft, editing: boolean) {
+  const modelIds = editing
+    ? [draft.model.model_id.trim()]
+    : [...new Set(draft.modelIds.map((modelId) => modelId.trim()).filter(Boolean))];
+  if (!modelIds.length) throw new Error(t("请至少选择或输入一个模型"));
+  if (editing && !draft.model.display_name.trim()) throw new Error(t("Model ID 和显示名称不能为空"));
+  if (draft.customRequestUrl && !draft.model.request_url.trim()) throw new Error(t("请求完整地址不能为空"));
+  return modelIds.map((modelId, index) => ({
+    ...draft.model,
+    model_id: modelId,
+    display_name: modelIds.length === 1 ? draft.model.display_name.trim() || modelId : modelId,
+    sort_order: draft.model.sort_order + index,
+  }));
+}
+
 function providerName(baseUrl: string): string {
  try {
    return new URL(baseUrl.trim()).hostname;
@@ -198,12 +198,12 @@ export const appStore = {
  async updateCursorModel(hash: string, model: ModelInput) {
    update({ cursorBusy: true, error: null });
    try {
-      await api.updateModel(hash, model);
+      const updated = await api.updateModel(hash, model);
      await appStore.refresh();
-      return true;
+      return updated;
    } catch (cause) {
      update({ error: cause instanceof Error ? cause.message : String(cause) });
-      return false;
+      return null;
    } finally { update({ cursorBusy: false }); }
  },

@@ -41,8 +41,9 @@ impl App {
            config.provider_request_timeout,
        ));
        let run_registry = RunRegistry::default();
-        let registry = CursorSessionRegistry::new(store.clone(), provider, compiler, run_registry);
-        let control = control::ControlService::new(store.clone())?;
+        let registry =
+            CursorSessionRegistry::new(store.clone(), provider.clone(), compiler, run_registry);
+        let control = control::ControlService::new(store.clone(), provider)?;
        let harness = control.cursor_harness().clone();
        let mut router = handlers::router(registry.clone())?;
        router = match &config.console {
@@ -22,7 +22,8 @@ use tower_http::{
 use url::{Host, Url};

 pub use service::{
-    CallDetail, CallSummary, ControlService, DiscoveredModels, ObservabilitySettings,
+    CallDetail, CallSummary, ControlService, DiscoveredModels, ModelConnectivityResult,
+    ObservabilitySettings,
 };

 pub fn web_router(service: ControlService, assets: impl AsRef<std::path::Path>) -> Router {
@@ -137,6 +138,10 @@ pub fn api_router(service: ControlService) -> Router {
            "/__byok-api__/api/models/{model_hash}",
            put(models::update).delete(models::remove),
        )
+        .route(
+            "/__byok-api__/api/models/{model_hash}/test",
+            post(models::test),
+        )
        .route("/__byok-api__/api/llm-calls", get(calls::list))
        .route("/__byok-api__/api/llm-calls/{call_id}", get(calls::detail))
        .route(
@@ -246,7 +251,11 @@ mod tests {
        ))
        .await
        .unwrap();
-        let router = api_router(ControlService::new(store).unwrap());
+        let provider = std::sync::Arc::new(crate::provider::ProviderRouter::new(
+            store.clone(),
+            std::time::Duration::from_secs(300),
+        ));
+        let router = api_router(ControlService::new(store, provider).unwrap());

        let response = router
            .clone()
@@ -10,7 +10,7 @@ use crate::{
    Result,
 };

-use super::{ControlService, DiscoveredModels};
+use super::{ControlService, DiscoveredModels, ModelConnectivityResult};

 #[derive(Deserialize)]
 pub struct SaveModels {
@@ -48,6 +48,13 @@ pub async fn update(
    Ok(Json(service.update_model(&model_hash, &input).await?))
 }

+pub async fn test(
+    State(service): State<ControlService>,
+    Path(model_hash): Path<String>,
+) -> Result<Json<ModelConnectivityResult>> {
+    Ok(Json(service.test_model(&model_hash).await?))
+}
+
 pub async fn discover(
    State(service): State<ControlService>,
    Path(provider_id): Path<i64>,
@@ -1,8 +1,10 @@
-use std::collections::BTreeSet;
+use std::{collections::BTreeSet, sync::Arc, time::Instant};

 use base64::{engine::general_purpose::STANDARD, Engine};
+use futures_util::StreamExt;
 use reqwest::header::{HeaderName, HeaderValue};
 use serde::{Deserialize, Serialize};
+use tokio_util::sync::CancellationToken;
 use url::Url;

 use super::ads::{
@@ -13,10 +15,12 @@ use super::ads::{
 use crate::{
    harness::CursorHarness,
    model::{
-        CursorRunTraceArtifact, CursorRunTraceSummary, LlmCallRequest, LlmCallResponseChunk,
-        LlmCallSummary, Overview, ProviderEndpoint, ProviderEndpointInput, ProviderEndpointSecret,
-        ProviderModel, ProviderModelInput, ProviderType,
+        ContentPart, CursorRunTraceArtifact, CursorRunTraceSummary, LlmCallRequest,
+        LlmCallResponseChunk, LlmCallSummary, ModelInvocation, ModelRequest, ModelSpec, Overview,
+        ProjectedContent, ProjectedMessage, PromptSpec, ProviderEndpoint, ProviderEndpointInput,
+        ProviderEndpointSecret, ProviderModel, ProviderModelInput, ProviderType, Role,
    },
+    provider::{ModelEvent, Provider},
    store::{
        PortSettings, ProxySettings, ProxySettingsInput, StatisticsStorage, Store, TabSettings,
    },
@@ -27,6 +31,7 @@ use crate::{
 pub struct ControlService {
    store: Store,
    cursor_harness: CursorHarness,
+    provider: Arc<dyn Provider>,
 }

 #[derive(Clone, Debug, Serialize)]
@@ -34,6 +39,16 @@ pub struct DiscoveredModels {
    pub models: Vec<String>,
 }

+#[derive(Clone, Debug, Serialize)]
+pub struct ModelConnectivityResult {
+    pub duration_ms: u64,
+    pub first_text_ms: Option<u64>,
+    pub output_tokens: u64,
+    pub tokens_per_second: f64,
+    pub tokens_estimated: bool,
+    pub output: String,
+}
+
 #[derive(Clone, Debug, Serialize)]
 pub struct CallDetail {
    pub call: CallSummary,
@@ -74,10 +89,11 @@ pub struct ObservabilitySettings {
 }

 impl ControlService {
-    pub fn new(store: Store) -> Result<Self> {
+    pub fn new(store: Store, provider: Arc<dyn Provider>) -> Result<Self> {
        Ok(Self {
            cursor_harness: CursorHarness::new(store.clone())?,
            store,
+            provider,
        })
    }

@@ -202,6 +218,125 @@ impl ControlService {
        self.store.update_provider_model(model_hash, input).await
    }

+    pub async fn test_model(&self, model_hash: &str) -> Result<ModelConnectivityResult> {
+        const TEST_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(45);
+        const TEST_PROMPT: &str = "Output the numbers 1 through 120 separated by a single space. No commas, no newlines, no explanation.";
+
+        let configured = self
+            .store
+            .provider_model(model_hash)
+            .await?
+            .ok_or_else(|| Error::RunNotFound(format!("model {model_hash}")))?;
+        let mut model = ModelSpec::new(model_hash);
+        if configured.reasoning_enabled {
+            model.reasoning.enabled = true;
+            model.reasoning.effort = Some(
+                configured
+                    .reasoning_effort
+                    .filter(|effort| !effort.trim().is_empty())
+                    .unwrap_or_else(|| "medium".into()),
+            );
+        }
+        let test_id = format!("model-test-{}", uuid::Uuid::new_v4());
+        let call_id = test_id.clone();
+        let invocation = ModelInvocation {
+            call_id: test_id.clone(),
+            run_id: test_id.clone(),
+            conversation_id: test_id,
+            provider_call_index: 0,
+            request: ModelRequest {
+                prompt: PromptSpec {
+                    instructions: String::new(),
+                    tools: Vec::new(),
+                },
+                model,
+                history: vec![ProjectedMessage {
+                    message_id: "connectivity-test".into(),
+                    role: Role::User,
+                    content: ProjectedContent::Parts(vec![ContentPart::Text {
+                        text: TEST_PROMPT.into(),
+                    }]),
+                }],
+            },
+        };
+        let cancellation = CancellationToken::new();
+        let started = Instant::now();
+        let mut first_text_at = None;
+        let mut output_tokens = None;
+        let mut output = String::new();
+        let stream = self.provider.stream(invocation, cancellation.clone());
+        let completed = tokio::time::timeout(TEST_TIMEOUT, async {
+            futures_util::pin_mut!(stream);
+            let mut finished = false;
+            while let Some(event) = stream.next().await {
+                match event? {
+                    ModelEvent::TextDelta(delta) => {
+                        if first_text_at.is_none() && !delta.trim().is_empty() {
+                            first_text_at = Some(Instant::now());
+                        }
+                        output.push_str(&delta);
+                    }
+                    ModelEvent::Usage(usage) => {
+                        if let Some(tokens) = usage.output_tokens.filter(|tokens| *tokens > 0) {
+                            output_tokens = Some(
+                                output_tokens.map_or(tokens, |current: u64| current.max(tokens)),
+                            );
+                        }
+                    }
+                    ModelEvent::Done(_) => finished = true,
+                    _ => {}
+                }
+            }
+            if !finished {
+                return Err(Error::Protocol(
+                    "provider stream ended without Done during connectivity test".into(),
+                ));
+            }
+            Ok(())
+        })
+        .await;
+        match completed {
+            Ok(result) => result?,
+            Err(_) => {
+                cancellation.cancel();
+                self.store
+                    .finish_llm_call(
+                        &call_id,
+                        "error",
+                        None,
+                        started.elapsed().as_millis().min(i64::MAX as u128) as i64,
+                        Some("timeout"),
+                        Some("model connectivity test timed out after 45 seconds"),
+                    )
+                    .await?;
+                return Err(Error::Provider(
+                    "model connectivity test timed out after 45 seconds".into(),
+                ));
+            }
+        }
+        let elapsed = started.elapsed();
+        let output = output.trim().to_string();
+        let tokens_estimated = output_tokens.is_none();
+        let output_tokens = output_tokens.unwrap_or_else(|| estimate_output_tokens(&output));
+        Ok(ModelConnectivityResult {
+            duration_ms: elapsed.as_millis().min(u128::from(u64::MAX)) as u64,
+            first_text_ms: first_text_at.map(|first| {
+                first
+                    .duration_since(started)
+                    .as_millis()
+                    .min(u128::from(u64::MAX)) as u64
+            }),
+            output_tokens,
+            tokens_per_second: if elapsed.is_zero() {
+                0.0
+            } else {
+                output_tokens as f64 / elapsed.as_secs_f64()
+            },
+            tokens_estimated,
+            output,
+        })
+    }
+
    pub async fn create_provider_with_models(
        &self,
        provider: &ProviderEndpointInput,
@@ -553,6 +688,17 @@ fn model_ids(value: &serde_json::Value) -> Vec<String> {
        .collect()
 }

+fn estimate_output_tokens(output: &str) -> u64 {
+    let words = output.split_whitespace().count() as u64;
+    if words > 0 {
+        words
+    } else if output.is_empty() {
+        0
+    } else {
+        ((output.chars().count() as u64) + 3) / 4
+    }
+}
+
 fn apply_custom_headers(
    mut request: reqwest::RequestBuilder,
    headers: &serde_json::Value,
@@ -572,3 +718,124 @@ fn apply_custom_headers(
    }
    Ok(request)
 }
+
+#[cfg(test)]
+mod tests {
+    use std::sync::{Arc, Mutex};
+
+    use tokio_util::sync::CancellationToken;
+
+    use crate::{
+        model::{
+            ModelInvocation, ProjectedContent, ProviderEndpointInput, ProviderModelInput,
+            ProviderType,
+        },
+        provider::{FinishReason, ModelEvent, Provider, ProviderStream},
+        store::Store,
+    };
+
+    use super::ControlService;
+
+    struct TestProvider {
+        invocation: Arc<Mutex<Option<ModelInvocation>>>,
+    }
+
+    impl Provider for TestProvider {
+        fn stream(
+            &self,
+            invocation: ModelInvocation,
+            _cancellation: CancellationToken,
+        ) -> ProviderStream {
+            *self.invocation.lock().unwrap() = Some(invocation);
+            Box::pin(futures_util::stream::iter([
+                Ok(ModelEvent::Start {
+                    model_call_id: "test-call".into(),
+                }),
+                Ok(ModelEvent::TextStart),
+                Ok(ModelEvent::TextDelta("OK".into())),
+                Ok(ModelEvent::TextEnd),
+                Ok(ModelEvent::Usage(crate::model::Usage {
+                    output_tokens: Some(2),
+                    ..Default::default()
+                })),
+                Ok(ModelEvent::Done(FinishReason::Stop)),
+            ]))
+        }
+    }
+
+    #[tokio::test]
+    async fn connectivity_test_uses_the_configured_llm_provider() {
+        let directory = tempfile::tempdir().unwrap();
+        let store = Store::connect(&format!(
+            "sqlite://{}",
+            directory.path().join("control.db").display()
+        ))
+        .await
+        .unwrap();
+        let invocation = Arc::new(Mutex::new(None));
+        let provider = store
+            .create_provider(&ProviderEndpointInput {
+                name: "Test".into(),
+                provider_type: ProviderType::OpenAiResponses,
+                base_url: "https://example.com/v1".into(),
+                api_key: None,
+                custom_headers: serde_json::json!({}),
+                extra_params: serde_json::json!({}),
+            })
+            .await
+            .unwrap();
+        let model = store
+            .save_provider_model(
+                provider.provider_id,
+                &ProviderModelInput {
+                    model_id: "reasoning-model".into(),
+                    display_name: "Reasoning Model".into(),
+                    endpoint_type: ProviderType::OpenAiResponses,
+                    request_url: String::new(),
+                    enabled: true,
+                    sort_order: 0,
+                    context_window_tokens: None,
+                    max_output_tokens: None,
+                    reasoning_enabled: true,
+                    reasoning_effort: None,
+                    supports_image_generation: false,
+                },
+            )
+            .await
+            .unwrap();
+        let service = ControlService::new(
+            store,
+            Arc::new(TestProvider {
+                invocation: invocation.clone(),
+            }),
+        )
+        .unwrap();
+
+        let result = service.test_model(&model.model_hash).await.unwrap();
+
+        assert_eq!(result.output, "OK");
+        assert_eq!(result.output_tokens, 2);
+        assert!(!result.tokens_estimated);
+        assert!(result.tokens_per_second > 0.0);
+        let invocation = invocation.lock().unwrap().clone().unwrap();
+        assert_eq!(invocation.request.model.model_id, model.model_hash);
+        assert!(invocation.request.model.reasoning.enabled);
+        assert_eq!(
+            invocation.request.model.reasoning.effort.as_deref(),
+            Some("medium")
+        );
+        assert!(invocation.request.prompt.tools.is_empty());
+        assert_eq!(invocation.request.history.len(), 1);
+        assert!(matches!(
+            &invocation.request.history[0].content,
+            ProjectedContent::Parts(parts)
+                if matches!(&parts[..], [crate::model::ContentPart::Text { text }] if text == "Output the numbers 1 through 120 separated by a single space. No commas, no newlines, no explanation.")
+        ));
+    }
+
+    #[test]
+    fn connectivity_output_token_estimate_handles_words_and_empty_text() {
+        assert_eq!(super::estimate_output_tokens("1 2 3"), 3);
+        assert_eq!(super::estimate_output_tokens(""), 0);
+    }
+}
@@ -8,7 +8,6 @@ use crate::{
        blob_sync::BlobSynchronizer,
        checkpoint::CheckpointBuilder,
        context_sync::RequestContextSynchronizer,
-        interaction,
        proto::agent::v1 as pb,
        request,
        session::CursorSession,
@@ -273,9 +272,6 @@ impl CursorActor {
                                    )) => {
                                        let _ = blob_sync.handle_client(message).await;
                                    }
-                                    Some(pb::agent_client_message::Message::ClientHeartbeat(_)) => {
-                                        let _ = handle.emit(&interaction::heartbeat());
-                                    }
                                    // TODO: ConversationAction has two different delivery paths that
                                    // must not be conflated:
                                    //
@@ -1,6 +1,7 @@
 use prost::Message;

 use crate::{
+    cursor::interaction,
    cursor::proto::{agent::v1 as agent, aiserver::v1 as ai},
    cursor::{CursorCommand, CursorParent, CursorSessionRegistry},
    Error, Result,
@@ -166,6 +167,12 @@ pub async fn append(
    if let Some(parent) = parent {
        handle.set_parent(parent)?;
    }
+    if matches!(
+        request.message.message.as_ref(),
+        Some(agent::agent_client_message::Message::ClientHeartbeat(_))
+    ) {
+        handle.emit(&interaction::heartbeat())?;
+    }
    handle
        .command(CursorCommand::Append {
            seqno: request.seqno,
@@ -164,17 +164,22 @@ async fn client_heartbeat_returns_a_server_protocol_heartbeat() {
    let handle = registry.get_or_create("heartbeat-run").await.unwrap();
    let mut output = handle.subscribe();

-    handle
-        .command(CursorCommand::Append {
-            seqno: 0,
-            message: Box::new(pb::AgentClientMessage {
+    cursor_server::cursor::bidi_append::append(
+        &registry,
+        cursor_server::cursor::bidi_append::DecodedAppend {
+            request_id: "heartbeat-run".into(),
+            // A transport heartbeat must not wait for missing application messages.
+            seqno: 1,
+            message: pb::AgentClientMessage {
                message: Some(pb::agent_client_message::Message::ClientHeartbeat(
                    pb::ClientHeartbeat {},
                )),
-            }),
-        })
-        .await
-        .unwrap();
+            },
+        },
+        None,
+    )
+    .await
+    .unwrap();

    let frame = tokio::time::timeout(std::time::Duration::from_secs(1), output.recv())
        .await