feat: add model connectivity tests and harden cursor heartbeats

feat: add update indicators and stabilize Cursor streams
feat: add configurable Cursor TAB routing
2026-10-05 12:13:05 +08:00 · 2026-08-24 09:57:28 +08:00 · 2026-08-24 05:24:07 +08:00 · 2026-08-24 04:35:28 +08:00
43 changed files with 1711 additions and 201 deletions
@@ -1128,7 +1128,7 @@ checksum = "52560adf09603e58c9a7ee1fe1dcb95a16927b17c127f0ac02d6e768a0e25bc1"

 [[package]]
 name = "cursor-byok-desktop"
-version = "0.1.0-beta.1"
+version = "0.1.0-beta.4"
 dependencies = [
 "axum",
 "cursor-server",
@@ -1,12 +1,12 @@
 {
  "name": "cursor-byok-desktop",
-  "version": "0.1.0-beta.1",
+  "version": "0.1.0-beta.4",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "cursor-byok-desktop",
-      "version": "0.1.0-beta.1",
+      "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.1",
+  "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.1"
+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.1",
+  "version": "0.1.0-beta.4",
  "identifier": "dev.cursorbyok.desktop",
  "build": {
    "beforeDevCommand": "npm run dev",
@@ -10,8 +10,8 @@ import { CursorSettingsPage } from "./pages/CursorSettingsPage";
 import { HomePage } from "./pages/HomePage";
 import { ProvidersPage } from "./pages/ProvidersPage";
 import { SettingsPage } from "./pages/SettingsPage";
-import { checkForUpdate, hasNativeAppLifecycle } from "./native/appLifecycle";
 import { useAppStore } from "./store/appStore";
+import { updateStore } from "./store/updateStore";

 export function App() {
  return (
@@ -47,11 +47,9 @@ function AppMessages() {
  }, [error, showMessage]);

  useEffect(() => {
-    if (!hasNativeAppLifecycle()) return;
-    void checkForUpdate().then(async (update) => {
-      if (!update) return;
-      showMessage(t("发现新版本 {version}，可在设置中安装", { version: update.version }), { duration: 6_000 });
-      await update.close();
+    void updateStore.check().then((version) => {
+      if (!version) return;
+      showMessage(t("发现新版本 {version}，可在设置中安装", { version }), { duration: 6_000 });
    }).catch(() => {
      // Startup checks are best-effort; manual checks in Settings report errors.
    });
@@ -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 {
@@ -97,6 +106,13 @@ export interface ProxySettingsInput {
  password?: string;
 }

+export type TabMode = "public" | "direct" | "custom";
+
+export interface TabSettings {
+  mode: TabMode;
+  address: string;
+}
+
 export interface OverviewMetrics {
  llm_calls: number;
  successful_calls: number;
@@ -214,7 +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} ${response.statusText}`);
  }
  if (response.status === 204) return undefined as T;
@@ -241,6 +264,7 @@ export const api = {
  models: () => request<Model[]>("/models"),
  updateModel: (hash: string, model: ModelInput) => request<Model>(`/models/${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) {
@@ -283,4 +307,6 @@ export const api = {
  clearStatisticsStorage: () => request<StatisticsStorage>("/settings/storage/statistics", { method: "DELETE" }),
  proxySettings: () => request<ProxySettings>("/settings/proxy"),
  setProxySettings: (settings: ProxySettingsInput) => request<ProxySettings>("/settings/proxy", { method: "PUT", body: JSON.stringify(settings) }),
+  tabSettings: () => request<TabSettings>("/settings/tab"),
+  setTabSettings: (settings: TabSettings) => request<TabSettings>("/settings/tab", { method: "PUT", body: JSON.stringify(settings) }),
 };
@@ -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";
+}
@@ -1,5 +1,10 @@
@use "../../styles/typography" as type;

+.page {
+  display: grid;
+  gap: 16px;
+}
+
 .gate {
  min-height: 250px;
  display: flex;
@@ -81,11 +86,46 @@
  display: flex;
  gap: 2px;
 }
+.testResult {
+  min-width: 0;
+  max-width: 220px;
+  display: flex;
+  align-items: center;
+  gap: 5px;
+  font-size: type.$font-size-xs;
+}
+.testSuccess {
+  color: var(--vscode-testing-iconPassed, #73c991);
+}
+.testError {
+  color: var(--vscode-errorForeground, #f48771);
+}
+.testResultText {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.testResultHint {
+  flex: 0 0 auto;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: currentColor;
+  cursor: help;
+  &:focus-visible {
+    outline: 1px solid var(--vscode-focusBorder);
+    outline-offset: 2px;
+  }
+}
 .editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
 }
+.editorTestResult {
+  margin-top: 14px;
+}
 .command {
  margin: 0;
  padding: 10px;
@@ -0,0 +1,51 @@
+@use "../../styles/typography" as type;
+
+.title {
+  min-width: 0;
+  display: flex;
+  align-items: center;
+  gap: 5px;
+}
+
+.row {
+  min-height: 62px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 20px;
+  padding: 12px 16px;
+
+  & + & {
+    border-top: 1px solid var(--vscode-sideBar-border);
+  }
+}
+
+.description {
+  min-width: 0;
+  display: grid;
+  gap: 5px;
+
+  small {
+    color: var(--vscode-descriptionForeground);
+    font-size: type.$font-size-xs;
+  }
+}
+
+.selectControl,
+.addressInput {
+  width: min(300px, 44%);
+  flex: 0 0 auto;
+}
+
+@media (max-width: 620px) {
+  .row {
+    align-items: stretch;
+    flex-direction: column;
+    gap: 10px;
+  }
+
+  .selectControl,
+  .addressInput {
+    width: 100%;
+  }
+}
@@ -0,0 +1,53 @@
+import cursorIconUrl from "../../assets/icons/cursor.svg";
+import type { TabMode, TabSettings } from "../../api";
+import { Button } from "../ui/Button";
+import { TextInput } from "../ui/FormControls";
+import { Icon } from "../ui/Icon";
+import { Select } from "../ui/Select";
+import { TitledCard } from "../ui/TitledCard";
+import styles from "./TabSettingsCard.module.scss";
+
+export function TabSettingsCard({ settings, saving, onChange, onSave }: {
+  settings: TabSettings;
+  saving: boolean;
+  onChange: (settings: TabSettings) => void;
+  onSave: () => void;
+}) {
+  return <TitledCard
+    title={<div className={styles.title}><Icon src={cursorIconUrl} size="1.1em" /><span>{t("TAB 设置")}</span></div>}
+    action={<Button size="small" variant="primary" disabled={saving} onClick={onSave}>{saving ? t("保存中…") : t("保存")}</Button>}
+  >
+    <div className={styles.row}>
+      <div className={styles.description}>
+        <strong>{t("TAB 选择")}</strong>
+        <small>{t("控制 Cursor TAB 相关接口的连接方式。")}</small>
+      </div>
+      <div className={styles.selectControl}>
+        <Select
+          value={settings.mode}
+          ariaLabel={t("TAB 选择")}
+          options={[
+            { value: "public", label: t("使用公益服务") },
+            { value: "direct", label: t("直连") },
+            { value: "custom", label: t("自定义") },
+          ]}
+          onChange={(mode) => onChange({ ...settings, mode: mode as TabMode })}
+        />
+      </div>
+    </div>
+    {settings.mode === "custom" && <div className={styles.row}>
+      <div className={styles.description}>
+        <strong>{t("TAB 服务地址")}</strong>
+        <small>{t("原接口路径会追加到此服务地址。")}</small>
+      </div>
+      <TextInput
+        className={styles.addressInput}
+        value={settings.address}
+        placeholder="https://tab.leokun.cn"
+        aria-label={t("TAB 服务地址")}
+        onChange={(event) => onChange({ ...settings, address: event.target.value })}
+        onKeyDown={(event) => { if (event.key === "Enter") onSave(); }}
+      />
+    </div>}
+  </TitledCard>;
+}
@@ -21,3 +21,11 @@
    font-size: type.$font-size-xs;
  }
 }
+
+.updateDot {
+  width: 7px;
+  height: 7px;
+  flex: 0 0 7px;
+  background: #ef4444;
+  border-radius: 50%;
+}
@@ -1,13 +1,11 @@
-import { useEffect, useRef, useState } from "react";
-import type { Update } from "@tauri-apps/plugin-updater";
+import { useEffect, useState } from "react";
 import {
-  checkForUpdate,
  currentAppVersion,
  hasNativeAppLifecycle,
-  installUpdate,
  readAutostart,
  writeAutostart,
 } from "../../native/appLifecycle";
+import { updateStore, useUpdateStore } from "../../store/updateStore";
 import { Button } from "../ui/Button";
 import { Switch } from "../ui/Switch";
 import { TitledCard } from "../ui/TitledCard";
@@ -17,13 +15,10 @@ import styles from "./AppLifecycleSettingsCard.module.scss";
 export function AppLifecycleSettingsCard() {
  const message = useMessage();
  const native = hasNativeAppLifecycle();
-  const updateRef = useRef<Update | null>(null);
+  const { availableVersion, checking, installing } = useUpdateStore();
  const [version, setVersion] = useState("…");
  const [autostart, setAutostart] = useState(false);
  const [loadingAutostart, setLoadingAutostart] = useState(native);
-  const [checking, setChecking] = useState(false);
-  const [installing, setInstalling] = useState(false);
-  const [availableVersion, setAvailableVersion] = useState<string | null>(null);

  useEffect(() => {
    let disposed = false;
@@ -34,12 +29,7 @@ export function AppLifecycleSettingsCard() {
        .catch((cause) => message(cause instanceof Error ? cause.message : String(cause)))
        .finally(() => { if (!disposed) setLoadingAutostart(false); });
    }
-    return () => {
-      disposed = true;
-      const update = updateRef.current;
-      updateRef.current = null;
-      if (update) void update.close();
-    };
+    return () => { disposed = true; };
  }, [message, native]);

  const toggleAutostart = async (enabled: boolean) => {
@@ -57,29 +47,17 @@ export function AppLifecycleSettingsCard() {

  const checkUpdate = async () => {
    try {
-      setChecking(true);
-      const previous = updateRef.current;
-      updateRef.current = null;
-      if (previous) await previous.close();
-      const update = await checkForUpdate();
-      updateRef.current = update;
-      setAvailableVersion(update?.version ?? null);
-      message(update ? t("发现新版本 {version}", { version: update.version }) : t("当前已是最新版本"));
+      const nextVersion = await updateStore.check();
+      message(nextVersion ? t("发现新版本 {version}", { version: nextVersion }) : t("当前已是最新版本"));
    } catch (cause) {
      message(cause instanceof Error ? cause.message : String(cause));
-    } finally {
-      setChecking(false);
    }
  };

  const updateNow = async () => {
-    const update = updateRef.current;
-    if (!update) return;
    try {
-      setInstalling(true);
-      await installUpdate(update);
+      await updateStore.install();
    } catch (cause) {
-      setInstalling(false);
      message(cause instanceof Error ? cause.message : String(cause));
    }
  };
@@ -107,6 +85,7 @@ export function AppLifecycleSettingsCard() {
      {availableVersion
        ? <Button size="small" variant="primary" disabled={installing} onClick={() => void updateNow()}>
            {installing ? t("安装中…") : t("下载并安装")}
+            <span className={styles.updateDot} aria-hidden="true" />
          </Button>
        : <Button size="small" disabled={!native || checking} onClick={() => void checkUpdate()}>
            {checking ? t("检查中…") : t("检查更新")}
@@ -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>
@@ -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…",
@@ -56,6 +59,7 @@
  "2eb2bf7c6597ab9a": "Detailed records",
  "2f1b67cdaa23351a": "Custom full request URL",
  "2f4a361f878176d1": "{label} must be valid JSON",
+  "2f4a9609285d8f49": "TAB settings saved",
  "2f5f1d6fbfb061ed": "Not set",
  "2f6416a2c424856b": "Final request URL",
  "2f7dec3be28d7597": "{count} selected",
@@ -75,13 +79,14 @@
  "3cfae5728b92b334": "Token usage: {tokens}",
  "3d13868593ae4eeb": "Display language",
  "3da0bf1610ff5db5": "Recommended",
+  "3f6c25aa329163a4": "The original endpoint path is appended to this service address.",
  "3fd47edce45b3603": "Close",
  "4125fc7ba333524c": "Default light",
  "42655ed8e4108ae2": "Input (non-cached)",
  "42a1d9e5b037c210": "Bytes",
  "42aa8e01e98c0d8c": "Total duration",
  "43cb41d62de2d179": "Proxy requires authentication",
-  "4510b63fdcf7451f": "Cursor Assistant v0.1.0",
+  "461d6a57900c2ed7": "Connectivity test failed: {error}",
  "470049252e54de6a": "Success rate: {rate}",
  "48b970b568a7f8f9": "Proxy settings",
  "48d8db17bae06246": "{count} total",
@@ -92,14 +97,20 @@
  "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",
  "54c53e5fe791d1f3": "Initialize CA",
  "550eddc3c7fefa99": "Sponsored",
  "555737734a6371e6": "Delete provider",
  "56432ba297009bdc": "Initialize the CA first",
+  "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",
  "5f9acfb945229062": "Are you sure you no longer want to see this ad?",
  "5fd2ec5a6e9b654c": "Total: {cost}",
@@ -111,6 +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",
@@ -118,6 +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",
@@ -132,6 +145,7 @@
  "7a3cec4ca715de80": "Call statistics",
  "7ba2d6728fe2531b": "Confirm clear",
  "7d9f043f8f7ab45c": "Version {version} is available in Settings",
+  "7e0891860c9e6374": "TAB service address is required",
  "7e1845870b528392": "Enable model",
  "7e1f06318e80c3af": "Statistics cleared",
  "7e9ab9ada2cbf2cb": "Name and Base URL are required",
@@ -149,6 +163,7 @@
  "8b6ff498515bcc2f": "Time",
  "8d0c47eb9eac2d34": "Call type",
  "8df48894086d6fbd": "Reason (optional)",
+  "8f9b0d6cc477d334": "Choose how Cursor connects to TAB endpoints.",
  "90800c48a1dd0655": "{label} must be a JSON object",
  "919cb0ce0c8db4e7": "Leave blank to keep the current password",
  "91aaf184cfc17ffd": "Overview",
@@ -158,6 +173,7 @@
  "94803f35c825e47a": "Full request URL",
  "94df1e7f04815daf": "Used only for display; does not change the model name sent to the provider.",
  "95f76d30c25d5eda": "CA installation is not supported on this system",
+  "966498853d801a52": "TAB connection",
  "9850ed41a5bfbb0c": "{count} selected",
  "997ec8201c2adeda": "Open terminal to install CA",
  "9a026819dd1af5c5": "Enter a model identifier directly or select one returned by the current provider.",
@@ -175,6 +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",
@@ -186,17 +203,20 @@
  "ad6a60ee93d3ba3e": "Loading call details…",
  "ae2d0b7f79cea4a3": "Model output: {tokens} × ${price}/1M = {cost}",
  "aee88743413144a2": "Refresh",
+  "b06325c5660f0c29": "Direct",
  "b4411558b932266f": "Provider type",
  "b502b1d414664337": "Prompt: {tokens}",
  "b5141d3d19e9a048": "Yes",
  "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",
@@ -236,11 +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…",
@@ -56,6 +59,7 @@
  "2eb2bf7c6597ab9a": "详细记录",
  "2f1b67cdaa23351a": "自定义请求完整地址",
  "2f4a361f878176d1": "{label} 必须是有效 JSON",
+  "2f4a9609285d8f49": "TAB 设置已保存",
  "2f5f1d6fbfb061ed": "未设置",
  "2f6416a2c424856b": "最终请求地址",
  "2f7dec3be28d7597": "已选择 {count} 个",
@@ -75,13 +79,14 @@
  "3cfae5728b92b334": "Token 用量：{tokens}",
  "3d13868593ae4eeb": "界面语言",
  "3da0bf1610ff5db5": "推荐内容",
+  "3f6c25aa329163a4": "原接口路径会追加到此服务地址。",
  "3fd47edce45b3603": "关闭",
  "4125fc7ba333524c": "默认亮色",
  "42655ed8e4108ae2": "输入（非缓存）",
  "42a1d9e5b037c210": "字节数",
  "42aa8e01e98c0d8c": "总耗时",
  "43cb41d62de2d179": "代理需要认证",
-  "4510b63fdcf7451f": "Cursor 助手 v0.1.0",
+  "461d6a57900c2ed7": "连通性测试失败：{error}",
  "470049252e54de6a": "成功占比：{rate}",
  "48b970b568a7f8f9": "代理设置",
  "48d8db17bae06246": "共 {count} 条",
@@ -92,14 +97,20 @@
  "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",
  "54c53e5fe791d1f3": "初始化 CA",
  "550eddc3c7fefa99": "推广",
  "555737734a6371e6": "删除上游",
  "56432ba297009bdc": "请先初始化 CA",
+  "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",
  "5f9acfb945229062": "你确认不想再看到此广告吗？",
  "5fd2ec5a6e9b654c": "合计：{cost}",
@@ -111,6 +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",
@@ -118,6 +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",
@@ -132,6 +145,7 @@
  "7a3cec4ca715de80": "调用统计",
  "7ba2d6728fe2531b": "确认清理",
  "7d9f043f8f7ab45c": "发现新版本 {version}，可在设置中安装",
+  "7e0891860c9e6374": "TAB 服务地址不能为空",
  "7e1845870b528392": "启用模型",
  "7e1f06318e80c3af": "统计数据已清理",
  "7e9ab9ada2cbf2cb": "名称和 Base URL 不能为空",
@@ -149,6 +163,7 @@
  "8b6ff498515bcc2f": "时间",
  "8d0c47eb9eac2d34": "调用类型",
  "8df48894086d6fbd": "原因（可选）",
+  "8f9b0d6cc477d334": "控制 Cursor TAB 相关接口的连接方式。",
  "90800c48a1dd0655": "{label} 必须是 JSON 对象",
  "919cb0ce0c8db4e7": "留空表示保留当前密码",
  "91aaf184cfc17ffd": "数据概览",
@@ -158,6 +173,7 @@
  "94803f35c825e47a": "请求完整地址",
  "94df1e7f04815daf": "仅用于界面展示，不会改变发送给上游的模型名称。",
  "95f76d30c25d5eda": "当前系统暂不支持安装 CA",
+  "966498853d801a52": "TAB 选择",
  "9850ed41a5bfbb0c": "已选 {count} 项",
  "997ec8201c2adeda": "打开终端安装 CA",
  "9a026819dd1af5c5": "可以直接输入模型标识，也可以从当前上游返回的模型列表中选择。",
@@ -175,6 +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",
@@ -186,17 +203,20 @@
  "ad6a60ee93d3ba3e": "正在加载调用详情…",
  "ae2d0b7f79cea4a3": "模型输出：{tokens} × ${price}/1M = {cost}",
  "aee88743413144a2": "刷新",
+  "b06325c5660f0c29": "直连",
  "b4411558b932266f": "上游类型",
  "b502b1d414664337": "提示词：{tokens}",
  "b5141d3d19e9a048": "是",
  "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",
@@ -236,11 +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",
@@ -1,4 +1,6 @@
+import { useEffect, useState } from "react";
 import appIcon from "../../src-tauri/icons/32x32.png";
+import { currentAppVersion } from "../native/appLifecycle";
 import type { DesktopPlatform } from "./AppFrame";
 import { WindowControls } from "./WindowControls";
 import styles from "./AppHeader.module.scss";
@@ -10,6 +12,15 @@ type AppHeaderProps = {

 export function AppHeader({ platform, nativeDesktop }: AppHeaderProps) {
  const showNativeUi = nativeDesktop && platform !== "macos";
+  const [version, setVersion] = useState("…");
+
+  useEffect(() => {
+    let disposed = false;
+    void currentAppVersion().then((next) => {
+      if (!disposed) setVersion(next);
+    });
+    return () => { disposed = true; };
+  }, []);

  return <header className={styles.root}>
    <div className={styles.dragLayer} data-tauri-drag-region aria-hidden="true" />
@@ -17,7 +28,7 @@ export function AppHeader({ platform, nativeDesktop }: AppHeaderProps) {
      {showNativeUi && <>
        <div className={styles.identity} aria-label="Cursor BYOK">
          <img src={appIcon} alt="" />
-          <span>{t("Cursor 助手 v0.1.0")}</span>
+          <span>{t("Cursor 助手 v{version}", { version })}</span>
        </div>
        <WindowControls />
      </>}
@@ -83,7 +83,7 @@
  }
 }

-.menuUnreadDot {
+.menuIndicatorDot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
@@ -18,6 +18,7 @@ import { useMessage } from "../components/ui/message";
 import { VirtualList } from "../components/virtual/VirtualList";
 import { useI18n } from "../i18n/store";
 import { appStore, useAppStore } from "../store/appStore";
+import { useUpdateStore } from "../store/updateStore";
 import styles from "./AppLayout.module.scss";
 import { PageActionsTarget } from "./PageActions";

@@ -43,10 +44,12 @@ function loadStoredAdIds(key: string): Set<string> {

 export function AppLayout() {
  const { busy } = useAppStore();
+  const { availableVersion } = useUpdateStore();
  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);
@@ -198,7 +201,7 @@ export function AppLayout() {
                ? <Icon src={item.icon} size="1.3em" />
                : <Icon icon={item.icon} size="1.3em" />}
              <span>{item.label}</span>
-              {!tutorialRead && <span className={styles.menuUnreadDot} aria-hidden="true" />}
+              {!tutorialRead && <span className={styles.menuIndicatorDot} aria-hidden="true" />}
            </button>
          </div>
          : <div className={styles.navigationRow} key={item.path}>
@@ -207,6 +210,7 @@ export function AppLayout() {
                ? <Icon src={item.icon} size="1.3em" />
                : <Icon icon={item.icon} size="1.3em" />}
              <span>{item.label}</span>
+              {item.path === "/settings" && availableVersion && <span className={styles.menuIndicatorDot} aria-hidden="true" />}
            </NavLink>
          </div>}
        </VirtualList>
@@ -238,13 +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;
 }
@@ -1,7 +1,9 @@
 import { useEffect, useMemo, useState } from "react";
-import { api, type Model, type ProviderSelection } from "../api";
+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";
 import controls from "../components/ui/Controls.module.scss";
@@ -24,12 +26,23 @@ export function CursorSettingsPage() {
  const [caCommand, setCaCommand] = useState<string | null>(null);
  const [waitingForCaRefresh, setWaitingForCaRefresh] = useState(false);
  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(() => {
    if (!caCommand) return;
    void api.copyCursorText(caCommand);
  }, [caCommand]);
+  useEffect(() => {
+    void api.tabSettings()
+      .then(setTabDraft)
+      .catch((cause) => message(cause instanceof Error ? cause.message : String(cause)));
+  }, [message]);
  const initializeCa = async () => {
    const status = await appStore.initializeCursorCa();
    if (status?.ca === "untrusted" && status.ca_install_command) setCaCommand(status.ca_install_command);
@@ -71,29 +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>
@@ -111,17 +174,39 @@ export function CursorSettingsPage() {
    setCaCommand(null);
    setWaitingForCaRefresh(true);
  };
+  const saveTab = async () => {
+    if (!tabDraft) return;
+    try {
+      if (tabDraft.mode === "custom" && !tabDraft.address.trim()) throw new Error(t("TAB 服务地址不能为空"));
+      setSavingTab(true);
+      setTabDraft(await api.setTabSettings(tabDraft));
+      message(t("TAB 设置已保存"));
+    } catch (cause) {
+      message(cause instanceof Error ? cause.message : String(cause));
+    } finally {
+      setSavingTab(false);
+    }
+  };
  const content = <CursorCaProvider><CursorCaGate busy={cursorBusy} waitingForRefresh={waitingForCaRefresh} onInitialize={() => void initializeCa()} onRefresh={() => void refreshCa()}>
-    <CursorModelProvider><CursorModelGate onAdd={openNew}>{list}</CursorModelGate></CursorModelProvider>
+    <div className={styles.page}>
+      {tabDraft && <TabSettingsCard settings={tabDraft} saving={savingTab} onChange={setTabDraft} onSave={() => void saveTab()} />}
+      <CursorModelProvider><CursorModelGate onAdd={openNew}>{list}</CursorModelGate></CursorModelProvider>
+    </div>
  </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(280, models.length * 55 + grouped.length * 62), 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()} />}
+    <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 || 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}>
@@ -143,6 +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 }); }
  },

@@ -0,0 +1,74 @@
+import { useSyncExternalStore } from "react";
+import type { Update } from "@tauri-apps/plugin-updater";
+import {
+  checkForUpdate,
+  hasNativeAppLifecycle,
+  installUpdate,
+} from "../native/appLifecycle";
+
+export type UpdateSnapshot = {
+  availableVersion: string | null;
+  checking: boolean;
+  installing: boolean;
+};
+
+let snapshot: UpdateSnapshot = {
+  availableVersion: null,
+  checking: false,
+  installing: false,
+};
+let availableUpdate: Update | null = null;
+let pendingCheck: Promise<string | null> | null = null;
+const listeners = new Set<() => void>();
+
+function update(patch: Partial<UpdateSnapshot>) {
+  snapshot = { ...snapshot, ...patch };
+  listeners.forEach((listener) => listener());
+}
+
+async function replaceAvailableUpdate(next: Update | null) {
+  const previous = availableUpdate;
+  availableUpdate = next;
+  update({ availableVersion: next?.version ?? null });
+  if (previous && previous !== next) await previous.close();
+}
+
+export const updateStore = {
+  subscribe(listener: () => void) {
+    listeners.add(listener);
+    return () => listeners.delete(listener);
+  },
+  getSnapshot: () => snapshot,
+
+  async check(): Promise<string | null> {
+    if (!hasNativeAppLifecycle()) return null;
+    if (pendingCheck) return pendingCheck;
+    update({ checking: true });
+    pendingCheck = (async () => {
+      const next = await checkForUpdate();
+      await replaceAvailableUpdate(next);
+      return next?.version ?? null;
+    })();
+    try {
+      return await pendingCheck;
+    } finally {
+      pendingCheck = null;
+      update({ checking: false });
+    }
+  },
+
+  async install(): Promise<void> {
+    const current = availableUpdate;
+    if (!current) return;
+    update({ installing: true });
+    try {
+      await installUpdate(current);
+    } finally {
+      update({ installing: false });
+    }
+  },
+};
+
+export function useUpdateStore(): UpdateSnapshot {
+  return useSyncExternalStore(updateStore.subscribe, updateStore.getSnapshot);
+}
@@ -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(
@@ -155,6 +160,10 @@ pub fn api_router(service: ControlService) -> Router {
            "/__byok-api__/api/settings/proxy",
            get(settings::get_proxy).put(settings::update_proxy),
        )
+        .route(
+            "/__byok-api__/api/settings/tab",
+            get(settings::get_tab).put(settings::update_tab),
+        )
        .route(
            "/__byok-api__/api/harness/cursor/status",
            get(harness::status),
@@ -242,7 +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::{
@@ -13,11 +15,15 @@ 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,
    },
-    store::{PortSettings, ProxySettings, ProxySettingsInput, StatisticsStorage, Store},
    Error, Result,
 };

@@ -25,6 +31,7 @@ use crate::{
 pub struct ControlService {
    store: Store,
    cursor_harness: CursorHarness,
+    provider: Arc<dyn Provider>,
 }

 #[derive(Clone, Debug, Serialize)]
@@ -32,6 +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,
@@ -72,10 +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,
        })
    }

@@ -200,6 +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,
@@ -372,6 +509,14 @@ impl ControlService {
    pub async fn set_proxy_settings(&self, settings: ProxySettingsInput) -> Result<ProxySettings> {
        self.store.set_proxy_settings(settings).await
    }
+
+    pub async fn tab_settings(&self) -> Result<TabSettings> {
+        self.store.tab_settings().await
+    }
+
+    pub async fn set_tab_settings(&self, settings: TabSettings) -> Result<TabSettings> {
+        self.cursor_harness.set_tab_settings(settings).await
+    }
 }

 fn official_call(trace: CursorRunTraceSummary) -> CallSummary {
@@ -543,6 +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,
@@ -562,3 +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);
+    }
+}
@@ -1,7 +1,9 @@
 use crate::Result;
 use axum::{extract::State, Json};

-use crate::store::{PortSettings, ProxySettings, ProxySettingsInput, StatisticsStorage};
+use crate::store::{
+    PortSettings, ProxySettings, ProxySettingsInput, StatisticsStorage, TabSettings,
+};

 use super::{ControlService, ObservabilitySettings};

@@ -47,3 +49,14 @@ pub async fn update_proxy(
 ) -> Result<Json<ProxySettings>> {
    Ok(Json(service.set_proxy_settings(settings).await?))
 }
+
+pub async fn get_tab(State(service): State<ControlService>) -> Result<Json<TabSettings>> {
+    Ok(Json(service.tab_settings().await?))
+}
+
+pub async fn update_tab(
+    State(service): State<ControlService>,
+    Json(settings): Json<TabSettings>,
+) -> Result<Json<TabSettings>> {
+    Ok(Json(service.set_tab_settings(settings).await?))
+}
@@ -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,
@@ -13,7 +13,7 @@ use crate::{
        observability::CursorTraceRecorder,
        proto::{agent::v1 as agent, aiserver::v1 as ai},
        proxy::{self, CursorProxy},
-        run_sse,
+        run_sse, tab,
    },
    cursor::{CursorParent, CursorSessionRegistry},
    Result,
@@ -70,6 +70,7 @@ fn router_with_proxy(registry: CursorSessionRegistry, proxy: CursorProxy) -> Rou
            post(analytics::bootstrap_statsig),
        )
        .route("/auth/full_stripe_profile", get(account::stripe_profile))
+        .merge(tab::router())
        .route_layer(DefaultBodyLimit::disable())
        .route_layer(RequestDecompressionLayer::new())
        .fallback(proxy::forward)
@@ -66,6 +66,12 @@ pub fn thinking_completed(elapsed: Duration) -> pb::AgentServerMessage {
    ))
 }

+pub fn heartbeat() -> pb::AgentServerMessage {
+    server_interaction(pb::interaction_update::Message::Heartbeat(
+        pb::HeartbeatUpdate {},
+    ))
+}
+
 pub fn arguments_delta(call: &ToolCall, delta: &str) -> Result<pb::AgentServerMessage> {
    Ok(server_interaction(
        pb::interaction_update::Message::PartialToolCall(pb::PartialToolCallUpdate {
@@ -22,6 +22,7 @@ pub mod request;
 pub mod run_sse;
 pub mod session;
 pub mod sessions;
+pub(crate) mod tab;
 pub mod tools;
 mod usage;

@@ -82,14 +82,34 @@ impl CursorProxy {
 pub async fn forward(
    Extension(proxy): Extension<CursorProxy>,
    request: Request<Body>,
+) -> Result<Response<Body>> {
+    forward_request(&proxy, request, None).await
+}
+
+pub(crate) async fn forward_to_service(
+    proxy: &CursorProxy,
+    request: Request<Body>,
+    service_url: &str,
+) -> Result<Response<Body>> {
+    forward_request(proxy, request, Some(service_url)).await
+}
+
+async fn forward_request(
+    proxy: &CursorProxy,
+    request: Request<Body>,
+    service_url: Option<&str>,
 ) -> Result<Response<Body>> {
    let started = Instant::now();
    let (parts, body) = request.into_parts();
    let path = parts
        .uri
        .path_and_query()
-        .map_or("/", |value| value.as_str());
-    let url = upstream_url(&parts.headers, &proxy.upstream, path)?;
+        .map_or("/", |value| value.as_str())
+        .to_owned();
+    let url = match service_url {
+        Some(service_url) => format!("{}{}", service_url.trim_end_matches('/'), path),
+        None => upstream_url(&parts.headers, &proxy.upstream, &path)?,
+    };

    let mut headers = parts.headers;
    headers.remove(UPSTREAM_URL_HEADER);
@@ -239,7 +259,7 @@ mod tests {
    };
    use tower::ServiceExt;

-    use super::{forward, CursorProxy};
+    use super::{forward, forward_to_service, CursorProxy};

    #[tokio::test]
    async fn preserves_request_and_response() {
@@ -289,4 +309,34 @@ mod tests {
        );
        server.abort();
    }
+
+    #[tokio::test]
+    async fn tab_service_keeps_its_base_path_and_the_original_query() {
+        let upstream = Router::new().route(
+            "/base/aiserver.v1.AiService/StreamCpp",
+            any(|request: Request<Body>| async move {
+                request.uri().path_and_query().unwrap().as_str().to_owned()
+            }),
+        );
+        let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.unwrap();
+        let address = listener.local_addr().unwrap();
+        let server = tokio::spawn(async move { axum::serve(listener, upstream).await.unwrap() });
+        let proxy = CursorProxy::for_upstream("http://unused.invalid").unwrap();
+
+        let response = forward_to_service(
+            &proxy,
+            Request::post("/aiserver.v1.AiService/StreamCpp?client=cursor")
+                .body(Body::empty())
+                .unwrap(),
+            &format!("http://{address}/base"),
+        )
+        .await
+        .unwrap();
+
+        assert_eq!(
+            to_bytes(response.into_body(), usize::MAX).await.unwrap(),
+            "/base/aiserver.v1.AiService/StreamCpp?client=cursor"
+        );
+        server.abort();
+    }
 }
@@ -3,29 +3,24 @@ use axum::{
    http::{header, HeaderValue, Response, StatusCode},
 };
 use bytes::Bytes;
+use std::convert::Infallible;
 use tokio::sync::mpsc;
 use tokio_stream::StreamExt;
+use tokio_util::sync::CancellationToken;

 use crate::{
-    cursor::{observability::CursorTraceRecorder, CursorSessionRegistry},
+    cursor::{connect::END_STREAM_FLAG, observability::CursorTraceRecorder, CursorSessionRegistry},
    Result,
 };

 pub async fn stream(registry: &CursorSessionRegistry, request_id: &str) -> Result<Response<Body>> {
    let handle = registry.get_or_create(request_id).await?;
-    let mut receiver = handle.subscribe();
+    let receiver = handle.subscribe();
    let trace = handle.trace().cloned();
    if let Some(trace) = &trace {
        trace.response_started(StatusCode::OK.as_u16()).await;
    }
-    let body_stream = async_stream::stream! {
-        let mut trace = TraceStreamSink::new(trace, "byok_server");
-        while let Some(chunk) = receiver.recv().await {
-            trace.chunk(&chunk);
-            yield Ok::<Bytes, std::convert::Infallible>(chunk);
-        }
-        trace.finish(None);
-    };
+    let body_stream = local_body_stream(receiver, handle.cancellation(), trace);
    let mut response = Response::new(Body::from_stream(body_stream));
    *response.status_mut() = StatusCode::OK;
    response.headers_mut().insert(
@@ -41,6 +36,63 @@ pub async fn stream(registry: &CursorSessionRegistry, request_id: &str) -> Resul
    Ok(response)
 }

+fn local_body_stream(
+    mut receiver: mpsc::UnboundedReceiver<Bytes>,
+    cancellation: CancellationToken,
+    trace: Option<CursorTraceRecorder>,
+) -> impl tokio_stream::Stream<Item = std::result::Result<Bytes, Infallible>> {
+    async_stream::stream! {
+        let mut guard = LocalRunGuard::new(cancellation);
+        let mut trace = TraceStreamSink::new(trace, "byok_server");
+        while let Some(chunk) = receiver.recv().await {
+            let terminal = is_end_stream_frame(&chunk);
+            trace.chunk(&chunk);
+            if terminal {
+                guard.complete();
+                trace.finish(None);
+            }
+            yield Ok::<Bytes, Infallible>(chunk);
+            if terminal {
+                return;
+            }
+        }
+        guard.complete();
+        trace.finish(None);
+    }
+}
+
+fn is_end_stream_frame(frame: &Bytes) -> bool {
+    frame
+        .first()
+        .is_some_and(|flags| flags & END_STREAM_FLAG != 0)
+}
+
+struct LocalRunGuard {
+    cancellation: CancellationToken,
+    completed: bool,
+}
+
+impl LocalRunGuard {
+    fn new(cancellation: CancellationToken) -> Self {
+        Self {
+            cancellation,
+            completed: false,
+        }
+    }
+
+    fn complete(&mut self) {
+        self.completed = true;
+    }
+}
+
+impl Drop for LocalRunGuard {
+    fn drop(&mut self) {
+        if !self.completed {
+            self.cancellation.cancel();
+        }
+    }
+}
+
 pub async fn upstream(
    registry: CursorSessionRegistry,
    request_id: String,
@@ -127,7 +179,11 @@ impl TraceStreamSink {

 impl Drop for TraceStreamSink {
    fn drop(&mut self) {
-        self.finish(None);
+        if self.sender.is_some() {
+            self.finish(Some(
+                "response stream dropped before completion".to_string(),
+            ));
+        }
    }
 }

@@ -143,3 +199,38 @@ impl Drop for UpstreamRunGuard {
            .finish_upstream(self.request_id.clone(), self.generation);
    }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::cursor::{connect, proto::agent::v1 as pb};
+
+    #[tokio::test]
+    async fn local_stream_cancels_when_the_client_disconnects() {
+        let (sender, receiver) = mpsc::unbounded_channel();
+        let cancellation = CancellationToken::new();
+        sender
+            .send(connect::encode_message(&pb::AgentServerMessage::default()).unwrap())
+            .unwrap();
+        let mut stream = Box::pin(local_body_stream(receiver, cancellation.clone(), None));
+
+        stream.next().await.unwrap().unwrap();
+
+        drop(sender);
+        drop(stream);
+        assert!(cancellation.is_cancelled());
+    }
+
+    #[tokio::test]
+    async fn terminal_frame_does_not_cancel_a_completed_local_run() {
+        let (sender, receiver) = mpsc::unbounded_channel();
+        let cancellation = CancellationToken::new();
+        sender.send(connect::encode_end_stream()).unwrap();
+        let mut stream = Box::pin(local_body_stream(receiver, cancellation.clone(), None));
+
+        let terminal = stream.next().await.unwrap().unwrap();
+        assert!(is_end_stream_frame(&terminal));
+        drop(stream);
+        assert!(!cancellation.is_cancelled());
+    }
+}
@@ -0,0 +1,67 @@
+use axum::{
+    body::Body,
+    extract::{Extension, State},
+    http::{Request, Response},
+    routing::post,
+    Router,
+};
+
+use crate::{
+    cursor::{proxy, CursorSessionRegistry},
+    Result,
+};
+
+pub const TAB_PATHS: [&str; 17] = [
+    "/aiserver.v1.AiService/StreamCpp",
+    "/aiserver.v1.AiService/StreamNextCursorPrediction",
+    "/aiserver.v1.AiService/GetCppEditClassification",
+    "/aiserver.v1.AiService/RefreshTabContext",
+    "/aiserver.v1.AiService/CppConfig",
+    "/aiserver.v1.AiService/CppEditHistoryStatus",
+    "/aiserver.v1.AiService/CppAppend",
+    "/aiserver.v1.AiService/CppEditHistoryAppend",
+    "/aiserver.v1.AiService/ReportAiCodeChangeMetrics",
+    "/aiserver.v1.AiService/WriteGitCommitMessage",
+    "/aiserver.v1.AiService/WriteGitBranchName",
+    "/aiserver.v1.CppService/AvailableModels",
+    "/aiserver.v1.CppService/RecordCppFate",
+    "/aiserver.v1.FileSyncService/FSSyncFile",
+    "/aiserver.v1.FileSyncService/FSIsEnabledForUser",
+    "/aiserver.v1.FileSyncService/FSConfig",
+    "/aiserver.v1.FileSyncService/FSUploadFile",
+];
+
+pub fn is_tab_path(path: &str) -> bool {
+    TAB_PATHS.contains(&path)
+}
+
+pub fn router() -> Router<CursorSessionRegistry> {
+    TAB_PATHS.into_iter().fold(Router::new(), |router, path| {
+        router.route(path, post(forward))
+    })
+}
+
+async fn forward(
+    State(registry): State<CursorSessionRegistry>,
+    Extension(upstream): Extension<proxy::CursorProxy>,
+    request: Request<Body>,
+) -> Result<Response<Body>> {
+    let settings = registry.store().tab_settings().await?;
+    match settings.service_url() {
+        Some(service_url) => proxy::forward_to_service(&upstream, request, service_url).await,
+        None => proxy::forward(Extension(upstream), request).await,
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn matches_only_legacy_tab_routes() {
+        assert_eq!(TAB_PATHS.len(), 17);
+        assert!(is_tab_path("/aiserver.v1.AiService/StreamCpp"));
+        assert!(is_tab_path("/aiserver.v1.FileSyncService/FSUploadFile"));
+        assert!(!is_tab_path("/aiserver.v1.AiService/AvailableModels"));
+    }
+}
@@ -9,7 +9,10 @@ use parking_lot::RwLock;
 use serde::{Deserialize, Serialize};
 use tokio::sync::Mutex;

-use crate::{store::Store, Error, Result};
+use crate::{
+    store::{Store, TabMode, TabSettings},
+    Error, Result,
+};

 use self::{ca::CaManager, proxy::ProxyRuntime};

@@ -65,6 +68,7 @@ struct Inner {
    ca: CaManager,
    ca_initialization: Mutex<()>,
    backend_addr: RwLock<Option<SocketAddr>>,
+    tab_mode: Arc<RwLock<TabMode>>,
    proxy: Mutex<ProxyRuntime>,
 }

@@ -76,6 +80,7 @@ impl CursorHarness {
                ca: CaManager::managed()?,
                ca_initialization: Mutex::new(()),
                backend_addr: RwLock::new(None),
+                tab_mode: Arc::new(RwLock::new(TabMode::default())),
                proxy: Mutex::new(ProxyRuntime::default()),
            }),
        })
@@ -138,6 +143,12 @@ impl CursorHarness {
        self.status().await
    }

+    pub async fn set_tab_settings(&self, settings: TabSettings) -> Result<TabSettings> {
+        let saved = self.inner.store.set_tab_settings(settings).await?;
+        *self.inner.tab_mode.write() = saved.mode;
+        Ok(saved)
+    }
+
    async fn enable(&self) -> Result<()> {
        if !matches!(self.inner.ca.state()?, CaState::Ready) {
            return Err(Error::Config(
@@ -158,7 +169,15 @@ impl CursorHarness {
        }
        let ca = self.inner.ca.load()?;
        let requested_port = self.inner.store.port_settings().await?.proxy_port;
-        let (url, actual_port) = proxy.start(backend_addr, ca, requested_port).await?;
+        *self.inner.tab_mode.write() = self.inner.store.tab_settings().await?.mode;
+        let (url, actual_port) = proxy
+            .start(
+                backend_addr,
+                ca,
+                requested_port,
+                self.inner.tab_mode.clone(),
+            )
+            .await?;
        if let Err(error) = self.inner.store.set_proxy_port(actual_port).await {
            proxy.stop().await;
            return Err(error);
@@ -1,4 +1,4 @@
-use std::net::SocketAddr;
+use std::{net::SocketAddr, sync::Arc};

 use hudsucker::{
    certificate_authority::RcgenAuthority,
@@ -8,7 +8,13 @@ use hudsucker::{
 };
 use tokio::{net::TcpListener, sync::oneshot, task::JoinHandle};

-use crate::{cursor::proxy::UPSTREAM_URL_HEADER, Error, Result};
+use parking_lot::RwLock;
+
+use crate::{
+    cursor::{proxy::UPSTREAM_URL_HEADER, tab::is_tab_path},
+    store::TabMode,
+    Error, Result,
+};

 use super::ca::LoadedCa;

@@ -33,6 +39,7 @@ impl ProxyRuntime {
        backend: SocketAddr,
        ca: LoadedCa,
        requested_port: u16,
+        tab_mode: Arc<RwLock<TabMode>>,
    ) -> Result<(String, u16)> {
        if let Some(url) = self.url() {
            return Ok((url, self.port.unwrap_or_default()));
@@ -45,7 +52,7 @@ impl ProxyRuntime {
            .with_listener(listener)
            .with_ca(authority)
            .with_rustls_connector(aws_lc_rs::default_provider())
-            .with_http_handler(CursorRelay { backend })
+            .with_http_handler(CursorRelay { backend, tab_mode })
            .with_graceful_shutdown(async move {
                let _ = done.await;
            })
@@ -89,6 +96,7 @@ async fn bind_proxy_listener(requested_port: u16) -> Result<TcpListener> {
 #[derive(Clone)]
 struct CursorRelay {
    backend: SocketAddr,
+    tab_mode: Arc<RwLock<TabMode>>,
 }

 impl HttpHandler for CursorRelay {
@@ -98,7 +106,8 @@ impl HttpHandler for CursorRelay {
        mut request: Request<Body>,
    ) -> RequestOrResponse {
        let original = request.uri().clone();
-        if is_cursor_host(original.host().unwrap_or_default()) && is_local_path(original.path()) {
+        let locally_routed = should_route_locally(original.path(), *self.tab_mode.read());
+        if is_cursor_host(original.host().unwrap_or_default()) && locally_routed {
            if let Ok(value) = original.to_string().parse() {
                request.headers_mut().insert(UPSTREAM_URL_HEADER, value);
            }
@@ -157,6 +166,10 @@ fn is_local_path(path: &str) -> bool {
    )
 }

+fn should_route_locally(path: &str, tab_mode: TabMode) -> bool {
+    is_local_path(path) || (is_tab_path(path) && tab_mode != TabMode::Direct)
+}
+
 #[cfg(test)]
 mod tests {
    use super::*;
@@ -179,5 +192,17 @@ mod tests {
            "/aiserver.v1.AnalyticsService/BootstrapStatsig"
        ));
        assert!(!is_local_path("/unrelated"));
+        assert!(should_route_locally(
+            "/aiserver.v1.AiService/StreamCpp",
+            TabMode::Public
+        ));
+        assert!(should_route_locally(
+            "/aiserver.v1.AiService/StreamCpp",
+            TabMode::Custom
+        ));
+        assert!(!should_route_locally(
+            "/aiserver.v1.AiService/StreamCpp",
+            TabMode::Direct
+        ));
    }
 }
@@ -140,11 +140,11 @@ impl Provider for OpenAiResponsesProvider {
                        }
                        if text_open { text_open = false; yield ModelEvent::TextEnd; }
                    }
-                    "response.reasoning_summary_text.delta" => {
+                    "response.reasoning_summary_text.delta" | "response.reasoning_text.delta" => {
                        if !thinking_open { thinking_open = true; yield ModelEvent::ThinkingStart; }
                        if let Some(delta) = value.get("delta").and_then(Value::as_str) { yield ModelEvent::ThinkingDelta(delta.into()); }
                    }
-                    "response.reasoning_summary_text.done" => {
+                    "response.reasoning_summary_text.done" | "response.reasoning_text.done" => {
                        if thinking_open { thinking_open = false; yield ModelEvent::ThinkingEnd; }
                    }
                    "response.output_item.added" => {
@@ -6,8 +6,11 @@ use super::{now_ms, Store};

 const PORT_SETTINGS_KEY: &str = "network_ports";
 const PROXY_SETTINGS_KEY: &str = "outbound_proxy";
+const TAB_SETTINGS_KEY: &str = "cursor_tab";
 const INSTALLATION_ID_KEY: &str = "installation_id";

+pub const PUBLIC_TAB_SERVICE_URL: &str = "https://tab.leokun.cn";
+
 #[derive(Clone, Copy, Debug, Default, Deserialize, PartialEq, Eq, Serialize)]
 pub struct PortSettings {
    pub proxy_port: u16,
@@ -28,6 +31,31 @@ impl ProxyMode {
    }
 }

+#[derive(Clone, Copy, Debug, Default, Deserialize, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum TabMode {
+    #[default]
+    Public,
+    Direct,
+    Custom,
+}
+
+#[derive(Clone, Debug, Default, Deserialize, PartialEq, Eq, Serialize)]
+pub struct TabSettings {
+    pub mode: TabMode,
+    pub address: String,
+}
+
+impl TabSettings {
+    pub fn service_url(&self) -> Option<&str> {
+        match self.mode {
+            TabMode::Public => Some(PUBLIC_TAB_SERVICE_URL),
+            TabMode::Direct => None,
+            TabMode::Custom => Some(&self.address),
+        }
+    }
+}
+
 #[derive(Clone, Debug, Default, Deserialize, PartialEq, Eq, Serialize)]
 pub struct ProxySettingsInput {
    pub mode: ProxyMode,
@@ -139,6 +167,47 @@ impl Store {
        self.proxy_settings().await
    }

+    pub async fn tab_settings(&self) -> Result<TabSettings> {
+        let value = sqlx::query_scalar::<_, String>(
+            "SELECT value_json FROM service_settings WHERE setting_key = ?",
+        )
+        .bind(TAB_SETTINGS_KEY)
+        .fetch_optional(&self.pool)
+        .await?;
+        value
+            .map(|value| serde_json::from_str(&value).map_err(Into::into))
+            .unwrap_or_else(|| Ok(TabSettings::default()))
+    }
+
+    pub async fn set_tab_settings(&self, mut settings: TabSettings) -> Result<TabSettings> {
+        settings.address = settings.address.trim().trim_end_matches('/').to_owned();
+        if settings.mode == TabMode::Custom {
+            let parsed = url::Url::parse(&settings.address).map_err(|error| {
+                crate::Error::Config(format!("invalid TAB service address: {error}"))
+            })?;
+            if !matches!(parsed.scheme(), "http" | "https") {
+                return Err(crate::Error::Config(
+                    "TAB service address must use http or https".into(),
+                ));
+            }
+            if parsed.host_str().is_none()
+                || parsed.query().is_some()
+                || parsed.fragment().is_some()
+            {
+                return Err(crate::Error::Config(
+                    "TAB service address must be a base URL without a query or fragment".into(),
+                ));
+            }
+        }
+        sqlx::query("INSERT INTO service_settings(setting_key, value_json, updated_at_ms) VALUES (?, ?, ?) ON CONFLICT(setting_key) DO UPDATE SET value_json = excluded.value_json, updated_at_ms = excluded.updated_at_ms")
+            .bind(TAB_SETTINGS_KEY)
+            .bind(serde_json::to_string(&settings)?)
+            .bind(now_ms())
+            .execute(&self.pool)
+            .await?;
+        Ok(settings)
+    }
+
    pub async fn port_settings(&self) -> Result<PortSettings> {
        let value = sqlx::query_scalar::<_, String>(
            "SELECT value_json FROM service_settings WHERE setting_key = ?",
@@ -244,4 +313,28 @@ mod tests {
            "secret"
        );
    }
+
+    #[tokio::test]
+    async fn tab_settings_default_to_public_and_validate_custom_urls() {
+        let store = Store::connect("sqlite::memory:").await.unwrap();
+        assert_eq!(store.tab_settings().await.unwrap(), TabSettings::default());
+
+        let saved = store
+            .set_tab_settings(TabSettings {
+                mode: TabMode::Custom,
+                address: " https://tab.example.com/base/ ".into(),
+            })
+            .await
+            .unwrap();
+        assert_eq!(saved.address, "https://tab.example.com/base");
+        assert_eq!(store.tab_settings().await.unwrap(), saved);
+
+        assert!(store
+            .set_tab_settings(TabSettings {
+                mode: TabMode::Custom,
+                address: "file:///tmp/tab".into(),
+            })
+            .await
+            .is_err());
+    }
 }
@@ -146,6 +146,59 @@ async fn registry_shutdown_cancels_runs_and_closes_run_sse_outputs() {
    assert_eq!(output.recv().await, None);
 }

+#[tokio::test]
+async fn client_heartbeat_returns_a_server_protocol_heartbeat() {
+    let (_directory, store) = fixtures::temp_store().await;
+    let assets = PromptAssets::load(
+        std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("prompt/cursor")
+            .as_path(),
+    )
+    .unwrap();
+    let registry = CursorSessionRegistry::new(
+        store,
+        Arc::new(fake_provider::FakeProvider::default()),
+        PromptCompiler::new(assets),
+        Default::default(),
+    );
+    let handle = registry.get_or_create("heartbeat-run").await.unwrap();
+    let mut output = handle.subscribe();
+
+    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 {},
+                )),
+            },
+        },
+        None,
+    )
+    .await
+    .unwrap();
+
+    let frame = tokio::time::timeout(std::time::Duration::from_secs(1), output.recv())
+        .await
+        .unwrap()
+        .unwrap();
+    let (_, payload) = connect::decode_frames(&frame).unwrap().pop().unwrap();
+    let message = pb::AgentServerMessage::decode(payload).unwrap();
+    assert!(matches!(
+        message.message,
+        Some(pb::agent_server_message::Message::InteractionUpdate(
+            pb::InteractionUpdate {
+                message: Some(pb::interaction_update::Message::Heartbeat(_)),
+            }
+        ))
+    ));
+
+    registry.shutdown().await;
+}
+
 #[tokio::test]
 async fn runtime_user_message_action_aborts_active_exec_before_canceled_end_stream() {
    let (_directory, store) = fixtures::temp_store().await;
@@ -329,6 +329,37 @@ async fn openai_responses_raw_stream_does_not_invent_reasoning_effort() {
    assert_eq!(replayed, ["opaque-1", "opaque-2"]);
 }

+#[tokio::test]
+async fn openai_responses_streams_openrouter_reasoning_text_events() {
+    let (base_url, _requests, server) = fixture_server(
+        "/v1/responses",
+        concat!(
+            "data: {\"type\":\"response.reasoning_text.delta\",\"delta\":\"still working\"}\n\n",
+            "data: {\"type\":\"response.reasoning_text.done\"}\n\n",
+            "data: {\"type\":\"response.completed\",\"response\":{}}\n\n",
+        ),
+    )
+    .await;
+    let provider = OpenAiResponsesProvider::new(
+        reqwest::Client::new(),
+        config(ProviderKind::OpenAiResponses, base_url, None),
+    );
+
+    let events = collect(provider.stream(invocation(), CancellationToken::new())).await;
+    server.abort();
+
+    assert!(events
+        .iter()
+        .any(|event| matches!(event, ModelEvent::ThinkingStart)));
+    assert!(events.iter().any(
+        |event| matches!(event, ModelEvent::ThinkingDelta(delta) if delta == "still working")
+    ));
+    assert!(events
+        .iter()
+        .any(|event| matches!(event, ModelEvent::ThinkingEnd)));
+    assert_eq!(events.last(), Some(&ModelEvent::Done(FinishReason::Stop)));
+}
+
 #[tokio::test]
 async fn openai_responses_reasoning_item_done_closes_an_open_summary() {
    let (base_url, _requests, server) = fixture_server(
Author	SHA1	Message	Date
leookun	81a1afdae9	feat: add model connectivity tests and harden cursor heartbeats	2026-08-24 09:57:28 +08:00
leookun	6170778de9	feat: add update indicators and stabilize Cursor streams	2026-08-24 05:24:07 +08:00
leookun	0f23a9a9c3	feat: add configurable Cursor TAB routing	2026-08-24 04:35:28 +08:00