emrg: GitHub connect banner when evolution needs auth (GCM rant Stage 2c)

emrg/gui/renderer/css/layout.css

@@ -195,6 +195,29 @@
   animation: banner-in var(--dur-med) var(--ease);
 }
 
+/* ── GitHub 连接横幅（Windows GCM rant Stage 2） ────── */
+#github-banner {
+  position: absolute;
+  top: var(--sp-3);
+  left: 50%;
+  transform: translateX(-50%);
+  display: flex;
+  align-items: center;
+  gap: var(--sp-2);
+  background: var(--amber-soft);
+  color: var(--amber);
+  border: 1px solid var(--border);
+  border-radius: 999px;
+  padding: 6px var(--sp-3) 6px var(--sp-4);
+  font-size: var(--fs-secondary);
+  box-shadow: var(--shadow-md);
+  z-index: 20;
+  animation: banner-in var(--dur-med) var(--ease);
+  white-space: nowrap;
+  max-width: 90%;
+}
+#github-banner .btn { padding: 4px 12px; min-height: 0; font-size: var(--fs-secondary); }
+
 /* ── 侧边栏折叠（⌘B / 窄屏） ────────────── */
 body.sidebar-collapsed #sidebar {
   display: none;

emrg/gui/renderer/index.html

@@ -37,6 +37,13 @@
       <!-- 断连横幅 -->
       <div id="conn-banner" class="hidden"></div>
 
+      <!-- GitHub 连接横幅（Windows GCM rant Stage 2：演化需要 GitHub 但未认证时出现） -->
+      <div id="github-banner" class="hidden">
+        <span id="github-banner-msg"></span>
+        <button type="button" id="github-banner-connect" class="btn btn-primary" data-i18n="settings.githubBannerConnect">去连接</button>
+        <button type="button" id="github-banner-dismiss" class="btn btn-ghost" title="关闭" data-i18n-title="settings.githubBannerDismiss">✕</button>
+      </div>
+
       <!-- 聊天区 -->
       <div id="chat-view"></div>
       <!-- 回到底部悬浮按钮（上滑阅读时出现） -->

emrg/gui/renderer/js/app.js

@@ -707,6 +707,8 @@ const App = (() => {
     const prev = state.lastKnownEvolutionCount;
     state.lastKnownEvolutionCount = state.evolutionCount;
     if (prev == null || state.evolutionCount <= prev) return; // 首次连接/无增长不提示
+    // 演化刚完成 = 演化真正需要 GitHub 的时刻（Windows GCM rant Stage 2）
+    maybeShowGithubBanner();
     // 频率控制：一天最多 1 次（localStorage 可能不可用 → 静默跳过）
     const today = new Date().toISOString().slice(0, 10);
     try {
@@ -733,6 +735,50 @@ const App = (() => {
     if (star) star.classList.remove("pulse");
   }
 
+  // ── GitHub 连接横幅（Windows GCM rant Stage 2） ────
+  // 触发时机：演化计数增长（演化刚完成、需要 GitHub 推 PR）且未认证时。
+  // 本地聊天不依赖 GitHub → 启动时不打扰。横幅可关闭；关闭后本会话不再弹。
+  let _githubBannerDismissed = false;
+
+  function showGithubBanner() {
+    const b = $("github-banner");
+    if (!b) return;
+    const msg = $("github-banner-msg");
+    if (msg) msg.textContent = _t("settings.githubBannerMsg");
+    b.classList.remove("hidden");
+  }
+
+  function hideGithubBanner() {
+    const b = $("github-banner");
+    if (b) b.classList.add("hidden");
+  }
+
+  async function maybeShowGithubBanner() {
+    if (_githubBannerDismissed) return;
+    try {
+      const s = await window.emrg.githubStatus();
+      if (s && s.authenticated) return; // 已连接 → 无需提示
+      showGithubBanner();
+    } catch { /* githubStatus 不可用（daemon 忙/未合入）→ 静默跳过 */ }
+  }
+
+  function initGithubBanner() {
+    const connect = $("github-banner-connect");
+    if (connect) {
+      connect.addEventListener("click", () => {
+        hideGithubBanner();
+        Dialogs.showSettings(); // 设置页 GitHub 连接区（Stage 2a）
+      });
+    }
+    const dismiss = $("github-banner-dismiss");
+    if (dismiss) {
+      dismiss.addEventListener("click", () => {
+        _githubBannerDismissed = true;
+        hideGithubBanner();
+      });
+    }
+  }
+
   function initEvolutionToast() {
     const see = $("evolution-toast-see");
     if (see) {
@@ -1186,6 +1232,7 @@ const App = (() => {
     Dialogs.initRenameDialog();
     Dialogs.initGithubSection(); // Windows GCM rant Stage 2：设置页 GitHub 连接
     Dialogs.initDeviceDialog(); // Windows GCM rant Stage 2b：device flow 对话框
+    initGithubBanner(); // Windows GCM rant Stage 2：演化需 GitHub 但未认证时的连接横幅
     initModelSwitcher();
     initModeSwitcher(); // WorkBuddy P2：Ask/Auto 工作模式
     ResultPanel.init(); // WorkBuddy P1：结果面板（⌘\ 折叠 + 窄屏自动隐藏）

emrg/gui/renderer/js/i18n.js

@@ -102,6 +102,10 @@ const I18N = (() => {
       "settings.githubDeviceCancel": "取消",
       "settings.githubDeviceWait": "等待浏览器中确认…",
       "settings.githubDeviceFailed": "GitHub 连接失败：{msg}",
+      // Windows GCM rant Stage 2：连接横幅
+      "settings.githubBannerMsg": "启用自进化需连接 GitHub →",
+      "settings.githubBannerConnect": "去连接",
+      "settings.githubBannerDismiss": "关闭",
 
       // 首启引导
       "welcome.title": "欢迎使用 EMRG",
@@ -388,6 +392,10 @@ const I18N = (() => {
       "settings.githubDeviceCancel": "Cancel",
       "settings.githubDeviceWait": "Waiting for confirmation in browser…",
       "settings.githubDeviceFailed": "GitHub connect failed: {msg}",
+      // Windows GCM rant Stage 2: connect banner
+      "settings.githubBannerMsg": "Connect GitHub to enable self-evolution →",
+      "settings.githubBannerConnect": "Connect",
+      "settings.githubBannerDismiss": "Dismiss",
 
       // Welcome / onboarding
       "welcome.title": "Welcome to EMRG",

emrg/gui/test/renderer.smoke.test.js

@@ -79,6 +79,7 @@ const ELEMENT_IDS = [
   "tasks-dialog", "tasks-list", "tasks-close",
   "result-panel", "result-list", "result-toggle",
   "growth-card", "growth-count", "about-recent",
+  "github-banner", "github-banner-msg", "github-banner-connect", "github-banner-dismiss",
 ];
 
 /** 构造浏览器沙箱（win 即全局对象） */
@@ -297,9 +298,55 @@ test("多模型管理：modelDetails 加载渲染 + saveSettings 传 models 数
   assert.strictEqual(saved.theme, "system");
   assert.ok(Array.isArray(saved.models));
   assert.strictEqual(saved.models.length, 2, "models 数组含默认 + gpt-4o");
+
   const gpt = saved.models.find((m) => m.name === "gpt-4o");
   assert.strictEqual(gpt.vision, true);
 });
+test("GCM rant Stage 2：演化增长 + 未认证 → GitHub 连接横幅出现（正反两态）", async () => {
+  // 正态：未认证 + 演化计数增长 → 横幅出现（先加 hidden 模拟 index.html 初始态）
+  const { ctx } = makeSandbox({
+    githubStatus: async () => ({ authenticated: false, user: null }),
+  });
+  await tick();
+  await vm.runInContext(`(async function() {
+    document.getElementById("github-banner").classList.add("hidden");
+    App.state.evolutionCount = 42;
+    App.state.lastKnownEvolutionCount = 40;
+    App.maybeShowEvolutionToast();
+  })()`, ctx);
+  await tick(); // 等待 githubStatus promise 解析
+  const visible = vm.runInContext(
+    '!document.getElementById("github-banner").classList.contains("hidden")',
+    ctx
+  );
+  assert.strictEqual(visible, true, "未认证 + 演化增长 → 横幅应出现");
+
+  // 负态：已认证 → 横幅保持隐藏
+  const { ctx: ctx2 } = makeSandbox({
+    githubStatus: async () => ({ authenticated: true, user: "octocat" }),
+  });
+  await tick();
+  await vm.runInContext(`(async function() {
+    document.getElementById("github-banner").classList.add("hidden");
+    App.state.evolutionCount = 42;
+    App.state.lastKnownEvolutionCount = 40;
+    App.maybeShowEvolutionToast();
+  })()`, ctx2);
+  await tick();
+  const hidden = vm.runInContext(
+    'document.getElementById("github-banner").classList.contains("hidden")',
+    ctx2
+  );
+  assert.strictEqual(hidden, true, "已认证 → 横幅应保持隐藏");
+
+  // 源码断言：连接/关闭按钮绑定 + 演化增长钩子
+  const src = fs.readFileSync(path.join(RENDERER_JS, "app.js"), "utf8");
+  assert.ok(src.includes("Dialogs.showSettings()"), "横幅[去连接]应打开设置页 GitHub 区");
+  assert.ok(src.includes("_githubBannerDismissed = true"), "关闭横幅应本会话不再弹");
+  const toastIdx = src.indexOf("function maybeShowEvolutionToast()");
+  const toastBlock = src.slice(toastIdx, toastIdx + 800);
+  assert.ok(toastBlock.includes("maybeShowGithubBanner()"), "演化增长应触发 GitHub 横幅检查");
+});
 
 test("右键菜单：重命名对话框 → renameSession 调用（设计 §3.2）", async () => {
   let renamed = null;