fix(v2): the agent bar key reaches 44 to touch, folded code fences keep their text, and the clamp guard pins its orient

frontend/src/v2/__tests__/V2ActivityPage.test.tsx

@@ -1706,6 +1706,9 @@ describe('V2ActivityPage', () => {
     // The shape agent posts arrive in: whitespace already folded by the recap.
     expect(plainLine('Done: - a - b - c ## Shipped **ok**')).toBe('Done: a - b - c Shipped ok');
     expect(plainLine('```\nlog line\n```')).toBe('log line');
+    // Folded, as agent posts arrive: the fence ends where its closing marks are, not at the end.
+    expect(plainLine('Before ```js code ``` after')).toBe('Before after');
+    expect(plainLine('```sh npm test```')).toBe('npm test');
     expect(plainLine('中_文_字 and __init__.py stay')).toBe('中_文_字 and __init__.py stay');
     const link = `${'y'.repeat(160)} see [the doc](https://example.com/aaaaaaaaaaaa`.slice(0, 180);
     expect(plainLine(link)).toMatch(/ see the doc…$/);

frontend/src/v2/__tests__/V2ConnectPage.test.tsx

@@ -164,6 +164,8 @@ describe('V2ConnectPage in zh-CN', () => {
     expect(container.querySelector('.v2-connect__rule .v2-connect__code-head > span'))
       .toHaveTextContent(`Cursor 规则 · 在项目中保存为 ${CURSOR_PROJECT_RULE_PATH}`);
     expect(container.querySelector('.v2-connect__cursor')).toHaveTextContent('在 Cursor 的 MCP 设置里填入你的智能体密钥。');
+    // The intro line that replaced the head's hint renders translated, not just present in source.
+    expect(container.querySelector('p.v2-connect__intro')).toHaveTextContent('MCP 用的是接入时创建的智能体密钥。');
     expect(chrome.join('\n')).not.toMatch(/\b(Copy|Copied|Connect|Manage|Add|Set up|Open|Instance keys|save as)\b/);
     fireEvent.click(screen.getAllByRole('button', { name: '复制' })[0]);
     expect(await screen.findByRole('button', { name: '已复制' })).toBeInTheDocument();

frontend/src/v2/__tests__/v2-layout-invariants.test.ts

@@ -6133,6 +6133,19 @@ describe('secondary pages on the reference grammar (ui-audit-1104 findings 2–8
     expect(css.lastIndexOf('@media (max-width: 760px)')).toBeLessThan(css.indexOf('.v2-feature--aprofile .v2-aprofile__avatar-button::after'));
   });
 
+  test('the public bar\'s keys (Sign up) reach 44px to touch on a phone', () => {
+    const css = read('../agents/v2-agent-profile.css');
+    expect(ruleBody(css, '.v2-aprofile .v2-aprofile__btn')).toContain('height: 28px');
+    // Both bar keys carry a 1px border, and an absolute ::before measures from the padding box,
+    // so the overlay starts from 26, not 28 (measured in Chromium: -8px gave 42).
+    expect(ruleBody(css, '.v2-aprofile .v2-aprofile__btn--primary')).toContain('border: 1px solid');
+    const phone = css.slice(css.lastIndexOf('@media (max-width: 760px)'));
+    const hits = [...phone.matchAll(/\.v2-aprofile \.v2-aprofile__bar \.v2-aprofile__btn::before \{([^}]*)\}/g)].map((m) => m[1]);
+    // The last inset wins: its vertical reach must make 44 from the 26px padding box.
+    const inset = hits.map((body) => body.match(/inset:\s*(-?\d+)px/)).filter(Boolean).pop();
+    expect(28 - 2 - 2 * Number(inset?.[1])).toBeGreaterThanOrEqual(44);
+  });
+
   test('finding 6: the board header icon keys never shrink on a phone', () => {
     const phone = mediaBlockContaining(boardCss, '.v2-feature--board .v2-board__key--icon { flex: none; }');
     expect(ruleBody(boardCss, '.v2-feature--board .v2-board__key--icon', { within: phone })).toContain('flex: none');
@@ -6197,6 +6210,7 @@ describe('Activity built to the d215 signal frames (#s-activity-signal)', () =>
     const text = rule('.v2-activity__moved-text');
     expect(text).toContain('-webkit-line-clamp: 2');
     expect(text).toContain('display: -webkit-box');
+    expect(text).toContain('-webkit-box-orient: vertical');
     expect(text).toContain('overflow: hidden');
   });
 

frontend/src/v2/agents/v2-agent-profile.css

@@ -156,6 +156,9 @@
   .v2-aprofile .v2-aprofile__bar .v2-aprofile__btn { position: relative; }
   .v2-aprofile .v2-aprofile__navlink::before,
   .v2-aprofile .v2-aprofile__bar .v2-aprofile__btn::before { content: ''; position: absolute; inset: -5px -6px; }
+  /* The bar key draws at the v2p small key's 28 with a 1px border, and an absolute overlay
+     measures from inside the border (26), so it reaches 9px each way: 26 + 18 = 44. */
+  .v2-aprofile .v2-aprofile__bar .v2-aprofile__btn::before { inset: -9px -6px; }
   .v2-aprofile .v2-aprofile__navlink::before { inset: -14px -7px; }
   .v2-aprofile .v2-agent-settings__tabs > * { box-sizing: border-box; min-height: 44px; display: inline-flex; align-items: center; }
   .v2-aprofile .v2-aprofile__pod-remove { height: 44px; line-height: 44px; }

frontend/src/v2/components/V2ActivityPage.tsx

@@ -167,7 +167,8 @@ const RECAP_CLIP = 180;
 export const plainLine = (value: string): string => {
   const clipped = value.length >= RECAP_CLIP;
   const fold = (text: string) => text.replace(/\s+/g, ' ').trim();
-  const fence = /```[^\n]*\n?([\s\S]*?)(?:```|$)/g;
+  // The info string is a bare word (js, ts, sh), so a folded post's fence keeps the text after it.
+  const fence = /```[\w+-]*[ \t]*\n?([\s\S]*?)(?:```|$)/g;
   const prose = value.replace(fence, ' ');
   let text = (fold(prose) ? prose : value.replace(fence, ' $1 '))
     .replace(/!?\[([^\]]*)\]\([^)]*\)/g, '$1');