sync: update from private repo (91d8d79c)

ui/e2e/spaces.spec.ts

@@ -217,10 +217,13 @@ test('spaces foundation: rail, create case space, open detail tabs', async ({ pa
 });
 
 // Mobile (<md) layout: the rail and detail must NOT sit side-by-side on a
-// phone. With no space selected the rail is a full-width list; selecting a
-// space replaces the rail with a full-width detail plus a "← ワークスペース一覧"
-// back control that returns to the rail. At >=md both are visible together
-// (unchanged), so this invariant only holds at narrow widths.
+// phone. Startup auto-opens the personal workspace (App.tsx's one-shot
+// personalSpaceAutoOpened guard), so detail is the initial full-width view;
+// backing out returns to the full-width rail (the guard does not re-fire) and
+// selecting another space replaces the rail with detail plus a
+// "← ワークスペース一覧" back control that returns to the rail. At >=md both
+// are visible together (unchanged), so this invariant only holds at narrow
+// widths.
 test('spaces mobile: rail <-> detail switch with back control at 390px', async ({ page }) => {
   await page.setViewportSize({ width: 390, height: 844 });
 
@@ -229,9 +232,18 @@ test('spaces mobile: rail <-> detail switch with back control at 390px', async (
   // URL state (page=spaces) instead — it's the same selection, sans drawer.
   await page.goto('/ui?page=spaces');
 
-  // No space selected: the rail is the visible full-width list; detail hidden.
+  // Startup auto-opens the personal workspace: detail is the visible
+  // full-width view, rail is hidden, and the back control is already present.
   const rail = page.getByTestId('space-rail');
   const detail = page.getByTestId('space-detail');
+  const back = page.getByTestId('space-back-to-list');
+  await expect(detail).toBeVisible();
+  await expect(rail).toBeHidden();
+  await expect(back).toBeVisible();
+
+  // Tapping back clears the selection and returns to the full-width rail. The
+  // auto-open guard is one-shot, so it does not immediately re-select.
+  await back.click();
   await expect(rail).toBeVisible();
   await expect(detail).toBeHidden();
   await expect(page.getByTestId('space-back-to-list')).toHaveCount(0);
@@ -250,7 +262,6 @@ test('spaces mobile: rail <-> detail switch with back control at 390px', async (
   await expect(detail).toBeVisible();
   await expect(detail.getByText(caseTitle)).toBeVisible();
   await expect(rail).toBeHidden();
-  const back = page.getByTestId('space-back-to-list');
   await expect(back).toBeVisible();
 
   // Tapping back clears the selection and returns to the full-width rail.
@@ -331,10 +342,10 @@ test('space inline chat: create + open conversation without leaving for Tasks',
   //    (urlState serializes page=spaces) and sets the chat= param for the
   //    selected inline chat. It must NOT switch to page=tasks (which would
   //    drop page= entirely AND have no chat=).
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(page).toHaveURL(/[?&]chat=\d+/);
   expect(page.url()).toContain('chat=');
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   // The Spaces detail (not the Tasks board) is still mounted.
   await expect(detail).toBeVisible();
 
@@ -353,9 +364,8 @@ test('space inline chat: create + open conversation without leaving for Tasks',
   // No overlay close affordance — the redesign dropped the overlay entirely.
   await expect(page.getByTestId('detail-panel-close')).toHaveCount(0);
   // Invariant: still inline on Spaces, same chat, never bounced to Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
   await expect(page).toHaveURL(/[?&]chat=\d+/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   // Return to the conversation via the 会話 tab so the rest of the flow
   // (creating a second chat) starts from chat again.
   await conversation.getByTestId('space-chat-tab-chat').click();
@@ -390,8 +400,7 @@ test('space inline chat: create + open conversation without leaving for Tasks',
   expect(secondChatId).not.toBe(firstChatId);
   await expect(conversation).toBeVisible();
   // Still on Spaces, still has a chat — never bounced to Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
@@ -497,8 +506,7 @@ test('space files: icon grid, upload appears as tile, click opens preview modal'
   await expect(dialog).toHaveCount(0);
 
   // 6. No-nav invariant: file management never leaves Spaces for the Tasks board.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(detail).toBeVisible();
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
@@ -679,9 +687,8 @@ test('space output link: chat output-path link opens preview modal', async ({ pa
   await expect(dialog).toHaveCount(0);
 
   // 7. No-nav invariant: clicking the link previewed in place, never bounced to Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
   await expect(page).toHaveURL(/[?&]chat=\d+/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(detail).toBeVisible();
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
@@ -689,12 +696,17 @@ test('space output link: chat output-path link opens preview modal', async ({ pa
 
 // Redesigned space-chat UX (feat/space-chat-ux). The inline conversation now
 // carries a SINGLE in-place tab bar (data-testid="space-chat-tabs", role=tablist)
-// with 会話 (chat) + 概要 (overview) + 進捗 (activity) + トレース (trace) and NO
-// files tab (files live at the space level). Clicking a non-chat tab swaps the
-// content IN PLACE — no overlay, no ✕ close button — and 会話 returns to the
-// conversation. Throughout, we never leave for the Tasks page (page=spaces +
-// chat= stay put). No LLM is configured in E2E, so we assert UI/structure only,
-// never agent output.
+// with 会話 (chat) + 概要 (overview) + 進捗 (activity) + ファイル (files) +
+// トレース (trace). This chat-level ファイル tab is distinct from the
+// space-level files (SpaceDetail.tsx comment: it shows the chat's own
+// input/output/logs under runs/{taskId}, not the shared space deliverables).
+// On desktop (md+) SpaceDetail renders a ChatDetailSplit: 会話 (with its
+// composer) is ALWAYS mounted on the left and never unmounts; a non-chat tab
+// opens the selected detail panel in a right pane alongside it (no overlay,
+// no ✕ close button) — clicking 会話 just collapses the right pane back to
+// full-width chat, it doesn't remount the conversation. Throughout, we never
+// leave for the Tasks page (space= + chat= stay put; no page= param). No LLM
+// is configured in E2E, so we assert UI/structure only, never agent output.
 test('space chat tabs: single in-place tab bar, overview in place, back to chat', async ({ page }) => {
   const fatalErrors: string[] = [];
   const benignAsset = /\.(ico|png|svg|map|webmanifest|json)$/i;
@@ -755,15 +767,16 @@ test('space chat tabs: single in-place tab bar, overview in place, back to chat'
   const overviewTab = page.getByTestId('space-chat-tab-overview');
   await expect(chatTab).toBeVisible();
   await expect(overviewTab).toBeVisible();
-  // No files tab inside this in-place bar (files are a space-level concern).
-  await expect(tabs.getByTestId('space-chat-tab-files')).toHaveCount(0);
+  // The chat-level ファイル tab is present too (per-chat I/O/logs, distinct
+  // from the space-level files tab).
+  await expect(tabs.getByTestId('space-chat-tab-files')).toBeVisible();
   // 会話 is the default-selected tab; the message composer (textarea) is present.
   await expect(chatTab).toHaveAttribute('aria-selected', 'true');
   await expect(conversation.locator('textarea')).toBeVisible();
 
-  // 3. Click 概要 → its content renders IN PLACE. There is NO overlay and NO ✕
-  //    close button (headerless DetailPanel ⇒ no detail-panel-close testid), and
-  //    the overview tab becomes aria-selected. The conversation composer is gone.
+  // 3. Click 概要 → it opens as a right-pane detail panel. There is NO overlay
+  //    and NO ✕ close button (headerless DetailPanel ⇒ no detail-panel-close
+  //    testid), and the overview tab becomes aria-selected.
   await overviewTab.click();
   await expect(overviewTab).toHaveAttribute('aria-selected', 'true');
   await expect(chatTab).toHaveAttribute('aria-selected', 'false');
@@ -772,20 +785,22 @@ test('space chat tabs: single in-place tab bar, overview in place, back to chat'
   await expect(conversation.getByRole('tabpanel')).toBeVisible();
   // No overlay close affordance anywhere on the page.
   await expect(page.getByTestId('detail-panel-close')).toHaveCount(0);
-  // Composer is swapped out (overview content replaced the conversation in place).
-  await expect(conversation.locator('textarea')).toHaveCount(0);
+  // The chat composer stays mounted (ChatDetailSplit's left pane never
+  // unmounts on desktop — see the top-of-file comment) — exactly one
+  // textarea, not the zero a full replacement would produce.
+  await expect(conversation.locator('textarea')).toHaveCount(1);
 
-  // 4. Click 会話 → back to the conversation; composer returns, chat selected.
+  // 4. Click 会話 → the right pane collapses back to full-width chat.
   await chatTab.click();
   await expect(chatTab).toHaveAttribute('aria-selected', 'true');
   await expect(overviewTab).toHaveAttribute('aria-selected', 'false');
   await expect(conversation.locator('textarea')).toBeVisible();
 
   // 5. No navigation to Tasks throughout: page=spaces + chat= held the entire time.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(page).toHaveURL(/[?&]chat=\d+/);
   expect(page.url()).toContain('chat=');
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(detail).toBeVisible();
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
@@ -932,8 +947,7 @@ test('space settings tab: AGENTS.md per-space persistence + MCP/SSH panels rende
   await expect(page.getByTestId('space-ssh-panel')).toBeVisible();
 
   // 6. No-nav invariant: settings is in-place, never leaves Spaces for Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(detail).toBeVisible();
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
@@ -1094,8 +1108,7 @@ test('space MCP isolation: server registered in A is visible in A, absent in B',
   await expect(page.getByTestId('space-mcp-panel')).not.toContainText(mcpName);
 
   // No-nav invariant + no fatal client errors.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1153,8 +1166,7 @@ test('space chat DELETE: toolbar delete removes the chat and returns to the list
   await expect.poll(() => new URL(page.url()).searchParams.get('chat')).toBeFalsy();
 
   // No-nav invariant: deletion stayed on Spaces, never bounced to Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1197,8 +1209,7 @@ test('space chat CANCEL: ChatPane stop button cancels a running task', async ({
   const status = await waitForTerminalJob(page, taskId, 20_000);
   expect(status).toBe('cancelled');
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1242,8 +1253,7 @@ test('space chat SHARE: toolbar share publishes a share token', async ({ page, c
     timeout: 15_000,
   });
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1287,8 +1297,7 @@ test('space chat CONTINUE: button gated on terminal job; opens ContinueWithPiece
   await expect(page.locator('#continue-instruction')).toBeVisible();
   await expect.poll(async () => pieceSelect.locator('option').count()).toBeGreaterThan(0);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1325,7 +1334,7 @@ test('space chat VISIBILITY: no visibility control (fixed member-only scope)', a
   // tests in this file still assert it and are stale — see issue #782 follow-up).
   await expect(page).toHaveURL(/[?&]space=[^&]+/);
   await expect(page).toHaveURL(/[?&]chat=\d+/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1345,15 +1354,17 @@ test('space chat FEEDBACK: 概要 tab renders OverviewTab; rating round-trip sav
     'E2E: フィードバックテスト用チャット。最初のメッセージ。',
   );
 
-  // Always-verifiable: switch to 概要 → OverviewTab renders in place. The
-  // composer (textarea) is swapped out and the shared tabpanel is mounted.
+  // Always-verifiable: switch to 概要 → OverviewTab opens as a right-pane
+  // detail panel and the shared tabpanel is mounted.
   const overviewTab = conversation.getByTestId('space-chat-tab-overview');
   await expect(overviewTab).toBeVisible();
   await overviewTab.click();
   await expect(overviewTab).toHaveAttribute('aria-selected', 'true');
   const panel = conversation.getByRole('tabpanel');
   await expect(panel).toBeVisible();
-  await expect(conversation.locator('textarea')).toHaveCount(0);
+  // The chat composer stays mounted (ChatDetailSplit's left pane never
+  // unmounts on desktop) — exactly one textarea.
+  await expect(conversation.locator('textarea')).toHaveCount(1);
 
   // Active path: the FeedbackPanel only renders once the job is succeeded/failed.
   const status = await waitForTerminalJob(page, taskId);
@@ -1397,8 +1408,7 @@ test('space chat FEEDBACK: 概要 tab renders OverviewTab; rating round-trip sav
     conversationAfter.getByRole('tabpanel').getByRole('button', { name: /^(Change|変更)$/ }),
   ).toBeVisible({ timeout: 15_000 });
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1421,14 +1431,14 @@ test('space settings sub-tabs: agents/memory/pieces/skills/mcp/ssh all render th
   // memory → the MemoryEntriesPanel header + new-entry button render. The header
   // text is i18n (English in the E2E browser locale, Japanese otherwise).
   await page.getByTestId('space-settings-nav-memory').click();
-  await expect(page.getByText(/Memory entries|メモリエントリ/)).toBeVisible({ timeout: 15_000 });
+  await expect(page.getByRole('heading', { name: /Memory entries|メモリエントリ/ })).toBeVisible({ timeout: 15_000 });
   await expect(page.getByRole('button', { name: /New entry|新しいエントリ/ })).toBeVisible();
 
-  // pieces → the SpacePiecesPanel list (Default / Custom sections) renders. These
-  // section labels are literal (non-i18n) strings; match the built-in piece list.
+  // pieces → the SpacePiecesPanel list (Default / Custom sections) renders.
+  // These section labels are i18n (spaces.json settings.pieces.default/custom).
   await page.getByTestId('space-settings-nav-pieces').click();
-  await expect(page.getByText('Default', { exact: true })).toBeVisible({ timeout: 15_000 });
-  await expect(page.getByText('Custom', { exact: true })).toBeVisible();
+  await expect(page.getByText(/^(Default|標準)$/)).toBeVisible({ timeout: 15_000 });
+  await expect(page.getByText(/^(Custom|カスタム)$/)).toBeVisible();
 
   // skills → the SkillsForm heading renders (the install-from-URL input is
   // intentionally hidden in space mode — the Git install path isn't space-scoped
@@ -1442,8 +1452,7 @@ test('space settings sub-tabs: agents/memory/pieces/skills/mcp/ssh all render th
   await page.getByTestId('space-settings-nav-ssh').click();
   await expect(page.getByTestId('space-ssh-panel')).toBeVisible({ timeout: 15_000 });
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1493,11 +1502,10 @@ test('space settings MEMORY: entry saved in space A persists + is absent in spac
   await expect(detail).toBeVisible();
   await page.getByTestId('space-tab-settings').click();
   await page.getByTestId('space-settings-nav-memory').click();
-  await expect(page.getByText(/Memory entries|メモリエントリ/)).toBeVisible({ timeout: 15_000 });
+  await expect(page.getByRole('heading', { name: /Memory entries|メモリエントリ/ })).toBeVisible({ timeout: 15_000 });
   await expect(page.getByText(memName, { exact: true })).toHaveCount(0);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1542,8 +1550,7 @@ test('space calendar: tab renders month grid + month nav', async ({ page }) => {
   await page.getByTestId('space-cal-prev').click();
   await expect(title).toHaveText(initial!);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1556,7 +1563,7 @@ test('space calendar: add event → list + day badge + persists across reload',
 
   const today = e2eLocalToday();
   const todayCell = page.getByTestId(`space-cal-day-${today}`);
-  // Badge baseline: today's event count badge (📌N) is absent before adding.
+  // Baseline: today's event count badge (📌N) is absent before adding.
   await expect(todayCell.getByText(/^📌/)).toHaveCount(0);
 
   // Open today's day panel and add an event.
@@ -1577,13 +1584,26 @@ test('space calendar: add event → list + day badge + persists across reload',
   await expect(panel.getByText(eventTitle, { exact: true })).toBeVisible({ timeout: 10_000 });
   await expect(panel.getByText('14:30')).toBeVisible();
 
-  // The day cell event badge increments to 📌1 after the month query invalidates.
-  await expect(todayCell.getByText('📌1')).toBeVisible({ timeout: 10_000 });
+  // Grab the event id from its panel row so we can assert both month-grid
+  // indicators by id (a single-day event drives TWO separate render paths).
+  const row = panel.locator('[data-testid^="space-cal-event-"]').filter({ hasText: eventTitle }).first();
+  const eventId = (await row.getAttribute('data-testid'))!.replace('space-cal-event-', '');
+  expect(eventId).toMatch(/^\d+$/);
 
-  // Persists across a full reload (server-backed, not just client state).
+  // Month grid shows BOTH indicators for the single-day event:
+  //  - the 📌1 day-cell badge (counts.eventCount path, added in #808 / #804).
+  //    exact:true so it pins count===1, not a substring of 📌1x.
+  //  - a colSpan-1 week bar (layoutWeekBars path) — a separate code path, so
+  //    assert it explicitly (a badge-only check would miss a phantom-bar bug).
+  await expect(todayCell.getByText('📌1', { exact: true })).toBeVisible({ timeout: 10_000 });
+  await expect(page.getByTestId(`space-cal-bar-${eventId}`)).toBeVisible({ timeout: 10_000 });
+
+  // Persists across a full reload (server-backed, not just client state):
+  // day-cell badge, week bar, and the day-panel event all come back.
   await page.reload();
   await page.getByTestId('space-tab-calendar').click();
-  await expect(page.getByTestId(`space-cal-day-${today}`).getByText('📌1')).toBeVisible({ timeout: 10_000 });
+  await expect(page.getByTestId(`space-cal-day-${today}`).getByText('📌1', { exact: true })).toBeVisible({ timeout: 10_000 });
+  await expect(page.getByTestId(`space-cal-bar-${eventId}`)).toBeVisible({ timeout: 10_000 });
   await page.getByTestId(`space-cal-day-${today}`).click();
   await expect(page.getByTestId('space-cal-day-panel').getByText(eventTitle, { exact: true })).toBeVisible({ timeout: 10_000 });
 
@@ -1621,12 +1641,20 @@ test('space calendar: edit + delete an event', async ({ page }) => {
   await page.getByTestId('space-cal-event-save').click();
   await expect(panel.getByText(newTitle, { exact: true })).toBeVisible({ timeout: 10_000 });
   await expect(panel.getByText(origTitle, { exact: true })).toHaveCount(0);
+  // While the event exists the day cell carries both month-grid indicators:
+  // the 📌1 badge (eventCount path) and the colSpan-1 week bar (layoutWeekBars
+  // path). Assert both so a regression in either path is caught.
+  await expect(todayCell.getByText('📌1', { exact: true })).toBeVisible({ timeout: 10_000 });
+  await expect(page.getByTestId(`space-cal-bar-${eventId}`)).toBeVisible({ timeout: 10_000 });
 
-  // Delete: confirm the window.confirm() then assert the row disappears + badge clears.
+  // Delete: confirm the window.confirm() then assert the row disappears and
+  // BOTH month-grid indicators clear (badge tracks eventCount, bar comes from
+  // the events array — separate paths, so a delete could orphan one).
   page.once('dialog', (d) => d.accept());
   await panel.getByTestId(`space-cal-event-delete-${eventId}`).click();
   await expect(panel.getByTestId(`space-cal-event-${eventId}`)).toHaveCount(0, { timeout: 10_000 });
   await expect(todayCell.getByText(/^📌/)).toHaveCount(0, { timeout: 10_000 });
+  await expect(page.getByTestId(`space-cal-bar-${eventId}`)).toHaveCount(0, { timeout: 10_000 });
 
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
@@ -1658,8 +1686,7 @@ test('space calendar: day panel lists tasks created in the space', async ({ page
   await expect(page.getByTestId('space-conversation')).toBeVisible();
   await expect(page).toHaveURL(/[?&]chat=\d+/);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1706,8 +1733,7 @@ test('space settings MEMBERS: panel renders + invite shows no-auth hint', async
   await expect(picker).toBeVisible({ timeout: 15_000 });
   await expect(picker.getByText('認証を有効化するとワークスペースを共有できます。')).toBeVisible();
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1743,8 +1769,7 @@ test('space sources: curated ソース list view (incl. empty-state) is absent o
   await expect(page.getByTestId('space-sources')).toHaveCount(0);
   await expect(page.getByTestId('space-sources-empty')).toHaveCount(0);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1799,8 +1824,7 @@ test('space sources: source/ folder still accumulates and is browsable; curated
     page.locator('[data-testid="space-file-tile"][data-name="index.jsonl"]'),
   ).toHaveCount(0);
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1857,8 +1881,7 @@ test('space settings BROWSER: panel + three groups render with empty states', as
   await expect(recordings.getByRole('heading', { name: '録画' })).toBeVisible();
   await expect(recordings).toContainText('このワークスペースにはまだ録画がありません');
 
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
 
@@ -1904,7 +1927,7 @@ test('space files DELETE: select a file and delete it (gone); ソース list vie
   await expect(tile).toHaveCount(0, { timeout: 15000 });
 
   // No-nav invariant.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   await expect(detail).toBeVisible();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });
@@ -1978,13 +2001,15 @@ test('space RENAME: header pencil renames the workspace and the title updates',
   const fatalErrors = trackFatalErrors(page);
   const { detail, caseTitle, rail } = await createAndOpenCaseSpace(page, 'E2E改名');
 
-  // Open the inline rename editor, change the title, save.
-  await page.getByTestId('space-rename').click();
-  const input = page.getByTestId('space-rename-input');
+  // Open the header pencil, which reuses the create/edit SpaceFormDialog
+  // (space-title-input pre-filled with the current title, same submit button
+  // as create). There is no dedicated inline rename input/save pair.
+  await page.getByTestId('space-edit').click();
+  const input = page.getByTestId('space-title-input');
   await expect(input).toBeVisible();
   const renamed = `${caseTitle}-改`;
   await input.fill(renamed);
-  await page.getByTestId('space-rename-save').click();
+  await page.getByTestId('space-form-submit').click();
 
   // The header reflects the new title, and the rail row updates too.
   await expect(detail).toContainText(renamed);
@@ -2013,8 +2038,7 @@ test('space DELETE: case workspace delete returns to the list (selection cleared
   await expect.poll(() => new URL(page.url()).searchParams.get('space')).toBeFalsy();
 
   // Still on Spaces, never bounced to Tasks.
-  await expect(page).toHaveURL(/[?&]page=spaces(&|$)/);
-  expect(page.url()).not.toContain('page=tasks');
+  expect(new URL(page.url()).searchParams.get('page')).toBeFalsy();
   expect(fatalErrors, `fatal errors:\n${fatalErrors.join('\n')}`).toEqual([]);
 });