fix(windows): polish the new look's details sheet, lines, activity and support

[raydocs]

Owner: docs/SHIP_PLAN.md 0.0.75 (owner 2026-10-06: "uiux 细节打磨"). Presentation only: no handler, protection, routing or native change.

What changes

• Home details sheet (IHOME-12): the reused cards start on one 14px edge, read in the page font (the line button fell back to the platform font, figures were monospace), the two small tiles share a height, and the active line's latency reads 83 ms like the home chip and the lines page.
• Activity: an app with more than twenty connections now offers "Show all N"; every row keeps its close button on the same generation-checked path (feat(windows-ui): PR8 sea activity and account (0.0.75 preview) #1411 F3). The close-all row is not rendered while Tono is not connected (it was a permanently disabled button).
• Lines: a line with no separate city word is named once, not twice. The recommended card's help glyph is a 20px ring button centred on the tag.
• Disclosures (support, tray, lines technical details, home steps): one chevron that turns when open, instead of the platform triangle; no transition under prefers-reduced-motion.
• Support: the three action buttons share one height (40px).

Verification

• One regression per behaviour, each run red on the old source (three source files reverted: 4 failed | 69 passed): Unable to find an element with the text: 83 ms; Unable to find … Show all 23; expected <button …> to be null; Found multiple elements with the text: Singapore · Harbor.
• MacBook: vitest run → Test Files 56 passed (56) / Tests 396 passed (396); typecheck → unchecked indexed access errors 79 (baseline 79).
• Shell preview at 920×600 (zh; details sheet also en): support buttons measured 40,40,40; help glyph and tag centres 230.5 / 230.5.

Limitations

• Not run on Windows/WebView2. :has() and :nth-last-child(… of …) need WebView2 ≥ 111.
• The four CSS-only items have no unit test; they were checked in the preview.
• biome still reports two pre-existing issues in activity.test.tsx (useSemanticElements at line 69, the serversMock block format); left alone.
• Not here: TextSwap cross-fade (Add the opt-in SeaScene home and retained details #1393 codex:F1), telemetry copy (feat(windows-ui): PR9 sea support and settings (0.0.75 preview) #1412 F2, owner's wording).

🤖 Generated with Claude Code

https://claude.ai/code/session_01Cq68RQJmV6Xiao13p3SEat

[raydocs]

Review record (jev-route)

• Decision 4480cc8a, run 5f90855c, range origin/main...c7a1a0943: single slot, Opus 5.5 (jev-reviewer), verified by Codex gpt-6.1-sol. PASSED, 0 blocking.
  • opus:F1 (minor, record): the changelog misdescribed the old latency label. Corrected.
  • opus:F2 (minor, test): the close regression closed a row that was already among the first twenty. It now asserts the 23rd row is absent, clicks "Show all 23", and closes that row (closeConnection('group-22', 7)).
  • opus:F3 (suggestion): every row of an expanded app stayed mounted after collapse. A collapsed app now returns to its first twenty; one regression, red without the handler (to have a length of 20 but got 23).
• Fix round f10ff6942. Local: vitest run 56 files / 397 tests; typecheck 79 (baseline 79).
• ci-gate on the exact head f10ff69421bd9d0c1685531ad6c43b278c4b6448: green, https://github.com/raydocs/tono/actions/runs/37521619167
• Review threads: 0 unresolved; no CHANGES_REQUESTED.
• Not verified: Windows/WebView2 hardware. UI PR, merged under the owner's 2026-10-06 instruction to merge the new-look work into main.

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