refactor(web): give InlineButton size, tone and a real underline

[juliusmarminge]

Six of eight InlineButton sites re-declared font-medium underline-offset-2
hover:underline plus a tone, each slightly differently. Make that the
meaning of the existing underline prop, and add size="xs" (11px medium)
and tone="default|muted|subtle|destructive" for the four tones in use.

Visible effect: the sidebar undo notice's link now underlines text on hover
instead of drawing a bottom border, matching every other inline link.

Lowers the no-restyle ceiling from 1066 to 1038.

Part of the components/ui className cleanup (audit and guardrail: #12982). Each layer of stack #12993 lowers the shadcn/no-restyle ceiling; CI fails if the count rises.

Written by Claude Fable 5 in Claude Code.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Style
  • Standardized inline buttons across pull requests, settings, process controls, and thread notices.
  • Added consistent options for button size, tone, and underlined link-style actions.
  • Preserved distinct visual emphasis for muted and destructive actions.
  • Updated expandable text, reset, navigation, and undo controls with consistent interaction styling.
  • Refined underlined actions to provide a more consistent text-link appearance.
  • Improved alignment with the project’s restyling standards.

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

ℹ️ No successful main baseline artifact is available yet. This run establishes the initial measurement.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	—	13.5 KiB	—	15.1 KiB	✅
Codex	Thread snapshot wire	—	7.1 KiB	—	7.3 KiB	✅
Codex	Live turn WebSocket wire	—	6.5 KiB	—	7.8 KiB	✅
Codex	Live turn WebSocket decoded	—	56.3 KiB	—	66.4 KiB	✅
Codex	Live turn messages	—	10	—	21	✅
Claude	Total thread wire	—	13.5 KiB	—	15.1 KiB	✅
Claude	Thread snapshot wire	—	7.1 KiB	—	7.3 KiB	✅
Claude	Live turn WebSocket wire	—	6.4 KiB	—	7.8 KiB	✅
Claude	Live turn WebSocket decoded	—	57.0 KiB	—	66.4 KiB	✅
Claude	Live turn messages	—	9	—	21	✅

Baseline: unavailable · PR result: fa7e3d5 · Source CI: success

Scenario and decoded snapshot size

10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.

• Codex decoded thread snapshot: 113.9 KiB
• Claude decoded thread snapshot: 114.6 KiB

Updated in place by a trusted workflow. PR artifacts are strictly validated and never executed.

[macroscopeapp]

Approvability

Verdict: Approved at 919f19b

Macroscope's review found this PR approvable — This is a localized InlineButton styling refactor that centralizes existing size, tone, and underline classes, with only minor intended visual changes and no data, workflow, schema, or deployment impact. The lint threshold is tightened rather than suppressed.

No code changes detected at fa7e3d5. Prior analysis still applies.

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📒 Files selected for processing (1)

• apps/web/src/components/ui/button.tsx

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📝 Walkthrough

Walkthrough

InlineButton now provides shared size, tone, and underline variants. Pull request, settings, and sidebar call sites use these props instead of custom styling classes. The restyle lint ceiling is reduced to 1039.

Changes

InlineButton styling consolidation

Layer / File(s)	Summary
InlineButton variant API apps/web/src/components/ui/button.tsx	InlineButton now supports centralized size, tone, and underline variants through generated classes.
InlineButton call-site migration apps/web/src/components/pullRequest/PullRequestGhosts.tsx, apps/web/src/components/settings/*, apps/web/src/components/sidebar/SidebarThreadUndoNotice.tsx, scripts/lint-restyle-ceiling.ts	Existing buttons use the new InlineButton props. The restyle lint ceiling is reduced from 1067 to 1039.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Refactor

Merge Risk: ⚪ Minimal · up to 919f1

This styling-only refactor centralizes InlineButton presentation and updates its call sites; no actionable production risk is currently identified, so it is ready to merge with normal checks.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 7 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly summarizes the main change: adding size and tone options to InlineButton and implementing a real underline.
Description check	✅ Passed	The description clearly explains the changes, rationale, visible UI effect, and restyle ceiling update. It does not use the template headings, include screenshots for the UI changes, or include the ch…

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Actionable comments posted: 1

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Inline comments:
In `@apps/web/src/components/ui/button.tsx`:
- Line 116: Update the destructive variant in the button’s variant configuration
to include its hover-state destructive color, restoring visual feedback while
preserving the existing text color.

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📥 Commits

Reviewing files that changed from the base of the PR and between 8ebe1cc and 235c14d.

📒 Files selected for processing (7)

• apps/web/src/components/pullRequest/PullRequestGhosts.tsx
• apps/web/src/components/settings/ExpandableText.tsx
• apps/web/src/components/settings/ProcessSignalActions.tsx
• apps/web/src/components/settings/SettingInheritance.tsx
• apps/web/src/components/sidebar/SidebarThreadUndoNotice.tsx
• apps/web/src/components/ui/button.tsx
• scripts/lint-restyle-ceiling.ts

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Dismissing prior approval to re-evaluate 900d539

[juliusmarminge]

Fixed: the destructive tone rests at text-destructive/80 and goes full text-destructive on hover, so it has feedback like the other tones.

Dismissing prior approval to re-evaluate 919f19b

[juliusmarminge]

Superseded by the reworked stack (#12993 v2). After review feedback the layers were rebuilt to add fewer props and take more opinions in the base; see the new stack for the replacement.