fix(web): collapse PR header actions to icons when narrow

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}

[maria-rcks]

Narrow PR detail headers let the action buttons overflow and paint over the title, and long titles wrapped to two lines. The header row is now a named container: approve/checkout labels collapse to icons below 640/560px, the remaining action labels below 480px (ready and merge swap text for an icon), and the title truncates to one line with an ellipsis. Collapsed controls keep an aria-label and tooltip.

Verified with web typecheck plus same-fixture base/branch captures of PR #9255 at a 1040px viewport.

Built with opencode/muse-spark.

---

Note

Low Risk
Presentation-only changes in the PR detail header; click handlers and merge/checkout behavior are unchanged.

Overview
Fixes narrow PR detail headers where action buttons overlapped the title and long titles wrapped to two lines.

The header row is now a named container (@container/pr-header) so layout responds to panel width, not just the viewport. The title column gets overflow hidden; the main h1 truncates to one line with a tooltip for the full title. The action cluster is shrink-0 so it no longer squeezes the title.

Checkout hides its label below 35rem; approve workflows below 40rem; and merge/ready/conflict/auto-merge controls (plus armed auto-merge badges) hide labels below 30rem, leaving icons. Ready and merge show a PR/merge icon only in the narrowest band. Collapsed controls keep aria-labels, tooltips repeat the full label, and decorative icons are aria-hidden. Auto-merge badge tooltips now prefix the badge text before the existing explanation.

^{Reviewed by Cursor Bugbot for commit b514807. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Collapse PR header action buttons to icons at narrow widths

• In PullRequestDetailPanel, the header now uses a named container query and marks the action area as non-shrinking so overflowing content is hidden.
• At narrow widths, action button labels are removed and only icons remain; tooltips and aria-label expose the action names.
• The PR title heading truncates to a single line, with a tooltip showing the full title; the title edit control remains available.
• Auto-merge status tooltips now include the current action label.
• Behavioral Change: at narrow container widths, several header action buttons display icons only; confirm that aria-label values in PullRequestDetailPanel.tsx still expose the action names to assistive tech.

^{Macroscope summarized b514807.}

[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.2 KiB	13.2 KiB	+12 B (+0.1%)	15.1 KiB	✅
Codex	Thread snapshot wire	6.9 KiB	6.9 KiB	+1 B (+0.0%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.3 KiB	6.3 KiB	+11 B (+0.2%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	55.5 KiB	55.5 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	8	8	0 (0.0%)	21	✅
Claude	Total thread wire	13.3 KiB	13.3 KiB	+6 B (+0.0%)	15.1 KiB	✅
Claude	Thread snapshot wire	6.9 KiB	6.9 KiB	+2 B (+0.0%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+4 B (+0.1%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	56.4 KiB	56.4 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	10	10	0 (0.0%)	21	✅

Baseline: 3b2de9d · PR result: b514807 · 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: 109.4 KiB
• Claude decoded thread snapshot: 110.1 KiB

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

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 2 potential issues.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 241f5e4. Configure here.}

[macroscopeapp]

Approvability

Verdict: Approved at b514807

Macroscope's review found this PR approvable — This is a self-contained, single-file responsive UI fix: existing PR actions keep their handlers while labels collapse to accessible icons and long titles gain truncation with tooltips. It changes presentation only and introduces no schema, configuration, deployment, or sensitive-data impact.

^{You can add or adjust custom eligibility rules. Learn more.}