Phase 4 of the UX overhaul. Restructures the show issue and show MR
detail displays with consistent section layout, state icons, and
improved typography.
Issue detail changes:
- Replace bold header + box-drawing underline with indented title using
Theme::bold() for the title text only
- Organize fields into named sections using render::section_divider():
Details, Development, Description, Discussions
- Add state icons (Icons::issue_opened/closed) alongside text labels
- Add relative time in parentheses next to Created/Updated dates
- Switch labels from "Labels: (none)" to only showing when present,
using format_labels_bare for clean comma-separated output
- Move URL and confidential indicator into Details section
- Closing MRs show state-colored icons (merged/opened/closed)
- Discussions use section_divider instead of bold text, remove colons
from author lines, adjust wrap widths for consistent indentation
MR detail changes:
- Same section-divider layout: Details, Description, Discussions
- State icons for opened/merged/closed using Icons::mr_* helpers
- Draft indicator uses Icons::mr_draft() instead of [Draft] text prefix
- Relative times added to Created, Updated, Merged, Closed dates
- Reviewers and Assignees fields aligned with fixed-width labels
- Labels shown only when present, using format_labels_bare
- Discussion formatting matches issue detail style
Both views use 5-space left indent for field alignment and consistent
wrap widths (72 for descriptions, 68/66 for discussion notes/replies).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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