v1.4.98-rc.2

What's Changed

• Support H4 and H5 markdown headings by @AmethystLiang in #6349
• Keep PR checks status in sync by @brennanb2025 in #6328
• Reduce Git refresh subprocess fanout by @brennanb2025 in #6324
• Fix image paste in Remote Host terminals by @Jinwoo-H in #6380
• Remove split pane toolbar button by @brennanb2025 in #6372
• Make permission attention indicators consistent by @brennanb2025 in #6384
• Fix split terminal tab focus target by @brennanb2025 in #6375
• Repair stale split terminal PTY focus by @brennanb2025 in #6379
• perf(git-status): throttle trailing refreshes and coalesce main-process reads by @wolfiesch in #6341

Full Changelog: v1.4.98-rc.1...v1.4.98-rc.2