v0.14.0

What's Changed

• feat: enable auto-merge by default on PRs (#549)
• feat: pager mode — read piped stdin (git diff | mantis) (#547)
• test: backfill missing sibling _test.rs companions and schedule coverage runs (#548)
• fix: update main binary tests to editor-style keymap defaults (#545)
• feat: implement structured tabbed help overlay (#546)
• fix: stop clipboard tests from writing to the real system clipboard (#544)
• feat: content search regex / case-sensitive / whole-word toggles (#543)
• feat: editor-style keymap defaults (VS Code / Sublime conventions) (#542)
• feat(plugin): implement protocol v3 (#541)
• refactor: split event_source.rs into module directory (#540)
• fix: / tree filter cannot find files in collapsed subdirectories (#538)
• docs: draft plugin protocol v3 (#539)
• feat: single action registry unifying palette, keymap, and help (#532)
• fix(markdown-plugin): assign current_file so re-render paths actually run (#537)
• fix: overwrite stale bundled plugin binaries on upgrade (#536)
• perf: fix bench slicing bug, O(depth^2) tree walk, per-frame guide scan, per-redraw syntax I/O (#531)
• fix: disable alternate-scroll mode to stop wheel-up glitch at top (#529)
• ci: serialize main-branch version-bump pushes (#530)
• chore: bump Homebrew formula to v0.13.4 [skip ci]