test: remove non-core Playwright tests to bring suite under 10 minutes
Removed 18 test files (73 tests) that don't meet core E2E criteria:
Pure cosmetic/UI-detail tests:
- clickable-editor-empty-space (cursor:text CSS)
- filter-pills-height (exact pixel height check)
- properties-panel-style (label casing, font sizes, styling)
- title-emoji-inline (flex layout, font size, alignment)
- title-field-alignment (CSS variables, separator border)
- type-icon-color-sidebar-label (icon color CSS variables)
- migrate-to-flat-vault (title field styling, H1 CSS hiding)
- image-drop-overlay-fix (drag overlay visibility)
Duplicate/redundant coverage:
- note-icon (fully duplicated by note-icon-emoji-picker)
- note-icon-emoji-picker (granular emoji picker, not core flow)
- emoji-icon-everywhere (emoji display locations)
- split-notelist-god-component (stale refactor validation)
- split-usenoteactions (stale refactor validation)
- open-in-new-window (command existence check)
- three-source-of-truth (covered by cache-invalidation-vault-open)
- show-type-instances-inspector (inspector detail)
- note-list-incomplete-relationships (complex async timing)
- note-list-preview-snippet (snippet formatting detail)
Suite: 195 → 122 tests, runtime: ~12.5m → ~9.6m (under 10m target)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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