Remove all vestiges of the abandoned Trash system: trashed/trashedAt fields
from types, frontmatter parsing, sidebar filtering, editor banners, inspector
components, mock data, and all related tests. Delete is already permanent via
useDeleteActions with a confirmation dialog. Notes with trashed:true in
existing vault frontmatter are now treated as normal notes (the flag is
ignored by the parser).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Verifies that searching "Writing" in Quick Open shows the exact title
match first, followed by prefix matches. Also adds Refactoring test
entries to mock data and demo vault.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
