Files tab: .md → note editor via CheckFileAction + frontend

Backend:
- FindByFileID: notes+files JOIN query
- LinkFile: INSERT OR IGNORE notes record
- CheckFileAction binding: note/preview/external/auto-link

Frontend (App.svelte):
- Import isMarkdownFile from fileUtils
- openPreview now calls CheckFileAction for .md files
- .md+note → switch to Notes tab + note editor
- .md outside Notes/ → inline preview
- non-.md → unchanged

Tests: 7 new (FindByFileID×3, CheckFileAction×4), all PASS
This commit is contained in:
2026-06-15 18:42:37 +08:00
parent fec35f55b8
commit bfe57ac0ac
8 changed files with 433 additions and 23 deletions
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