Show images in asset directories with preview, rename, replacement, and trash recovery. Update local Markdown references when images move and restore original files if related metadata cannot be committed.
Refresh image previews after replacement and compare actual contents when deduplicating subsequent uploads.
- vault: path validation (no traversal, hidden segments or symlink
escape), atomic writes with If-Match/If-None-Match revisions, moves
that carry the note's .assets folder and rewrite its image links,
trash with restore, content-addressed asset uploads
- auth: single-user Argon2id password, sliding sessions in SQLite,
login rate limiting, first-run setup gated by a one-time code written
to the data directory
- watch: fsnotify plus periodic rescans diffed against a snapshot, so
both RawMark and external edits are broadcast as tree/changed/moved/
deleted events over WebSocket
- api: stdlib router, SameSite=Strict cookies plus Origin checks,
sandboxed raw file serving, embedded SPA with gzip and CSP
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