The new scope now skips a known, resolved file only while its stored
generated_images.file_size equals its size on disk; a NULL stored size is
re-read. A file replaced at the same path is read again and its conflict
shows under Needs review. The scan stores each file's size when it ingests
it, and both sides of the known-set match go through normalize_image_path.
A failed known-set read logs and falls back to reading every file, and an
empty request body asks for the default scope. The All files switch is
described by its hint, a lost job's Download report is disabled, the report
toast is skipped once the view is gone, and the scan log opens at its
newest line every time. Fixtures use the real scope shape.
Scan for metadata now skips, before reading any metadata, the files the
Library already links with a resolved link (one generated_images row with
exactly one pair link), found with one streamed query that keeps only the
scanned paths and compares paths with os.path.normcase on both sides.
Skipped files count as Already known ("Skipped · already linked").
Unlinked, fallback-linked, ambiguous and unresolved files are read again.
POST /prompt_manager/jobs/scan takes {scope: "new" | "all"} (default
"new", anything else is a 400). The review dialog shows the concept's
"New and unresolved files" and adds an "All files" switch (D58). The
legacy /prompt_manager/scan route keeps scanning all files with unchanged
SSE payloads.