Files
bookhoard/internal
John O'Keefe a4dbe79d0b feat(data): duplicate-content queries — archive filters, cross-library moves, archived-twin matching
Three related query groups in queries.sql (sqlc regenerated; no generated
signatures changed, so no caller edits were needed):

1. Dashboard/collection archive filters. The smart-section and collection
   queries returned archived and missing items (visible only as broken
   covers once their files vanished). Added the codebase-standard
   "AND archived_at IS NULL AND missing_scan_count = 0" predicate to:
   GetContinueReadingItems, GetRecentlyAddedItems, GetRecentlyReadItems,
   GetNotStartedItems, GetCollectionItemsForDashboard, GetLibraryItems.
   Matches the existing convention in ListMediaItems, SearchMediaItems,
   the library counts, and GetContinueSeriesItems.

2. Cross-library SHA move detection support.
   - GetMediaItemsBySHA256AndSameLibraryType: finds identical content
     (same file_sha256) registered in a DIFFERENT library of the SAME
     library type, ordered archived-first, most-missing, oldest. Type
     scoping keeps ebooks from merging into manga/comics libraries.
   - MoveMediaItemToLibrary: repoints an existing row to the new library
     (library_id + recomputed file_path + file_size) and clears
     archive/missing state. The row keeps its ID, so reading progress,
     annotations, collections, and kobo shelves follow the book
     automatically; the new set_library_type_name_on_library_change
     trigger refreshes the denormalized type column.

3. Archived-twin matching. ListHiddenMediaItems (admin archived-items
   page) now LEFT JOIN LATERALs the best active same-SHA twin per hidden
   row — preferring same library type, then same library, then most
   reading progress, then oldest — exposing match_id / match_title /
   match_library_name so the UI can offer merging the archived row's
   reading data into its active duplicate. COALESCE on match_title keeps
   the no-match case NULL-safe.
2026-09-21 18:08:18 -04:00
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