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duplicates: folder-pair view of exact dups #75

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cameron merged 1 commits from feature/folder-pair-duplicates into master 2026-05-06 18:27:13 +00:00
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cameron commented 2026-05-06 18:26:24 +00:00
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Bucket exact-dup rows by (library_id, dirname) pair on each side, then
filter by coverage = shared / min(folder_a_total, folder_b_total) and
an absolute floor on shared count. Surfaces "this folder is mostly
contained in that folder" matches that the per-file EXACT view buries
under one row each — e.g. an old phone-backup tree shadowing the
organized library, or a topic-grouped folder duplicating a date-grouped
one within the same library.

New endpoint: GET /duplicates/folder-pairs?library=&include_resolved=
&min_coverage=&min_shared=. Cached 5 min keyed on (library, include_resolved);
the user-tunable thresholds filter the cached unfiltered pair list so
slider drags don't re-bucket. Shares the resolve / unresolve flow with
the existing tabs — the frontend fans out N parallel /resolve calls,
one per shared content_hash.

Folder names carry no signal (BMW lives under Night Photos, not BMW_backup),
so bucketing is purely on (library_id, dirname) co-occurrence in
exact-dup groups. Within-folder dups (same hash twice in the same
folder) are skipped — those belong to the EXACT tab.

Co-Authored-By: Claude Opus 4.7 (1M context) noreply@anthropic.com

Bucket exact-dup rows by (library_id, dirname) pair on each side, then filter by coverage = shared / min(folder_a_total, folder_b_total) and an absolute floor on shared count. Surfaces "this folder is mostly contained in that folder" matches that the per-file EXACT view buries under one row each — e.g. an old phone-backup tree shadowing the organized library, or a topic-grouped folder duplicating a date-grouped one within the same library. New endpoint: GET /duplicates/folder-pairs?library=&include_resolved= &min_coverage=&min_shared=. Cached 5 min keyed on (library, include_resolved); the user-tunable thresholds filter the cached unfiltered pair list so slider drags don't re-bucket. Shares the resolve / unresolve flow with the existing tabs — the frontend fans out N parallel /resolve calls, one per shared content_hash. Folder names carry no signal (BMW lives under Night Photos, not BMW_backup), so bucketing is purely on (library_id, dirname) co-occurrence in exact-dup groups. Within-folder dups (same hash twice in the same folder) are skipped — those belong to the EXACT tab. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
cameron added 1 commit 2026-05-06 18:26:24 +00:00
duplicates: folder-pair view of exact dups 67cf0c7f73 
Bucket exact-dup rows by (library_id, dirname) pair on each side, then
filter by coverage = shared / min(folder_a_total, folder_b_total) and
an absolute floor on shared count. Surfaces "this folder is mostly
contained in that folder" matches that the per-file EXACT view buries
under one row each — e.g. an old phone-backup tree shadowing the
organized library, or a topic-grouped folder duplicating a date-grouped
one within the same library.

New endpoint: GET /duplicates/folder-pairs?library=&include_resolved=
&min_coverage=&min_shared=. Cached 5 min keyed on (library, include_resolved);
the user-tunable thresholds filter the cached unfiltered pair list so
slider drags don't re-bucket. Shares the resolve / unresolve flow with
the existing tabs — the frontend fans out N parallel /resolve calls,
one per shared content_hash.

Folder names carry no signal (BMW lives under Night Photos, not BMW_backup),
so bucketing is purely on (library_id, dirname) co-occurrence in
exact-dup groups. Within-folder dups (same hash twice in the same
folder) are skipped — those belong to the EXACT tab.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
cameron merged commit 5de9a322ac into master 2026-05-06 18:27:13 +00:00
cameron deleted branch feature/folder-pair-duplicates 2026-05-06 18:27:13 +00:00
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Reference: Apps/ImageApi#75
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