feat: auto-recompute UMAP on author add/remove + delete UI - #133
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Extract umap_projector.recompute_umap for shared use, refresh scatter
centroids after StyleProfile insert, and add DELETE /api/authors/{id}.
Hide remove control for Austen/Dickens/Poe and return 403 from DELETE so the gallery can drop custom authors without wiping the pitch seeds.
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Davisuco28
approved these changes
Jul 30, 2026
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What
Automatically recompute global UMAP 2D after StyleProfile insert or author delete, expose
DELETE /api/authors/{id}, and add a gallery remove control for live-added authors. Austen / Dickens / Poe are protected (no UI button; API returns 403).Why
Related: #88 (WO-07 noted that upload/recompute should trigger reprojection), #16 (UMAP precompute).
No dedicated open issue for auto-recompute / delete — this closes the gap left after WO-07: new uploads left scatter centroids at
[0,0], and there was no safe way to remove demo-uploaded authors without wiping the three pitch voices.Closes #
How IBM Bob helped
Screenshots / output
DELETE live-added author
Protected preloaded voice
UI: trash button only on non-preloaded author cards (home gallery); confirm dialog before delete;
router.refresh()after success.Checklist
make test) —backend/tests/test_delete_author.py(3 passed); UMAP projector tests added earlier on this branchmake lint)docs/.env.exampledocs/api_contract.yamlREADME.mdupdated