Extraction fixes:
- OCR normalization: 'Pref erred' → 'Preferred', 'ltem' → 'Item' applied to boundary
scan, Phase 1 questions, and Phase 2 answer key content before AI processing
- Chunk boundary: Phase 1 chunks now capped at (answer_section_start - 1) so no
chunk bleeds into the answer section — (51, 100) becomes (51, 55) for PREP 2013
- Result: Phase 1 gets 2 clean chunks (1-50 and 51-55), Phase 2 gets pages 56-227
Category creation in DocumentDetailPage:
- Replaced window.prompt() with inline input form (more reliable, no browser quirks)
- Fixed option value type: String(c.id) ensures consistent string comparison with
selectedQuestionCategoryId state (prevents type mismatch in controlled select)
- "+ New" button toggles inline form; Enter key or Add button submits
Deletion safety (confirmed):
- Deleting a quiz: questions detached to bank if exclusive, kept if shared — NEVER deleted
- Deleting a question category: questions uncategorized or moved — NEVER deleted
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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