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Phase 1 of the clean architecture refactor: Replaces the 751-line ocr-overlay monolith with a modular pipeline. Each step gets its own component file. Frontend: /ai/ocr-kombi route with 11 steps (Upload, Orientation, PageSplit, Deskew, Dewarp, ContentCrop, OCR, Structure, GridBuild, GridReview, GroundTruth). Session list supports document grouping for multi-page uploads. Backend: New ocr_kombi/ module with multi-page PDF upload (splits PDF into N sessions with shared document_group_id). DB migration adds document_group_id and page_number columns. Old /ai/ocr-overlay remains fully functional for A/B testing. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
13 lines
556 B
SQL
13 lines
556 B
SQL
-- Migration: Add document_group_id and page_number for multi-page document grouping.
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-- A document_group_id groups multiple sessions that belong to the same scanned document.
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-- page_number is the 1-based page index within the group.
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ALTER TABLE ocr_pipeline_sessions
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ADD COLUMN IF NOT EXISTS document_group_id UUID,
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ADD COLUMN IF NOT EXISTS page_number INT;
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-- Index for efficient group lookups
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CREATE INDEX IF NOT EXISTS idx_ocr_sessions_document_group
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ON ocr_pipeline_sessions (document_group_id)
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WHERE document_group_id IS NOT NULL;
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