Document processing pipeline: OCR & indexing #3

Description

Uploaded/synced documents need to be processed on the server so they become searchable and analyzable: OCR for scanned documents, and indexing for search/retrieval.

Proposed Solution

Build a processing pipeline that runs OCR on incoming documents where needed and indexes extracted text/structure for downstream search and analysis.

Acceptance Criteria

• OCR runs on scanned/image-based documents and produces extracted text
• Indexing pipeline makes processed documents searchable
• Pipeline handles processing failures without losing the source document
• Processing status is queryable per document