OcrService → OcrAsyncRunner was circular. Fixed by moving all OCR
processing logic (processDocument, clearExistingBlocks, createBlocks)
into OcrAsyncRunner. OcrService is now a thin entry point that
validates, creates the job, and dispatches to OcrAsyncRunner.
Architecture:
- OcrService: validates document, checks health, creates OcrJob, delegates
- OcrAsyncRunner: @Async processDocument + runSingleDocument + runBatch
- OcrBatchService: creates job + job documents, delegates to OcrAsyncRunner
- No circular dependencies
Single-document OCR is now async (returns jobId immediately).
Frontend polls GET /api/ocr/jobs/{jobId} every 3s until DONE/FAILED.
816 backend tests pass, 687 frontend tests pass.
Refs #226
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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