- triggerOcr captures jobId from POST response and shows OcrProgress - OcrProgress rendered in the transcription panel when ocrJobId is set - handleOcrDone reloads blocks and annotations when OCR completes - checkOcrStatus called when entering transcription mode — resumes progress display if a job is already running for this document Refs #226 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>