Define the input contract
Capture source language, target language, and whether the file is selectable, scanned, or mixed.
type Job={source:'text'|'scan'|'mixed';status:'queued'|'processing'|'review'|'blocked'|'exported';warnings:string[]}
Make states recoverable
Processing is not review. In review, a person can inspect pages, retry a failed page, and keep a prior result.
Test reading order
Record title, paragraph, table, caption, and footer sequence. Compare that sequence in the preview.
PDFTranslator.ai is a focused entry point. When assessing a PDF Translator, ask which inputs and warnings are supported.
| Case | Expected behavior |
|---|---|
| Scan | Explain OCR uncertainty |
| Retry | Retain prior revision |
| Export failure | Preserve review state |
Warnings cannot rely on color; keyboard focus must reach them.
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