fix(ui): allow .txt upload in Web UI#374
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rstrahan merged 2 commits intoJun 23, 2026
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Add .txt to SUPPORTED_UPLOAD_EXTENSIONS and update the format label so plain-text files can be selected in the Web UI. The backend OCR service already supports .txt via DocumentConverter.convert_text_to_pages(); this aligns the UI allow-list with existing backend capability. No backend changes required. Closes aws-solutions-library-samples#373
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Addresses review feedback on aws-solutions-library-samples#374: - Add CHANGELOG.md entry under Unreleased/Fixed for the .txt upload fix (aws-solutions-library-samples#373) - Update upload FormField constraintText to reflect spreadsheet/Word/text backend conversion (previously only mentioned Excel) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Adds
.txt(plain text) to the Web UI upload allow-list to align the UI with existing backend support.Closes #373.
Why
The backend OCR service already processes
.txt(_process_non_pdf_document()→DocumentConverter.convert_text_to_pages()), but the UI file picker blocked it because.txtwas missing fromSUPPORTED_UPLOAD_EXTENSIONS. Users with plain-text corpora had to bypass the UI by uploading directly to S3.Changes
src/ui/src/components/common/constants.ts.txttoSUPPORTED_UPLOAD_EXTENSIONSSUPPORTED_UPLOAD_FORMATS_LABELto mention plain textNot changed
SUPPORTED_DISCOVERY_EXTENSIONS— Discovery remains intentionally PDF/image-only.txtprocessing path already exists and is in useTesting
npm run typecheckandeslintpass; full UI test suite (vitest) passes..txtfiles upload through the UI and process end-to-end (classification → extraction → assessment → summarization → KB indexing). No backend changes were needed.