Backend changes:
- Apply background image + invisible text layer to all Direct Track PDFs
- Add CHART to regions_to_avoid for text extraction
- Improve visual fidelity for native PDFs and Office documents
Frontend changes:
- Remove JSON, UnifiedDocument, Markdown download buttons
- Simplify to 2-column layout with only Layout PDF and Reflow PDF
- Remove translation JSON download and Layout PDF option
- Keep only Reflow PDF for translated document downloads
- Clean up unused imports (FileJson, Database, FileOutput)
Archives two OpenSpec proposals:
- unify-direct-track-pdf-rendering
- simplify-frontend-export-options
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds the ability to download translated documents as PDF files while
preserving the original document layout. Key changes:
- Add apply_translations() function to merge translation JSON with UnifiedDocument
- Add generate_translated_pdf() method to PDFGeneratorService
- Add POST /api/v2/translate/{task_id}/pdf endpoint
- Add downloadTranslatedPdf() method and PDF button in frontend
- Add comprehensive unit tests (52 tests: merge, PDF generation, API endpoints)
- Archive add-translated-pdf-export proposal
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Implement document translation feature using DIFY AI API with batch processing:
Backend:
- Add DIFY client with batch translation support (5000 chars, 20 items per batch)
- Add translation service with element extraction and result building
- Add translation router with start/status/result/list/delete endpoints
- Add translation schemas (TranslationRequest, TranslationStatus, etc.)
Frontend:
- Enable translation UI in TaskDetailPage
- Add translation API methods to apiV2.ts
- Add translation types
Features:
- Batch translation with numbered markers [1], [2], [3]...
- Support for text, title, header, footer, paragraph, footnote, table cells
- Translation result JSON with statistics (tokens, latency, batch_count)
- Background task processing with progress tracking
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Implement user-configurable PP-StructureV3 parameters to allow fine-tuning OCR behavior
from the frontend. This addresses issues with over-merging, missing small text, and
document-specific optimization needs.
Backend:
- Add PPStructureV3Params schema with 7 adjustable parameters
- Update OCR service to accept custom parameters with smart caching
- Modify /tasks/{task_id}/start endpoint to receive params in request body
- Parameter priority: custom > settings default
- Conditional caching (no cache for custom params to avoid pollution)
Frontend:
- Create PPStructureParams component with collapsible UI
- Add 3 presets: default, high-quality, fast
- Implement localStorage persistence for user parameters
- Add import/export JSON functionality
- Integrate into ProcessingPage with conditional rendering
Testing:
- Unit tests: 7/10 passing (core functionality verified)
- API integration tests for schema validation
- E2E tests with authentication support
- Performance benchmarks for memory and initialization
- Test runner script with venv activation
Environment:
- Remove duplicate backend/venv (use root venv only)
- Update test runner to use correct virtual environment
OpenSpec:
- Archive fix-pdf-coordinate-system proposal
- Archive frontend-adjustable-ppstructure-params proposal
- Create ocr-processing spec
- Update result-export spec
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Backend fixes:
- Fix markdown generation using correct 'markdown_content' key in tasks.py
- Update admin service to return flat data structure matching frontend types
- Add task_count and failed_tasks fields to user statistics
- Fix top users endpoint to return complete user data
Frontend fixes:
- Migrate ResultsPage from V1 batch API to V2 task API with polling
- Create TaskDetailPage component with markdown preview and download buttons
- Refactor ExportPage to support multi-task selection using V2 download endpoints
- Fix login infinite refresh loop with concurrency control flags
- Create missing Checkbox UI component
New features:
- Add /tasks/:taskId route for task detail view
- Implement multi-task batch export functionality
- Add real-time task status polling (2s interval)
OpenSpec:
- Archive completed proposal 2025-11-17-fix-v2-api-ui-issues
- Create result-export and task-management specifications
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
