Database stores times in UTC but serialized without timezone info,
causing frontend to misinterpret as local time. Now all datetime
fields include 'Z' suffix to indicate UTC, enabling proper timezone
conversion in the browser.
- Add UTCDatetimeBaseModel base class for Pydantic schemas
- Update model to_dict() methods to append 'Z' suffix
- Affects: tasks, users, sessions, audit logs, translations
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Backend changes:
- Disable PP-Structure debug file generation by default
- Separate raw_ocr_regions.json generation from debug flag (critical file)
- Add visualization folder download endpoint as ZIP
- Add has_visualization field to TaskDetailResponse
- Stop generating Markdown files
- Save translated PDFs to task folder with caching
Frontend changes:
- Replace JSON/MD download buttons with PDF buttons in TaskHistoryPage
- Add visualization download button in TaskDetailPage
- Fix Processing page task switching issue (reset isNotFound)
Archives two OpenSpec proposals:
- optimize-task-files-and-visualization
- simplify-frontend-add-billing
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add OCR Track support for reflow PDF generation using raw_ocr_regions.json
- Add OCR Track translation extraction from raw_ocr_regions instead of elements
- Add raw_ocr_translations output format for OCR Track documents
- Add exclusion zone filtering to remove text overlapping with images
- Update API validation to accept both translations and raw_ocr_translations
- Add page_number field to TranslatedItem for proper tracking
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Backup commit before executing remove-unused-code proposal.
This includes all pending changes and new features.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <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>
Major improvements to preprocessing controls:
Backend:
- Add contrast_strength (0.5-3.0) and sharpen_strength (0.5-2.0) to PreprocessingConfig
- Auto-detection now calculates optimal strength based on image quality metrics:
- Lower contrast → Higher contrast_strength
- Lower edge strength → Higher sharpen_strength
- Disable binarization in auto mode (rarely beneficial)
- CLAHE clipLimit now scales with contrast_strength
- Sharpening uses unsharp mask with variable strength
Frontend:
- Add strength sliders for contrast and sharpen in manual mode
- Sliders show current value and strength level (輕微/正常/強/最強)
- Move binarize option to collapsible "進階選項" section
- Updated i18n translations for strength labels
🤖 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>
- Fix MySQL connection timeout by creating fresh DB session after OCR
- Fix /analyze endpoint attribute errors (detect vs analyze, metadata)
- Add processing_track field extraction to TaskDetailResponse
- Update E2E tests to use POST for /analyze endpoint
- Increase Office document timeout to 300s
- Add Section 2.4 tasks for Office document direct extraction
- Document Office → PDF → Direct track strategy in design.md
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add ProcessingTrackEnum, ProcessingOptions, ProcessingMetadata schemas
- Add DocumentAnalysisResponse for document type detection
- Update /start endpoint with dual-track query parameters
- Add /analyze endpoint for document type detection with confidence scores
- Add /metadata endpoint for processing track information
- Add /download/unified endpoint for UnifiedDocument format export
- Update tasks.md to mark Section 6 API updates as completed
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Create JSON Schema definition for UnifiedDocument format
- Implement UnifiedDocumentExporter service with multiple export formats
- Include comprehensive processing metadata and statistics
- Update OCR service to use new exporter for dual-track outputs
- Support JSON, Markdown, Text, and legacy format exports
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Add missing file upload functionality to V2 API that was removed
during V1 to V2 migration. Update frontend to use v2 API endpoints.
Backend changes:
- Add /api/v2/upload endpoint in main.py for file uploads
- Import necessary dependencies (UploadFile, hashlib, TaskFile)
- Upload endpoint creates task, saves file, and returns task info
- Add UploadResponse schema to task.py schemas
- Update tasks router imports for consistency
Frontend changes:
- Update API_VERSION from 'v1' to 'v2' in api.ts
- Update UploadResponse type to match V2 API response format
(task_id instead of batch_id, single file instead of array)
This fixes the 404 error when uploading files from the frontend.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Changes:
- Fixed UserResponse schema datetime serialization bug
- Fixed test_auth.py mock structure for external auth service
- Updated conftest.py to create fresh database per test
- Ran full test suite and verified results
Test Results:
✅ test_auth.py: 5/5 passing (100%)
✅ test_tasks.py: 4/6 passing (67%)
✅ test_admin.py: 2/4 passing (50%)
❌ test_integration.py: 0/3 passing (0%)
Total: 11/18 tests passing (61%)
Known Issues:
1. Fixture isolation: test_user sometimes gets admin email
2. Admin API response structure doesn't match test expectations
3. Integration tests need mock fixes
Production Bug Fixed:
- UserResponse schema now properly serializes datetime fields to ISO format strings
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Remove all V1 architecture components and promote V2 to primary:
- Delete all paddle_ocr_* table models (export, ocr, translation, user)
- Delete legacy routers (auth, export, ocr, translation)
- Delete legacy schemas and services
- Promote user_v2.py to user.py as primary user model
- Update all imports and dependencies to use V2 models only
- Update main.py version to 2.0.0
Database changes:
- Fix SQLAlchemy reserved word: rename audit_log.metadata to extra_data
- Add migration to drop all paddle_ocr_* tables
- Update alembic env to only import V2 models
Frontend fixes:
- Fix Select component exports in TaskHistoryPage.tsx
- Update to use simplified Select API with options prop
- Fix AxiosInstance TypeScript import syntax
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
