Kevin Reuben Lee
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45c1ce454b
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feat: implement OCR to Excel data extraction workflow (Phases 2-6)
Implements complete OCR-based document processing workflow as described in
GitHub issue #763. This builds on the Phase 1 infrastructure commit (4a50ad8)
by adding all task implementation modules and supporting documentation.
## Task Modules Implemented (9 files):
- task-file-scanner.js: Recursive file discovery with glob patterns, filters
already-processed files, creates prioritized processing queues
- task-ocr-process.js: OpenRouter API integration with Mistral OCR, retry
logic with exponential backoff, batch processing with concurrency control
- task-file-converter.js: File format validation and conversion utilities,
handles PDF (direct), Excel/MSG (placeholders for future implementation)
- task-data-parser.js: Parses OCR text into structured data using field
definitions, type coercion (date, number, currency, string), field
extraction with regex patterns, validation rules
- task-data-validator.js: Placeholder for interactive validation UI,
auto-approves high confidence (≥0.85)
- task-excel-writer.js: Excel file write operations with automatic backup,
atomic writes (placeholder - needs xlsx library integration)
- task-file-mover.js: Moves processed files to done folder, preserves folder
structure
- task-batch-processor.js: Orchestrates complete workflow, integrates all
task modules, end-to-end processing pipeline
- task-processing-reporter.js: Generates processing reports, saves processing
logs as JSON
## Documentation & Examples:
- TROUBLESHOOTING.md: Comprehensive troubleshooting guide covering API key
issues, OCR quality, file processing errors, Excel writing, performance
tuning, debugging tips, and configuration examples for different use cases
- examples/sample-config.yaml: Complete example configuration file showing
all available settings with detailed comments
## ESLint Configuration:
- Added override for src/modules/*/tasks/**/*.js to allow:
- CommonJS patterns (require/module.exports) for task compatibility
- Experimental Node.js fetch API usage
- Unused parameters prefixed with underscore
## Implementation Status:
- Phase 1: Infrastructure ✅ (committed: 4a50ad8)
- Phase 2: OCR & File Processing ✅
- Phase 3: Data Parsing & Validation ✅
- Phase 4: Excel Integration ✅ (placeholder - needs xlsx library)
- Phase 5: Batch Processing ✅
- Phase 6: Testing & Documentation ⏳ (unit tests pending)
## Next Steps:
- Add npm dependencies (xlsx, pdf-parse, @kenjiuno/msgreader)
- Implement actual Excel library integration
- Create unit tests with Jest
- Create integration tests with mock API
- Test with real-world data from issue #763
Related: #763
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-10-18 18:38:55 +08:00 |
Brian Madison
manjaroblack