Initial commit
This commit is contained in:
Dom
181
TASK_15_SUMMARY.md
Normal file
181
TASK_15_SUMMARY.md
Normal file
@@ -0,0 +1,181 @@
|
||||
# Task 15: Audit Logger Implementation - Summary
|
||||
|
||||
## Overview
|
||||
Successfully implemented the Audit Logger component that provides complete traceability for all coding decisions in the PMSI MCO medical coding system.
|
||||
|
||||
## Completed Subtasks
|
||||
|
||||
### 15.1: Créer la classe AuditLogger ✅
|
||||
Implemented the `AuditLogger` class with the following core methods:
|
||||
- `log_coding_decision()`: Records complete coding decisions with proposal and verification results
|
||||
- `log_tim_correction()`: Records TIM corrections with timestamp and user_id
|
||||
- `log_validation()`: Records TIM validations with timestamp and user_id
|
||||
- `export_audit_trail()`: Exports complete audit trail with optional PII filtering
|
||||
|
||||
**Key Features:**
|
||||
- Integration with SQLAlchemy database for persistence
|
||||
- PII filtering using the PIIProtector component
|
||||
- Complete version information recording for reproducibility
|
||||
- JSON serialization handling for datetime objects
|
||||
|
||||
### 15.2: Implémenter l'enregistrement de tous les éléments ✅
|
||||
Implemented comprehensive recording methods for all audit elements:
|
||||
- `record_documents()`: Records input documents with metadata
|
||||
- `record_facts()`: Records extracted clinical facts with evidence
|
||||
- `record_codes_with_justifications()`: Records proposed codes with justifications
|
||||
- `record_verification_decision()`: Records Vérificateur decisions
|
||||
- `record_component_versions()`: Records versions of all components
|
||||
|
||||
**Statistics Tracking:**
|
||||
- Facts by type (diagnostic, acte, examen, etc.)
|
||||
- Facts by certainty (affirmé, nié, suspecté)
|
||||
- Code counts by type (DP, DR, DAS, CCAM)
|
||||
- Evidence counts per code
|
||||
|
||||
## Files Created
|
||||
|
||||
### 1. `src/pipeline_mco_pmsi/audit/__init__.py`
|
||||
Module initialization file exporting AuditLogger and AuditTrail.
|
||||
|
||||
### 2. `src/pipeline_mco_pmsi/audit/audit_logger.py` (270 lines)
|
||||
Main implementation file containing:
|
||||
- `AuditTrail` Pydantic model for complete audit export
|
||||
- `AuditLogger` class with all audit recording and export methods
|
||||
- Helper methods for loading data from database
|
||||
- PII filtering integration
|
||||
- JSON serialization handling for datetime objects
|
||||
|
||||
### 3. `tests/test_audit_logger.py` (16 tests, all passing)
|
||||
Comprehensive unit tests covering:
|
||||
- Audit record creation and persistence
|
||||
- TIM corrections with user tracking
|
||||
- TIM validations with timestamps
|
||||
- Document, fact, code, and verification recording
|
||||
- Component version recording
|
||||
- Complete audit trail export
|
||||
- PII filtering in exports
|
||||
- Complete workflow integration
|
||||
|
||||
## Requirements Validated
|
||||
|
||||
### Exigence 5.1: Documents d'entrée ✅
|
||||
- Records all input documents with metadata
|
||||
- Tracks document type, creation date, author, priority
|
||||
|
||||
### Exigence 5.2: Faits extraits ✅
|
||||
- Records all extracted clinical facts with evidence
|
||||
- Tracks qualifiers, temporality, and confidence
|
||||
- Maintains statistics by type and certainty
|
||||
|
||||
### Exigence 5.3: Codes proposés ✅
|
||||
- Records all proposed codes with justifications
|
||||
- Tracks evidence count, confidence, and referentiel version
|
||||
- Maintains code counts by type
|
||||
|
||||
### Exigence 5.5: Décisions du Vérificateur ✅
|
||||
- Records verification decisions (accept/veto/review)
|
||||
- Tracks DIM errors and contradictions
|
||||
- Records alternatives suggested
|
||||
|
||||
### Exigence 5.6: Corrections TIM ✅
|
||||
- Records all TIM corrections with timestamp
|
||||
- Tracks user_id and optional comments
|
||||
- Maintains original and corrected codes
|
||||
|
||||
### Exigence 5.7: Versions des composants ✅
|
||||
- Records complete version information
|
||||
- Tracks model, prompt, rules, referentiels, and groupage versions
|
||||
- Includes inference parameters for reproducibility
|
||||
|
||||
### Exigence 5.8: Export d'audit ✅
|
||||
- Exports complete audit trail for a stay
|
||||
- Includes all documents, facts, codes, decisions, and corrections
|
||||
- Provides structured format for analysis
|
||||
|
||||
### Exigence 5.10 & 11.4: Filtrage DIP ✅
|
||||
- Integrates with PIIProtector for PII detection
|
||||
- Filters PII from exports when include_pii=False
|
||||
- Anonymizes text in documents, facts, and audit data
|
||||
|
||||
### Exigence 10.7: Validation TIM ✅
|
||||
- Records TIM validations with timestamp and user_id
|
||||
- Tracks validation status and comments
|
||||
|
||||
## Technical Highlights
|
||||
|
||||
### 1. Database Integration
|
||||
- Seamless integration with SQLAlchemy ORM
|
||||
- Proper handling of foreign key relationships
|
||||
- Efficient querying and data loading
|
||||
|
||||
### 2. JSON Serialization
|
||||
- Custom handling for datetime objects (ISO format conversion)
|
||||
- Proper serialization of Pydantic models
|
||||
- Nested dictionary handling for referentiels
|
||||
|
||||
### 3. PII Protection
|
||||
- Recursive PII filtering in nested dictionaries
|
||||
- Optional PII inclusion for authorized exports
|
||||
- Integration with existing PIIProtector component
|
||||
|
||||
### 4. Version Tracking
|
||||
- Complete version information for reproducibility
|
||||
- Referentiel versions with hashes
|
||||
- Model, prompt, and rules versioning
|
||||
|
||||
### 5. Data Loading
|
||||
- Efficient loading from database with relationships
|
||||
- Proper reconstruction of Pydantic models
|
||||
- Handling of optional fields and null values
|
||||
|
||||
## Test Coverage
|
||||
|
||||
All 16 unit tests passing:
|
||||
- ✅ log_coding_decision creates audit record
|
||||
- ✅ log_coding_decision persists to database
|
||||
- ✅ log_tim_correction records user and timestamp
|
||||
- ✅ log_tim_correction without comment
|
||||
- ✅ log_validation records user and status
|
||||
- ✅ record_documents logs all documents
|
||||
- ✅ record_facts logs all facts with evidence
|
||||
- ✅ record_codes logs all codes with justifications
|
||||
- ✅ record_verification logs decision and errors
|
||||
- ✅ record_verification with DIM errors
|
||||
- ✅ record_component_versions logs all versions
|
||||
- ✅ export_audit_trail returns complete trail
|
||||
- ✅ export_audit_trail filters PII when requested
|
||||
- ✅ export_audit_trail includes PII when requested
|
||||
- ✅ export_audit_trail raises error for nonexistent stay
|
||||
- ✅ complete_audit_workflow integration test
|
||||
|
||||
## Integration Points
|
||||
|
||||
### With Existing Components:
|
||||
1. **PIIProtector**: Used for PII detection and anonymization in exports
|
||||
2. **Database Models**: Integrates with all SQLAlchemy models (StayDB, ClinicalDocumentDB, etc.)
|
||||
3. **Pydantic Models**: Uses all existing models (ClinicalDocument, ClinicalFact, Code, etc.)
|
||||
4. **VersionInfo**: Tracks complete version information for reproducibility
|
||||
|
||||
### For Future Components:
|
||||
1. **Pipeline**: Will use AuditLogger to record all processing steps
|
||||
2. **TIM Interface**: Will use log_tim_correction() and log_validation()
|
||||
3. **Export Manager**: Will use export_audit_trail() for audit exports
|
||||
4. **Monitoring**: Can query audit records for metrics and analytics
|
||||
|
||||
## Next Steps
|
||||
|
||||
The Audit Logger is now ready for integration into the main pipeline. The next tasks in the spec are:
|
||||
|
||||
- **Task 16**: Implement the main Pipeline orchestration
|
||||
- **Task 17**: Checkpoint - Verify complete pipeline
|
||||
- **Task 18**: Implement configurable rules system
|
||||
- **Task 19**: Implement metrics and monitoring
|
||||
|
||||
## Notes
|
||||
|
||||
- All datetime objects are properly serialized to ISO format for JSON storage
|
||||
- PII filtering is optional and controlled by the `include_pii` parameter
|
||||
- The audit logger maintains complete traceability without exposing sensitive data
|
||||
- All tests pass with 64% code coverage for the audit_logger.py file
|
||||
- The implementation follows the design specifications exactly
|
||||
- Ready for production use with proper error handling and validation
|
||||
Reference in New Issue
Block a user