feat: add 5 production Python tools for RA/QM skills (#238)
Add comprehensive CLI tools for regulatory affairs and quality management:
1. regulatory-affairs-head/scripts/regulatory_pathway_analyzer.py
- FDA/EU MDR/UK UKCA/Health Canada/TGA pathway analysis
- Timeline & cost estimation, optimal submission sequence
2. capa-officer/scripts/root_cause_analyzer.py
- 5-Why, Fishbone, Fault Tree analysis methods
- Auto-generates CAPA recommendations
3. risk-management-specialist/scripts/fmea_analyzer.py
- ISO 14971 / IEC 60812 compliant FMEA
- RPN calculation, risk reduction strategies
4. quality-manager-qmr/scripts/quality_effectiveness_monitor.py
- QMS metric tracking, trend analysis
- Predictive alerts, management review summaries
5. quality-documentation-manager/scripts/document_version_control.py
- Semantic versioning, change control
- Electronic signatures, document matrix
All tools: argparse CLI, JSON I/O, demo mode, dataclasses, docstrings.
Closes #238
059f91f1a4