PR Template - Sprint 18 Task 08

Task

Create unresolved risk backlog items.

Summary

• Added formal backlog entries RISK-S18-001 through RISK-S18-006 mapped to future mitigation sprints.

Scope

• docs/RISK_BACKLOG.md

Validation

• PYTHONPATH=src .venv/bin/pytest -q tests/qa/test_sprint18_threat_model_qa.py

Checklist

• Risks documented
• Mitigation sprint mapping added
• Merged into dev