PR Template - Sprint 18 Task 03

Task

Enumerate malicious operator scenarios.

Summary

• Added STRIDE scenarios for malicious operators (S1/T1/R1/I1/D1/E1).

Scope

• docs/THREAT_MODEL.md

Validation

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

Checklist

• Scenarios documented
• IDs assigned
• Merged into dev