PR Template - Sprint 24 Task 05

Task

Simulate repudiation attempt and validate detection.

Summary

• Added repudiation simulation test and detection path with audit emission.

Scope

• src/pkg/orchestrator/anti_repudiation.py
• tests/unit/test_anti_repudiation.py
• tests/qa/test_sprint24_anti_repudiation_qa.py

Validation

• PYTHONPATH=src .venv/bin/pytest -q tests/unit/test_anti_repudiation.py tests/qa/test_sprint24_anti_repudiation_qa.py