Mirror policy pressure in EdgeEnv feed

[hyeokjun32]

Summary

• mirror policy-pressure context into candidate_context.operation.policy_pressure_summary
• add the role=supplemental marker while preserving operation_context_role
• update the feed checker, tests, and English/Korean handoff docs

Tests

• PYTHONDONTWRITEBYTECODE=1 .venv/bin/python -m pytest tests/test_multi_workload_sustained.py tests/test_scripts.py -q -p no:cacheprovider
• PYTHONDONTWRITEBYTECODE=1 .venv/bin/python -m pytest -q -p no:cacheprovider
• PYTHONPATH=src PYTHONDONTWRITEBYTECODE=1 .venv/bin/python -m inferedge_orchestrator run-multi-workload-sustained --config configs/agent_multi_workload_sustained_device_local.json --output /private/tmp/orchestrator-policy-pressure-feed/report.json --frames 8 --edgeenv-feed-output /private/tmp/orchestrator-policy-pressure-feed/edgeenv_runtime_telemetry_feed.json
• .venv/bin/python scripts/check_edgeenv_runtime_feed_contract.py --feed /private/tmp/orchestrator-policy-pressure-feed/edgeenv_runtime_telemetry_feed.json --require-device-local-producer