Add device-local operation telemetry context

[hyeokjun32]

Summary

• add additive queue pressure reason and device-local producer rollups to queue state summaries
• add worker primary health reason, operation risk summary, and producer context summaries
• add runtime event producer/device-local coverage summaries and document the telemetry fields

Tests

• PYTHONDONTWRITEBYTECODE=1 .venv/bin/python -m pytest tests/test_runtime_telemetry.py tests/test_multi_workload_sustained.py -q -p no:cacheprovider
• PYTHONDONTWRITEBYTECODE=1 .venv/bin/python -m pytest -q -p no:cacheprovider
• PYTHONDONTWRITEBYTECODE=1 PYTHONPATH=src .venv/bin/python -m inferedge_orchestrator run-multi-workload-sustained --config configs/agent_multi_workload_sustained_device_local.json --output /tmp/orchestrator_device_local_operation_context.json --frames 4
• git diff --check