ci: establish enterprise GitHub Actions automation baseline #24

	name: Performance Benchmarking

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	benchmark:
	name: Seeded Drift Research Benchmark
	runs-on: ubuntu-latest
	timeout-minutes: 10
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Run deterministic benchmark
	run: \|
	python benchmarks/run_benchmark.py \
	--iterations 20000 \
	--evaluation-samples 2000 \
	--output benchmark-results.json

	- name: Validate benchmark schema
	run: \|
	python - <<'PY'
	import json
	from pathlib import Path

	result = json.loads(Path("benchmark-results.json").read_text())
	required = {"latency_us", "throughput_ops_s", "peak_tracemalloc_mib", "quality"}
	missing = required - result.keys()
	if missing:
	raise SystemExit(f"missing benchmark fields: {sorted(missing)}")
	if result["throughput_ops_s"] <= 0 or result["latency_us"]["p99"] <= 0:
	raise SystemExit("benchmark produced invalid performance metrics")
	if result["quality"]["f1"] < 0.95:
	raise SystemExit("synthetic drift regression: F1 below 0.95")
	PY

	- name: Upload raw benchmark evidence
	uses: actions/upload-artifact@v4
	with:
	name: sentinelai-benchmark-${{ github.sha }}
	path: benchmark-results.json
	if-no-files-found: error
	retention-days: 30

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