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bench

Merge pull request #204 from LAA-Software-Engineering/feat/absence-ca… #75

	# Performance benchmark. Not a PR gate; tracks ingest/explain wall time and
	# query counts over time so regressions are visible (issue #85). Runs on a
	# schedule, on pushes to main, and on demand.
	name: bench

	on:
	workflow_dispatch:
	schedule:
	- cron: "30 6 * * *" # daily at 06:30 UTC
	push:
	branches: [ "main" ]
	paths:
	- "src/**"
	- "scripts/benchmark.py"
	- ".github/workflows/bench.yml"

	permissions:
	contents: read

	jobs:
	bench:
	runs-on: ubuntu-latest
	services:
	postgres:
	image: pgvector/pgvector:pg16
	env:
	POSTGRES_USER: postgres
	POSTGRES_PASSWORD: postgres
	POSTGRES_DB: raglogs
	ports:
	- 5432:5432
	options: >-
	--health-cmd "pg_isready -U postgres"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	env:
	DB_URL: postgresql+psycopg://postgres:postgres@localhost:5432/raglogs
	steps:
	- uses: actions/checkout@v7
	- name: Set up Python
	uses: actions/setup-python@v7
	with:
	python-version: "3.12"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e ".[dev]"
	- name: Migrate
	run: alembic upgrade head
	- name: Run benchmark
	run: python scripts/benchmark.py --lines 20000 --json bench_results.json
	- name: Upload benchmark results
	if: always()
	uses: actions/upload-artifact@v7
	with:
	name: bench-results
	path: bench_results.json