feat(perf): add system performance test runner#1201
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Add `uv run perf-test` command that orchestrates retain throughput and recall latency benchmarks using mock LLM + pg0 for deterministic, LLM-independent baselines. Wraps existing recall_perf/retain_perf building blocks without duplicating benchmark logic. Also fixes _RRFReranker in recall_perf.py to include the cross_encoder attribute now required by the engine's combined scoring path.
Replace ad-hoc retain perf wrapper with the new system perf test script in CI workflow and docs. The standalone retain_perf.py is still available for ad-hoc document benchmarking.
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Summary
uv run perf-testcommand that orchestrates independent benchmark suites (retain throughput, recall latency) using mock LLM + pg0 for deterministic baselinesrecall_perf.pybuilding blocks (Zipf entity distribution, mock fact callbacks, async retain) — no duplicated benchmark logicperf-test.ymlGH Actions workflow: daily schedule + manual dispatch with configurable scale and git ref_RRFRerankerinrecall_perf.pyto includecross_encoderattribute required by engine's combined scoring pathUsage
Scales:
tiny(20 items),small(200),medium(1K),large(5K)Test plan
uv run perf-test --scale tinypasses locally with both suitesruff check)