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Garry Tan
b86ef06706
Adds two new benches that permanently guard the v2 tuning: - security-bench-ensemble-live.test.ts (opt-in via GSTACK_BENCH_ENSEMBLE=1). Runs full ensemble on BrowseSafe-Bench smoke with real Haiku calls. Worker-pool concurrency (default 8, tunable via GSTACK_BENCH_ENSEMBLE_CONCURRENCY) cuts wall clock from ~2hr to ~25min on 500 cases. Captures Haiku responses to fixture for replay. Subsampling via GSTACK_BENCH_ENSEMBLE_CASES for faster iteration. Stop-loss iterations write to ~/.gstack-dev/evals/stop-loss-iter-N-* WITHOUT overwriting canonical fixture. - security-bench-ensemble.test.ts (CI gate, deterministic replay). Replays captured fixture through combineVerdict, asserts detection >= 55% AND FP <= 25%. Fail-closed when fixture is missing AND security-layer files changed in branch diff. Uses `git diff --name-only base` (two-dot) to catch both committed and working-tree changes — `git diff base...HEAD` would silently skip in CI after fixture lands. - browse/test/fixtures/security-bench-haiku-responses.json — 500 cases × 3 classifier signals each. Header includes schema_version, pinned model, component hashes (prompt, exemplars, thresholds, combiner, dataset version). Any change invalidates the fixture and forces fresh live capture. - docs/evals/security-bench-ensemble-v2.json — durable PR artifact with measured TP/FN/FP/TN, 95% CIs, knob state, v1 baseline delta. Checked in so reviewers can see the numbers that justified the ship. Measured baseline on the new harness: TP=146 FN=114 FP=55 TN=185 → 56.2% / 22.9% → GATE PASS Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
63 lines
1.6 KiB
JSON
63 lines
1.6 KiB
JSON
{
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"title": "BrowseSafe-Bench v1.5.1.0 ensemble tuning result",
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"version": "1.5.1.0",
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"timestamp": "2026-04-22T02:25:15.229782Z",
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"commit": null,
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"dataset": {
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"source": "perplexity-ai/browsesafe-bench",
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"split": "test",
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"size": 500,
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"yes_cases": 260,
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"no_cases": 240
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},
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"model": "claude-haiku-4-5-20251001",
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"thresholds": {
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"BLOCK": 0.85,
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"WARN": 0.75,
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"LOG_ONLY": 0.4,
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"SOLO_CONTENT_BLOCK": 0.92
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},
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"knobs": {
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"label_first_transcript_voting": true,
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"hallucination_guard_confidence_floor": 0.4,
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"tool_output_solo_requires_block_label": true,
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"haiku_prompt_version": "v2-explicit-criteria-8-few-shots",
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"haiku_timeout_ms": 45000,
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"haiku_cwd_isolation": true
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},
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"measured": {
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"tp": 146,
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"fn": 114,
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"fp": 55,
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"tn": 185,
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"detection_rate": 0.562,
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"fp_rate": 0.229,
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"detection_ci_95": [
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0.501,
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0.621
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],
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"fp_ci_95": [
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0.181,
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0.286
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]
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},
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"v1_baseline_comparison": {
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"v1_detection": 0.673,
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"v1_fp": 0.441,
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"delta_detection_pp": -11.1,
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"delta_fp_pp": -21.2,
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"banner_fire_rate_delta_pp": -16
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},
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"gate": {
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"detection_floor": 0.55,
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"fp_ceiling": 0.25,
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"passed": true
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},
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"stop_loss_iterations": 0,
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"methodology": {
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"live_bench_cmd": "GSTACK_BENCH_ENSEMBLE=1 GSTACK_BENCH_ENSEMBLE_CONCURRENCY=4 GSTACK_HAIKU_TIMEOUT_MS=60000 bun test browse/test/security-bench-ensemble-live.test.ts",
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"live_bench_runtime_sec": 1498,
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"ci_replay_cmd": "bun test browse/test/security-bench-ensemble.test.ts",
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"ci_replay_runtime_sec": 0.1
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}
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} |