juliusbrussee--caveman
wehub-resource-sync
106 行
3.2 KiB
Python
106 行
3.2 KiB
Python
"""
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Run each prompt through Claude Code in three conditions and snapshot the
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real LLM outputs:
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1. baseline — no extra system prompt at all
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2. terse — system prompt: "Answer concisely."
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3. terse+skill — system prompt: "Answer concisely.\n\n{SKILL.md}"
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The honest delta is (3) vs (2): how much does the SKILL itself add on top
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of a plain "be terse" instruction? Comparing (3) vs (1) conflates the
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skill with the generic terseness ask, which is what the previous version
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of this harness did.
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This is the source-of-truth generator. It calls a real LLM and produces
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evals/snapshots/results.json. Run it locally when SKILL.md files change.
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The CI-side `measure.py` only reads the snapshot and counts tokens.
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Requires:
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- `claude` CLI on PATH (Claude Code), authenticated
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Run: uv run python evals/llm_run.py
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Environment:
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CAVEMAN_EVAL_MODEL optional --model flag value passed through to claude
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"""
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from __future__ import annotations
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import datetime as dt
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import json
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import os
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import subprocess
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from pathlib import Path
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EVALS = Path(__file__).parent
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SKILLS = EVALS.parent / "skills"
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PROMPTS = EVALS / "prompts" / "en.txt"
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SNAPSHOT = EVALS / "snapshots" / "results.json"
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TERSE_PREFIX = "Answer concisely."
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def run_claude(prompt: str, system: str | None = None) -> str:
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cmd = ["claude", "-p"]
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if system:
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cmd += ["--system-prompt", system]
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if model := os.environ.get("CAVEMAN_EVAL_MODEL"):
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cmd += ["--model", model]
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cmd.append(prompt)
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out = subprocess.run(cmd, capture_output=True, text=True, check=True)
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return out.stdout.strip()
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def claude_version() -> str:
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try:
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out = subprocess.run(
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["claude", "--version"], capture_output=True, text=True, check=True
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)
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return out.stdout.strip()
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except Exception:
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return "unknown"
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def main() -> None:
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prompts = [p.strip() for p in PROMPTS.read_text().splitlines() if p.strip()]
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skills = sorted(p.name for p in SKILLS.iterdir() if (p / "SKILL.md").exists())
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print(
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f"=== {len(prompts)} prompts × ({len(skills)} skills + 2 control arms) ===",
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flush=True,
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)
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snapshot: dict = {
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"metadata": {
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"generated_at": dt.datetime.now(dt.timezone.utc).isoformat(),
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"claude_cli_version": claude_version(),
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"model": os.environ.get("CAVEMAN_EVAL_MODEL", "default"),
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"n_prompts": len(prompts),
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"terse_prefix": TERSE_PREFIX,
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},
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"prompts": prompts,
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"arms": {},
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}
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print("baseline (no system prompt)", flush=True)
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snapshot["arms"]["__baseline__"] = [run_claude(p) for p in prompts]
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print("terse (control: terse instruction only, no skill)", flush=True)
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snapshot["arms"]["__terse__"] = [
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run_claude(p, system=TERSE_PREFIX) for p in prompts
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]
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for skill in skills:
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skill_md = (SKILLS / skill / "SKILL.md").read_text()
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system = f"{TERSE_PREFIX}\n\n{skill_md}"
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print(f" {skill}", flush=True)
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snapshot["arms"][skill] = [run_claude(p, system=system) for p in prompts]
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SNAPSHOT.parent.mkdir(parents=True, exist_ok=True)
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SNAPSHOT.write_text(json.dumps(snapshot, ensure_ascii=False, indent=2))
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print(f"\nWrote {SNAPSHOT}")
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if __name__ == "__main__":
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main()
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