return result

def run_with_heartbeat(

args: list[str],

cwd: Path,

*,

input_text: str | None = None,

label: str,

heartbeat_seconds: int = 60,

) -> subprocess.CompletedProcess[str]:

started = time.monotonic()

proc = subprocess.Popen(

args,

cwd=cwd,

stdin=subprocess.PIPE if input_text is not None else None,

stdout=subprocess.PIPE,

stderr=subprocess.PIPE,

text=True,

)

first_communicate = True

while True:

try:

stdout, stderr = proc.communicate(

input=input_text if first_communicate else None,

timeout=heartbeat_seconds,

)

return subprocess.CompletedProcess(args, int(proc.returncode or 0), stdout, stderr)

except subprocess.TimeoutExpired:

first_communicate = False

elapsed = int(time.monotonic() - started)

print(f"review still running: {label} elapsed={elapsed}s pid={proc.pid}", file=sys.stderr, flush=True)

def git(repo: Path, *args: str, check: bool = True) -> str:

return run(["git", *args], repo, check=check).stdout

"-",

]

)

result = run(cmd, repo, input_text=prompt, check=False)

result = run_with_heartbeat(cmd, repo, input_text=prompt, label="codex")

try:

output = output_path.read_text()

finally:

cmd.extend(["--model", args.model])

if args.thinking:

cmd.extend(["--effort", args.thinking])

result = run(cmd, repo, input_text=prompt, check=False)

result = run_with_heartbeat(cmd, repo, input_text=prompt, label="claude")

if result.returncode != 0:

raise SystemExit(f"claude engine failed ({result.returncode})\n{result.stderr or result.stdout}")

return result.stdout

cmd.extend(["--model", args.model])

if not args.tools:

cmd.extend(["--disabled-tools", "*"])

result = run(cmd, repo, check=False)

result = run_with_heartbeat(cmd, repo, label="droid")

prompt_path.unlink(missing_ok=True)

if result.returncode != 0:

raise SystemExit(f"droid engine failed ({result.returncode})\n{result.stderr or result.stdout}")

)

if args.web_search:

cmd.append("--allow-all-urls")

result = run(cmd, Path(tempdir), check=False)

result = run_with_heartbeat(cmd, Path(tempdir), label="copilot")

if result.returncode != 0:

raise SystemExit(f"copilot engine failed ({result.returncode})\n{result.stderr or result.stdout}")

return result.stdout