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fix(example): wait for complete failure projection #25

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Merged
DevChiniwala merged 1 commit into from
Sep 28, 2026
Merged

fix(example): wait for complete failure projection #25

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31 changes: 19 additions & 12 deletions examples/refund_agent/demo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -57,19 +57,24 @@ def api(path: str, method: str = "GET", body: dict[str, Any] | None = None) -> A
return json.load(response)


def wait_for_failure_cluster(timeout_seconds: int = 45) -> dict[str, Any]:
def refund_failure_cluster() -> dict[str, Any] | None:
return next(
(
item
for item in api("clusters")
if item["features"].get("failed_tool") == "payments.refund"
),
None,
)


def wait_for_failure_cluster(
minimum_count: int = 3, timeout_seconds: int = 45
) -> dict[str, Any]:
deadline = time.monotonic() + timeout_seconds
while time.monotonic() < deadline:
clusters = api("clusters")
match = next(
(
item
for item in clusters
if item["features"].get("failed_tool") == "payments.refund"
),
None,
)
if match and match["count"] >= 3:
match = refund_failure_cluster()
if match and match["count"] >= minimum_count:
return match
time.sleep(1)
raise RuntimeError("Failure cluster did not appear before timeout")
Expand Down Expand Up @@ -130,14 +135,16 @@ def main() -> None:
{"tool_name": "payments.refund", "version": "1.9.0", "schema_json": SCHEMA_V2},
)
print(f"Registered tool schema change: {change['change']['compatibility']}")
existing_cluster = refund_failure_cluster()
existing_failure_count = int(existing_cluster["count"]) if existing_cluster else 0
broken = RefundAgent(model, PaymentTool(2), client, agent_version=1)
for index in range(args.runs):
with client.session(f"broken-{index}"):
broken.run(messages[index % len(messages)])
client.provider.force_flush()
print(f"Emitted {args.runs} schema-incompatible runs")

cluster = wait_for_failure_cluster()
cluster = wait_for_failure_cluster(existing_failure_count + args.runs)
print(f"Failure cluster {cluster['signature']}: {cluster['count']} runs")
incident = api(
"incidents/analyze",
Expand Down