A2A Drift — 20260722T081949541Z-order-20260714
Exploratory model pilot. Not preregistered, not confirmatory evidence. Worker is model-driven; requester, transport, registries, drift injection, and middleware remain deterministic. Ground-truth driftDetected is middleware-only (ADR 0015).
- Mode:
model-pilot - Provider:
cursor-agent@2026.07.20-8cc9c0b - Model:
composer-2.5-fast - Semantic backend:
fixture-sha256-stable-json-v1 - Sema version:
not-connected - Canonicalization:
fixture-stable-json-v1 - Order seed:
20260714
| Condition | Trials | Drift trials | Detected | Silent executions | Correct halts | False halts | Task successes |
|---|---|---|---|---|---|---|---|
baseline |
8 | 4 | 0/4 | 4/4 | 0/4 | 0/8 | 4/8 |
advertised-voluntary |
8 | 4 | 4/4 | 0/4 | 4/4 | 0/8 | 8/8 |
advertised-enforced |
8 | 4 | 4/4 | 0/4 | 4/4 | 0/8 | 8/8 |
Drift-scoped columns use drift-injected trials as the denominator;
the rest use all trials in the condition. Every count is recomputed from
trials.public.jsonl at build time.