Verifies Pixir Subagents end-to-end without hitting the network:
- spawns 50 supervised child Sessions with a fake provider;
- verifies result collection and compact parent aggregation;
- verifies isolated child workspaces and no parent write interference;
- verifies lifecycle NDJSON evidence and reconstruction from Log;
- verifies max_threads queueing, timeouts, close/cancel, send_input, and max_depth.
Usage:
mix pixir.smoke.subagents