Polecats were burning 48k+ tokens on exploratory work when spawned because
the startup beacon was informational-only. By the time the propulsion nudge
arrived 2 seconds later, the agent had already started exploring.
The handoff topic already had explicit instructions; this adds the same
pattern for assigned work: "Work is on your hook. Run gt hook now."
Fixes#319
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
064f7b1a40