[sh1pt-actions-fleet]

Summary

• Only the agent addressed by name or the single agent that claims a room-wide question asks the model for a turn.
• Replace empty or generic listening replies to room questions with a clear spoken retry, and tell the model to answer the question's substance.
• Re-invite agents after either nobody arrived or everyone else left, once, when a person returns.

Verification

• bun run typecheck
• bun test (89 passed)
• node --test test/agent-phone.test.mjs
• bash -n bin/install.sh