feat(examples/avatar): added animation triggers and trimmed personas

[brycedli]

Summary

• Add wave/dance/turn tools for Leila, Jess, and Mr Fox via LemonSlice pose triggers (actions.py)
• Auto-wave on session start and after switching to a motion-capable persona
• Trim persona list from 15 to 9; add Leila and Jess, remove underperforming personas; default to Leila
• Update playground dropdown and README

[CLAassistant]

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[devin-ai-integration]

Devin Review found 1 new potential issue.

View 6 additional findings in Devin Review.

[devin-ai-integration]

🟡 Unhandled network exceptions from trigger_pose in opening_wave prevent agent greeting

The trigger_pose function (actions.py:50-63) makes an HTTP request via aiohttp but doesn't catch network-level exceptions (e.g., aiohttp.ClientError, asyncio.TimeoutError). While it handles non-OK HTTP responses by returning False, actual connection failures raise exceptions. The play() method (actions.py:107) also doesn't catch these, so exceptions propagate through opening_wave() to the caller.

In the entrypoint (agent.py:112), if opening_wave() raises, session.generate_reply() at agent.py:114 is never reached — the agent silently fails to greet the user. In the set_avatar RPC handler (agent.py:166), the same failure prevents both the greeting (agent.py:168) and the RPC response (agent.py:181). A transient network error during a cosmetic wave animation should not break the core conversation flow.

Suggested change

	async def opening_wave(self) -> None:
	if OPENING_WAVE_DELAY_S > 0:
	await asyncio.sleep(OPENING_WAVE_DELAY_S)
	await self.play("wave")
	async def opening_wave(self) -> None:
	if OPENING_WAVE_DELAY_S > 0:
	await asyncio.sleep(OPENING_WAVE_DELAY_S)
	try:
	await self.play("wave")
	except Exception:
	logger.warning("opening wave failed", exc_info=True)

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