test(01-11): prove the tap unlocks audio under a strict autoplay policy at three layers

feat(01-08): wire the turn loop - text and voice turns, thinking, replay, slower, latency

fix(01-05): pose the arms out of the authored T-pose and assert it

test(01-07): prove the gate, the tier fallback and push-to-talk under both transports

test(01-03): enforce the transport seam statically and in a real browser