ensure agent_turn is always under the agent_session turn

[longcw]

[chenghao-mou]

There is another similar issue: when dealing with false interruption, agent_speaking (after the pause) is grouped under a user_turn. I am open to solving it in a different PR.

[longcw]

There is another similar issue: when dealing with false interruption, agent_speaking (after the pause) is grouped under a user_turn. I am open to solving it in a different PR.

oh right, it's because the speaking state is updated in _start_false_interruption_timer. I'll create a fix.

[longcw]

There is another similar issue: when dealing with false interruption, agent_speaking (after the pause) is grouped under a user_turn. I am open to solving it in a different PR.

oh right, it's because the speaking state is updated in _start_false_interruption_timer. I'll create a fix.

fixed in this pr as well.