Function setAgentPhase

src/stores/aiChat.ts:504–516

(
    state: AIChatSessionState,
    phase: AgentRuntimeStatus['phase'],
    extra?: Partial<AgentRuntimeStatus>
  )

  }

  function setAgentPhase(
    state: AIChatSessionState,
    phase: AgentRuntimeStatus['phase'],
    extra?: Partial<AgentRuntimeStatus>
  ): void {
    const base = state.agentStatus ? { ...state.agentStatus } : buildFallbackAgentStatus(state)
    state.agentStatus = {
      ...base,
      ...extra,
      phase,
      updatedAt: Date.now(),
    }
  }

  function selectAssistantForSession(chatKey: string, assistantId: string): boolean {
    const state = getSessionState(chatKey)