Function getOrCreateBuffer

src/stores/aiChat.ts:362–371

(
    state: AIChatSessionState,
    bufferKey: string,
    assistantId: string | null = null
  )

  }

  function getOrCreateBuffer(
    state: AIChatSessionState,
    bufferKey: string,
    assistantId: string | null = null
  ): AIChatBuffer {
    if (!state.aiChatBuffers[bufferKey]) {
      state.aiChatBuffers[bufferKey] = createAIChatBuffer(assistantId)
    }
    return state.aiChatBuffers[bufferKey]
  }

  /**
   * 将当前 UI 绑定到某个 conversation buffer。