Function sendMessage

src/stores/aiChat.ts:856–1311

(
    chatKey: string,
    content: string,
    options?: { mentionedMembers?: MentionedMemberContext[] }
  )

  }

  async function sendMessage(
    chatKey: string,
    content: string,
    options?: { mentionedMembers?: MentionedMemberContext[] }
  ): Promise<SendMessageResult> {
    const state = getSessionState(chatKey)
    if (!state) {
      return { success: false, reason: 'error' }
    }

    if (!content.trim()) {
      return { success: false, reason: 'empty' }
    }

    if (state.isAIThinking || activeTask.value) {
      return { success: false, reason: 'busy', activeTask: activeTask.value }
    }

    const thisRequestId = generateId('req')
    const initialBufferKey = getDisplayedBufferKey(state)
    let resolvedAIChatId = initialBufferKey === DRAFT_AI_CHAT_KEY ? null : initialBufferKey
    const targetBuffer = getOrCreateBuffer(state, initialBufferKey, state.selectedAssistantId)
    // 在 try 外部声明，以便 catch 块能正确引用当前轮次的用户消息
    let currentUserMessage: ChatMessage | undefined
    let lastDoneUsage: TokenUsage | undefined

    targetBuffer.assistantId = state.selectedAssistantId
    targetBuffer.loaded = true

    setActiveTaskMeta(chatKey, content, thisRequestId, resolvedAIChatId)
    applySessionAssistantSelection(chatKey)
    void ensureOwnerInfo(chatKey)

    const currentSkillId = skillStore.activeSkillId
    const currentSkillName = skillStore.activeSkill?.name
    const autoSkillEnabled = aiGlobalSettings.value.enableAutoSkill ?? true
    const chartAutoMode = autoSkillEnabled ? (aiGlobalSettings.value.chartAutoMode ?? 'suggest') : 'explicit'
    const currentMentionedMembers = (options?.mentionedMembers ?? []).map((member) => ({
      memberId: member.memberId,
      platformId: member.platformId,
      displayName: member.displayName,
      aliases: [...member.aliases],
      mentionText: member.mentionText,
    }))

    state.isAIThinking = true
    state.isLoadingSource = true
    state.currentToolStatus = null
    state.toolsUsedInCurrentRound = []
    state.agentStatus = null
    state.isAborted = false
    state.currentRequestId = thisRequestId
    state.currentAgentRequestId = ''

    try {
      const hasConfig = await useLLMService().hasConfig()
      if (state.isAborted) {
        clearActiveTask(chatKey, thisRequestId)