工具路由还没实现

.gitignore

@@ -31,6 +31,7 @@ desktop.ini
 # 项目运行时数据（Windows 测试路径）
 win/etc/
 win/srv/
+win/var/
 
 # 数据库文件
 *.db

ai/service.go

@@ -18,11 +18,17 @@ import (
 	"gorm.io/gorm"
 )
 
+// SystemPromptStore is the interface for getting the system prompt
+type SystemPromptStore interface {
+	GetLLMPrimaryConfigSystemPrompt() (string, error)
+}
+
 // Config holds the AI service configuration
 type Config struct {
 	LLMProviders      []llm.ProviderConfig
 	DataDir           string
 	Enabled           bool
+	SystemPromptStore SystemPromptStore
 }
 
 // Service manages all AI-related components
@@ -91,6 +97,7 @@ func NewService(cfg Config, db *gorm.DB, botSender autoreply.BotSender) (*Servic
 		convStore,
 		msgQueue,
 		botSender,
+		cfg.SystemPromptStore,
 	)
 
 	return &Service{

autoreply/botsender.go

@@ -7,22 +7,33 @@ import (
 
 // BotServiceAdapter adapts the bot service to the BotSender interface
 type BotServiceAdapter struct {
-	sendTextFn func(ctx context.Context, botID uint64, toNodeNum int64, text string) error
+	sendDirectTextFn  func(ctx context.Context, botID uint64, toNodeNum int64, text string) error
+	sendChannelTextFn func(ctx context.Context, botID uint64, channelID string, text string) error
 }
 
 // NewBotServiceAdapter creates a new bot service adapter
 func NewBotServiceAdapter(
-	sendTextFn func(ctx context.Context, botID uint64, toNodeNum int64, text string) error,
+	sendDirectTextFn func(ctx context.Context, botID uint64, toNodeNum int64, text string) error,
+	sendChannelTextFn func(ctx context.Context, botID uint64, channelID string, text string) error,
 ) *BotServiceAdapter {
 	return &BotServiceAdapter{
-		sendTextFn: sendTextFn,
+		sendDirectTextFn:  sendDirectTextFn,
+		sendChannelTextFn: sendChannelTextFn,
 	}
 }
 
-// SendText sends a text message via the bot service
+// SendDirectText sends a direct/private message to a specific node
-func (a *BotServiceAdapter) SendText(ctx context.Context, botID uint64, toNodeNum int64, text string) error {
+func (a *BotServiceAdapter) SendDirectText(ctx context.Context, botID uint64, toNodeNum int64, text string) error {
-	if a.sendTextFn == nil {
+	if a.sendDirectTextFn == nil {
-		return fmt.Errorf("send text function is nil")
+		return fmt.Errorf("send direct text function is nil")
 	}
-	return a.sendTextFn(ctx, botID, toNodeNum, text)
+	return a.sendDirectTextFn(ctx, botID, toNodeNum, text)
+}
+
+// SendChannelText sends a channel message to a specific channel
+func (a *BotServiceAdapter) SendChannelText(ctx context.Context, botID uint64, channelID string, text string) error {
+	if a.sendChannelTextFn == nil {
+		return fmt.Errorf("send channel text function is nil")
+	}
+	return a.sendChannelTextFn(ctx, botID, channelID, text)
 }

autoreply/queue.go

@@ -38,6 +38,7 @@ type llmMessageQueueRecord struct {
 	PacketID    int64      `gorm:"column:packet_id;not null"`
 	ChannelID   *string    `gorm:"column:channel_id"`
 	Topic       string     `gorm:"column:topic;not null"`
+	MessageType string     `gorm:"column:message_type;not null;default:'direct'"` // "channel" 或 "direct"
 	Status      string     `gorm:"column:status;not null;index"`
 	Error       string     `gorm:"column:error;type:text"`
 	Reply       string     `gorm:"column:reply;type:text"`
@@ -79,6 +80,7 @@ func (q *DBMessageQueue) GetPendingMessages(botID uint64, limit int) ([]QueuedMe
 			PacketID:    r.PacketID,
 			ChannelID:   r.ChannelID,
 			Topic:       r.Topic,
+			MessageType: r.MessageType,
 			ReceivedAt:  r.ReceivedAt,
 		})
 	}

autoreply/service.go

@@ -51,12 +51,21 @@ type QueuedMessage struct {
 	PacketID    int64
 	ChannelID   *string
 	Topic       string
+	MessageType string // "channel" 或 "direct"
 	ReceivedAt  time.Time
 }
 
 // BotSender is the interface for sending bot messages
 type BotSender interface {
-	SendText(ctx context.Context, botID uint64, toNodeNum int64, text string) error
+	// SendDirectText 发送私聊消息给指定节点
+	SendDirectText(ctx context.Context, botID uint64, toNodeNum int64, text string) error
+	// SendChannelText 发送频道消息到指定频道
+	SendChannelText(ctx context.Context, botID uint64, channelID string, text string) error
+}
+
+// SystemPromptStore is the interface for getting the system prompt
+type SystemPromptStore interface {
+	GetLLMPrimaryConfigSystemPrompt() (string, error)
 }
 
 // Service manages automatic AI replies for bots
@@ -67,6 +76,7 @@ type Service struct {
 	convStore         *conversation.Store
 	msgQueue          MessageQueue
 	botSender         BotSender
+	systemPromptStore SystemPromptStore
 
 	running bool
 	mu      sync.Mutex
@@ -82,6 +92,7 @@ func NewService(
 	convStore *conversation.Store,
 	msgQueue MessageQueue,
 	botSender BotSender,
+	systemPromptStore SystemPromptStore,
 ) *Service {
 	return &Service{
 		llmState:          llmState,
@@ -90,6 +101,7 @@ func NewService(
 		convStore:         convStore,
 		msgQueue:          msgQueue,
 		botSender:         botSender,
+		systemPromptStore: systemPromptStore,
 	}
 }
 
@@ -241,13 +253,22 @@ func (s *Service) processMessage(ctx context.Context, msg QueuedMessage) {
 		return
 	}
 
+	// Get system prompt from primary config
+	var systemPrompt string
+	if s.systemPromptStore != nil {
+		systemPrompt, err = s.systemPromptStore.GetLLMPrimaryConfigSystemPrompt()
+		if err != nil {
+			printJSON(map[string]any{"event": "llm_system_prompt_warning", "msg_id": msg.ID, "error": err.Error()})
+		}
+	}
+
 	// Run the tool loop to get augmented messages
 	augmentedMessages, err := toolrouter.RunAgentToolLoop(procCtx, s.toolRouter, profile, conv.Messages, s.toolMgr, nil)
 	_ = augmentedMessages // We'll use this in the future with proper tool support
 
 	// For now, use simple completion since we don't have tools registered yet
-	printJSON(map[string]any{"event": "llm_process_completion_start", "msg_id": msg.ID})
+	printJSON(map[string]any{"event": "llm_process_completion_start", "msg_id": msg.ID, "has_system_prompt": systemPrompt != ""})
-	reply, err := completion.CompleteText(procCtx, profile, conv.Messages, 512)
+	reply, err := completion.CompleteText(procCtx, profile, systemPrompt, conv.Messages, 512)
 	if err != nil {
 		errMsg := fmt.Sprintf("LLM completion failed: %v", err)
 		printJSON(map[string]any{"event": "llm_process_failed", "msg_id": msg.ID, "step": "llm_completion", "error": errMsg})
@@ -304,10 +325,20 @@ func (s *Service) processMessage(ctx context.Context, msg QueuedMessage) {
 		// Non-fatal, continue
 	}
 
-	// Send the reply via the bot
+	// Send the reply via the bot - 根据消息类型决定发送方式
-	printJSON(map[string]any{"event": "llm_process_send_start", "msg_id": msg.ID, "to_node_num": msg.FromNodeNum})
+	// 频道消息：回复到原频道；私聊消息：回复给发送节点
-	if err := s.botSender.SendText(procCtx, msg.BotID, msg.FromNodeNum, reply); err != nil {
+	var sendErr error
-		errMsg := fmt.Sprintf("failed to send reply: %v", err)
+	if msg.MessageType == "channel" && msg.ChannelID != nil && *msg.ChannelID != "" {
+		// 频道消息 - 回复到原频道
+		printJSON(map[string]any{"event": "llm_process_send_start", "msg_id": msg.ID, "channel_id": *msg.ChannelID, "message_type": "channel"})
+		sendErr = s.botSender.SendChannelText(procCtx, msg.BotID, *msg.ChannelID, reply)
+	} else {
+		// 私聊消息 - 回复给发送节点
+		printJSON(map[string]any{"event": "llm_process_send_start", "msg_id": msg.ID, "to_node_num": msg.FromNodeNum, "message_type": "direct"})
+		sendErr = s.botSender.SendDirectText(procCtx, msg.BotID, msg.FromNodeNum, reply)
+	}
+	if sendErr != nil {
+		errMsg := fmt.Sprintf("failed to send reply: %v", sendErr)
 		printJSON(map[string]any{"event": "llm_process_failed", "msg_id": msg.ID, "step": "send_reply", "error": errMsg})
 		_ = s.msgQueue.MarkAsFailed(msg.ID, errMsg)
 		return

bot_direct_message_store.go

@@ -290,7 +290,8 @@ func insertInboundBotDirectMessage(s *store, record map[string]any, clientInfo m
 	}
 	_ = clientInfo // mqtt 元数据已经记录在 content_json 里，这里保留参数以保持队列签名一致
 
-	// 同时将消息添加到 LLM 队列
+	// 同时将消息添加到 LLM 队列（忽略机器人自己发送的消息）
+	if peerNodeID != bot.NodeID {
 		longName := nullableString(record["long_name"])
 		shortName := nullableString(record["short_name"])
 		channelID := nullableString(record["channel_id"])
@@ -306,8 +307,10 @@ func insertInboundBotDirectMessage(s *store, record map[string]any, clientInfo m
 			PacketID:    int64(packetID),
 			ChannelID:   channelID,
 			Topic:       topic,
+			MessageType: "direct",
 			ContentJSON: contentPtr,
 		})
+	}
 	if err != nil {
 		printJSON(map[string]any{
 			"event":   "llm_queue_enqueue_failed",

completion/completion.go

@@ -3,6 +3,7 @@ package completion
 import (
 	"context"
 	"fmt"
+	"strings"
 	"time"
 
 	"meshtastic_mqtt_server/llm"
@@ -35,12 +36,25 @@ func CompleteChat(ctx context.Context, profile *llm.Profile, req model.CreateCha
 }
 
 // CompleteText completes a text prompt using conversation messages
-func CompleteText(ctx context.Context, profile *llm.Profile, messages []message.ChatMessage, maxTokens int) (string, error) {
+// If systemPrompt is not empty, it will be added as the first message
+func CompleteText(ctx context.Context, profile *llm.Profile, systemPrompt string, messages []message.ChatMessage, maxTokens int) (string, error) {
 	if profile == nil || profile.Client == nil {
 		return "", fmt.Errorf("llm profile or client is nil")
 	}
 
-	arkMessages := make([]*model.ChatCompletionMessage, 0, len(messages))
+	arkMessages := make([]*model.ChatCompletionMessage, 0, len(messages)+1)
+
+	// Add system prompt if provided
+	if strings.TrimSpace(systemPrompt) != "" {
+		content := &model.ChatCompletionMessageContent{
+			StringValue: &systemPrompt,
+		}
+		arkMessages = append(arkMessages, &model.ChatCompletionMessage{
+			Role:    "system",
+			Content: content,
+		})
+	}
+
 	for _, msg := range messages {
 		content := &model.ChatCompletionMessageContent{
 			StringValue: &msg.Content,

db.go

@@ -363,6 +363,7 @@ type llmMessageQueueRecord struct {
 	PacketID    int64      `gorm:"column:packet_id;not null;index"`
 	ChannelID   *string    `gorm:"column:channel_id"`
 	Topic       string     `gorm:"column:topic;not null"`
+	MessageType string     `gorm:"column:message_type;not null;default:'direct'"` // "channel" 或 "direct"
 	Status      string     `gorm:"column:status;not null;index"`
 	Error       string     `gorm:"column:error;type:text"`
 	Reply       string     `gorm:"column:reply;type:text"`
@@ -752,6 +753,12 @@ func migrateBotNodePSK(tx *gorm.DB, migrator gorm.Migrator, driver string) error
 			return fmt.Errorf("migrate llm_message_queue reply column: %w", err)
 		}
 	}
+	// 迁移 LLM 消息队列 message_type 列
+	if migrator.HasTable(&llmMessageQueueRecord{}) && !migrator.HasColumn(&llmMessageQueueRecord{}, "MessageType") {
+		if err := tx.Exec("ALTER TABLE llm_message_queue ADD COLUMN message_type text NOT NULL DEFAULT 'direct'").Error; err != nil {
+			return fmt.Errorf("migrate llm_message_queue message_type column: %w", err)
+		}
+	}
 	return nil
 }
 

llm_store.go

@@ -156,6 +156,20 @@ func (s *store) GetLLMPrimaryConfig() (*llmPrimaryConfigRecord, error) {
 	return &record, nil
 }
 
+// GetLLMPrimaryConfigSystemPrompt 获取主 AI 回复配置中的系统提示词
+// 如果没有配置或出错，返回空字符串（autoreply service 会处理这种情况）
+func (s *store) GetLLMPrimaryConfigSystemPrompt() (string, error) {
+	record, err := s.GetLLMPrimaryConfig()
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			// 没有配置时返回空字符串，使用默认行为
+			return "", nil
+		}
+		return "", err
+	}
+	return record.SystemPrompt, nil
+}
+
 // CreateLLMPrimaryConfig 创建主 AI 回复配置
 func (s *store) CreateLLMPrimaryConfig(record *llmPrimaryConfigRecord) error {
 	if err := s.db.Create(record).Error; err != nil {
@@ -206,6 +220,7 @@ type LLMMessageQueueInput struct {
 	PacketID    int64
 	ChannelID   *string
 	Topic       string
+	MessageType string // "channel" 或 "direct"
 	ContentJSON *string
 }
 
@@ -226,6 +241,11 @@ func (s *store) EnqueueLLMMessage(input LLMMessageQueueInput) (*llmMessageQueueR
 		return nil, nil // 机器人的 LLM 队列未启用，静默返回
 	}
 
+	// 忽略机器人自己发送的消息，避免自循环
+	if input.FromNodeID == bot.NodeID {
+		return nil, nil
+	}
+
 	if input.FromNodeID == "" {
 		return nil, fmt.Errorf("from_node_id is required")
 	}
@@ -258,6 +278,10 @@ func (s *store) EnqueueLLMMessage(input LLMMessageQueueInput) (*llmMessageQueueR
 	}
 
 	now := time.Now()
+	messageType := input.MessageType
+	if messageType == "" {
+		messageType = "direct"
+	}
 	record := &llmMessageQueueRecord{
 		BotID:       input.BotID,
 		BotNodeID:   input.BotNodeID,
@@ -270,6 +294,7 @@ func (s *store) EnqueueLLMMessage(input LLMMessageQueueInput) (*llmMessageQueueR
 		PacketID:    input.PacketID,
 		ChannelID:   input.ChannelID,
 		Topic:       input.Topic,
+		MessageType: messageType,
 		Status:      llmMessageStatusPending,
 		ReceivedAt:  now,
 		ContentJSON: input.ContentJSON,
@@ -450,8 +475,11 @@ func enqueueChannelMessageToLLM(s *store, record map[string]any) error {
 		return fmt.Errorf("query bots for channel message enqueue: %w", err)
 	}
 
-	// 为每个符合条件的机器人创建一条队列记录
+	// 为每个符合条件的机器人创建一条队列记录（忽略机器人自己发送的消息）
 	for _, bot := range bots {
+		if fromNodeID == bot.NodeID {
+			continue
+		}
 		_, err = s.EnqueueLLMMessage(LLMMessageQueueInput{
 			BotID:       bot.ID,
 			BotNodeID:   bot.NodeID,
@@ -464,6 +492,7 @@ func enqueueChannelMessageToLLM(s *store, record map[string]any) error {
 			PacketID:    packetID,
 			ChannelID:   channelID,
 			Topic:       topic,
+			MessageType: "channel",
 			ContentJSON: contentPtr,
 		})
 		if err != nil {

main.go

@@ -272,8 +272,9 @@ func run(cfg *config) error {
 				})
 			}
 
-			// Create bot sender adapter
+			// Create bot sender adapter - 支持频道消息和私聊消息两种发送方式
 			botSenderAdapter := autoreply.NewBotServiceAdapter(
+				// SendDirectText: 发送私聊消息
 				func(ctx context.Context, botID uint64, toNodeNum int64, text string) error {
 					_, err := botSender.SendText(ctx, botSendTextRequest{
 						BotID:       botID,
@@ -283,12 +284,23 @@ func run(cfg *config) error {
 					})
 					return err
 				},
+				// SendChannelText: 发送频道消息
+				func(ctx context.Context, botID uint64, channelID string, text string) error {
+					_, err := botSender.SendText(ctx, botSendTextRequest{
+						BotID:       botID,
+						MessageType: "channel",
+						ChannelID:   channelID,
+						Text:        text,
+					})
+					return err
+				},
 			)
 
 			aiService, err = ai.NewService(ai.Config{
 				LLMProviders:      providerConfigs,
 				DataDir:           cfg.DataDir,
 				Enabled:           cfg.AI.Enabled,
+				SystemPromptStore: store,
 			}, store.db, botSenderAdapter)
 			if err != nil {
 				fmt.Fprintf(os.Stderr, "Warning: failed to initialize AI service: %v\n", err)

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781711397025279500.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781711397025279500",
-  "bot_id": 1,
-  "bot_node_id": "!4217495a",
-  "title": "[来自 !8f821aa5] 🌞",
-  "created_at": "2026-06-17T23:49:57.0252795+08:00",
-  "updated_at": "2026-06-17T23:50:03.9827715+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !8f821aa5] 🌞"
-    },
-    {
-      "role": "assistant",
-      "content": "你好呀！☀️\n\n看到你发来的这个像是系统标识符的字符串，还有那个温暖的太阳表情，感觉像是某种问候或者测试信号？\n\n如果你是想让我解读这个 ..."
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781713830520078500.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781713830520078500",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:30:30.5200785+08:00",
-  "updated_at": "2026-06-18T00:30:34.3123551+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！很高兴见到你！😊\n\n我是DeepSeek，由深度求索公司创造的AI助手。无论你有什么问题、需要帮助，还是只是想聊聊天，我都很乐意陪你！\n\n有什\ufffd\ufffd..."
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781713890525027000.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781713890525027000",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:31:30.525027+08:00",
-  "updated_at": "2026-06-18T00:31:33.1653132+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！😊 有什么可以帮你的吗？"
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781713920523402600.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781713920523402600",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:32:00.5234026+08:00",
-  "updated_at": "2026-06-18T00:32:04.2936935+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！很高兴见到你！😊\n\n我是DeepSeek，一个由深度求索公司创造的AI助手。无论你有什么问题、需要帮助，还是只是想聊聊天，我都很乐意陪伴你、\ufffd..."
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781714154187832400.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781714154187832400",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:35:54.1878324+08:00",
-  "updated_at": "2026-06-18T00:35:58.3371209+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！很高兴见到你！😊\n\n我是DeepSeek，由深度求索公司创造的AI助手。无论你有什么问题、需要帮助，还是只是想聊聊天，我都很乐意陪你一起探索\ufffd..."
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781714169190665700.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781714169190665700",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:36:09.1906657+08:00",
-  "updated_at": "2026-06-18T00:36:13.5432077+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！很高兴见到你。😊\n\n我是DeepSeek，由深度求索公司创造的AI助手。我可以帮你解答问题、处理文档、进行创作、分析数据……几乎任何文字相关\ufffd..."
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781714179192265800.json

@@ -1,18 +0,0 @@
-{
-  "id": "bot_1_1781714179192265800",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 111",
-  "created_at": "2026-06-18T00:36:19.1922658+08:00",
-  "updated_at": "2026-06-18T00:36:23.4404859+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 111"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！你发送了“111”，请问有什么需要帮助的吗？如果有具体问题或指令，请告诉我。"
-    }
-  ]
-}

win/var/lib/mesh_mqtt_go/conversations/bot_1_1781714224192405100.json

@@ -1,42 +0,0 @@
-{
-  "id": "bot_1_1781714224192405100",
-  "bot_id": 1,
-  "bot_node_id": "!1abcead5",
-  "title": "[来自 !72d17be4] 你好",
-  "created_at": "2026-06-18T00:37:04.1924051+08:00",
-  "updated_at": "2026-06-18T00:47:31.9941255+08:00",
-  "messages": [
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！很高兴见到你！😊\n\n我收到了你的消息，不过看起来前面那个“!72d17be4”像是一个标识符或者系统生成的代码。如果你有什么具体问题或者需��..."
-    },
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！再次见到你很高兴！😊\n\n我看到你又一次带着“!72d17be4”这个标识出现了。这个标识似乎一直在跟随你的消息。如果你需要我帮你处理、解析��..."
-    },
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！😊\n\n我看到你第三次发来了相同的消息，并且每次前面都带着 **`!72d17be4`** 这个标识。\n\n如果你是在**测试**或者**重复发送**，我理解这可能是��..."
-    },
-    {
-      "role": "user",
-      "content": "[来自 !72d17be4] 你好"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！  我注意到你连续四次发送了相同格式的消息，前面都带有 `[来自 !72d17be4]` 标识。这可能是系统自动发送测试或者你希望引起我的注意。  无论..."
-    }
-  ]
-}