feat: 群聊提醒 — 提醒关联平台/频道/适配器，到期发回原群聊

- reminder_create 新增 platform/channel_type/channel_id/adapter_name 参数
- Gateway Reminder 模型 + DB 迁移 + CRUD 全部支持新字段
- 提醒到期时：群聊提醒 → platform-bridge 发回原群聊
- 非群聊提醒 → 走 Web 端推送
- Thinker 新增 PushPlatformMessage 方法

Co-Authored-By: Claude <noreply@anthropic.com>

backend/ai-core/cmd/main.go

@@ -547,6 +547,10 @@ func main() {
 			Description string `json:"description"`
 			UserID      string `json:"user_id"`
 			SessionID   string `json:"session_id"`
+			Platform    string `json:"platform,omitempty"`
+			ChannelType string `json:"channel_type,omitempty"`
+			ChannelID   string `json:"channel_id,omitempty"`
+			AdapterName string `json:"adapter_name,omitempty"`
 		}
 		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
 			w.WriteHeader(http.StatusBadRequest)
@@ -580,8 +584,23 @@ func main() {
 
 		// Push through the message pusher if available.
 		if thinker != nil {
+			// If group reminder, push through platform-bridge via thinker
+			if req.Platform != "" && req.ChannelID != "" {
+				target := background.ProactiveTarget{
+					Platform: req.Platform,
+					ChatType: req.ChannelType,
+					GroupID:  req.ChannelID,
+				}
+				if req.AdapterName != "" {
+					target.Platform = req.AdapterName
+				}
+				thinker.PushPlatformMessage(target, reminderMsg)
+			}
+			// 只有非群聊提醒才推Web端（群聊提醒已通过platform-bridge发送）
+			if req.Platform == "" {
 				thinker.TriggerReminderMessage(req.UserID, req.SessionID, reminderMsg)
 			}
+		}
 		w.Header().Set("Content-Type", "application/json")
 		w.Write([]byte(`{"status":"ok"}`))
 	})

backend/ai-core/internal/background/thinker.go

@@ -397,6 +397,17 @@ func (t *Thinker) TriggerReminderMessage(userID, sessionID, message string) {
 	}
 }
 
+// PushPlatformMessage pushes a message to a platform channel via the platform pusher.
+func (t *Thinker) PushPlatformMessage(target ProactiveTarget, message string) {
+	t.mu.Lock()
+	pusher := t.platformMessagePusher
+	t.mu.Unlock()
+	if pusher != nil {
+		log.Printf("[平台推送] target=%s/%s group=%s msg=%s", target.Platform, target.ChatType, target.GroupID, message)
+		pusher(target, message)
+	}
+}
+
 // ThinkerConfig 后台思考配置
 type ThinkerConfig struct {
 	Enabled          bool

backend/ai-core/internal/tools/gateway_client.go

@@ -38,7 +38,7 @@ type Reminder struct {
 }
 
 // CreateReminder calls POST /api/v1/internal/reminders on the Gateway.
-func (c *GatewayClient) CreateReminder(ctx context.Context, userID, title, description, remindAt, repeatType, sessionID string) (*Reminder, error) {
+func (c *GatewayClient) CreateReminder(ctx context.Context, userID, title, description, remindAt, repeatType, sessionID, platform, channelType, channelID, adapterName string) (*Reminder, error) {
 	body := map[string]interface{}{
 		"user_id":     userID,
 		"title":       title,
@@ -46,6 +46,10 @@ func (c *GatewayClient) CreateReminder(ctx context.Context, userID, title, descr
 		"remind_at":   remindAt,
 		"repeat_type": repeatType,
 		"session_id":  sessionID,
+		"platform":     platform,
+		"channel_type": channelType,
+		"channel_id":   channelID,
+		"adapter_name": adapterName,
 	}
 	reqBody, _ := json.Marshal(body)
 

backend/ai-core/internal/tools/reminder_tool.go

@@ -20,7 +20,7 @@ func NewReminderCreateTool(gw *GatewayClient, adminID string) *ReminderCreateToo
 func (t *ReminderCreateTool) Definition() ToolDefinition {
 	return ToolDefinition{
 		Name:        "reminder_create",
-		Description: "创建一个定时提醒。可用于提醒用户做某事、定时通知等。支持重复类型（none/daily/weekly/monthly）。时间格式为 ISO8601（如 2026-06-23T08:00:00+08:00）。",
+		Description: "创建一个定时提醒。时间格式为 ISO8601（如 2026-06-23T08:00:00+08:00）。如果在群聊中创建提醒，请传入 platform/channel_id/channel_type/adapter_name 以便提醒时发回原群聊。",
 		Parameters: map[string]interface{}{
 			"type": "object",
 			"properties": map[string]interface{}{
@@ -28,6 +28,10 @@ func (t *ReminderCreateTool) Definition() ToolDefinition {
 				"description": map[string]string{"type": "string", "description": "提醒详细描述（可选）"},
 				"remind_at":   map[string]string{"type": "string", "description": "提醒时间，ISO8601 格式，如 2026-06-23T08:00:00+08:00"},
 				"repeat_type": map[string]string{"type": "string", "description": "重复类型：none（不重复）, daily（每天）, weekly（每周）, monthly（每月），默认 none"},
+				"platform":     map[string]string{"type": "string", "description": "（群聊提醒时必填）平台类型，如 obv11"},
+				"channel_type": map[string]string{"type": "string", "description": "（群聊提醒时必填）频道类型：group"},
+				"channel_id":   map[string]string{"type": "string", "description": "（群聊提醒时必填）群号"},
+				"adapter_name": map[string]string{"type": "string", "description": "（群聊提醒时必填）适配器名，如 obv11-main"},
 			},
 			"required": []string{"title", "remind_at"},
 		},
@@ -47,7 +51,11 @@ func (t *ReminderCreateTool) Execute(ctx context.Context, args map[string]interf
 		return &ToolResult{Success: false, Error: "title 和 remind_at 为必填项"}, nil
 	}
 
-	reminder, err := t.gw.CreateReminder(ctx, t.adminID, title, description, remindAt, repeatType, "")
+	platform, _ := args["platform"].(string)
+	channelType, _ := args["channel_type"].(string)
+	channelID, _ := args["channel_id"].(string)
+	adapterName, _ := args["adapter_name"].(string)
+	reminder, err := t.gw.CreateReminder(ctx, t.adminID, title, description, remindAt, repeatType, "", platform, channelType, channelID, adapterName)
 	if err != nil {
 		return &ToolResult{Success: false, Error: err.Error()}, nil
 	}

backend/gateway/internal/handler/reminder_handler.go

@@ -35,7 +35,11 @@ type CreateReminderRequest struct {
 	RemindAt    string `json:"remind_at" binding:"required"` // ISO 8601 格式
 	RepeatType  string `json:"repeat_type"`                  // none, daily, weekly, monthly
 	SessionID   string `json:"session_id"`
-	UserID      string `json:"user_id,omitempty"` // 内部调用时直接传 userID
+	UserID      string `json:"user_id,omitempty"`
+	Platform    string `json:"platform,omitempty"`
+	ChannelType string `json:"channel_type,omitempty"`
+	ChannelID   string `json:"channel_id,omitempty"`
+	AdapterName string `json:"adapter_name,omitempty"` // 内部调用时直接传 userID
 }
 
 // UpdateReminderRequest 更新提醒请求体
@@ -129,6 +133,10 @@ func (h *ReminderHandler) Create(c *gin.Context) {
 		Status:      "pending",
 		RepeatType:  repeatType,
 		SessionID:   req.SessionID,
+		Platform:    req.Platform,
+		ChannelType: req.ChannelType,
+		ChannelID:   req.ChannelID,
+		AdapterName: req.AdapterName,
 		Notified:    false,
 	}
 
@@ -360,6 +368,10 @@ func triggerLLMReminder(aiCoreURL, internalToken string, r store.Reminder) {
 		"description":  r.Description,
 		"user_id":      r.UserID,
 		"session_id":   r.SessionID,
+		"platform":     r.Platform,
+		"channel_type": r.ChannelType,
+		"channel_id":   r.ChannelID,
+		"adapter_name": r.AdapterName,
 	}
 	reqBody, _ := json.Marshal(body)
 	req, err := http.NewRequest("POST", aiCoreURL+"/api/v1/internal/reminder-trigger", bytes.NewReader(reqBody))

backend/gateway/internal/store/reminder_store.go

@@ -19,6 +19,10 @@ type Reminder struct {
 	CompletedAt *time.Time `json:"completed_at,omitempty"`
 	RepeatType  string     `json:"repeat_type"` // none, daily, weekly, monthly
 	SessionID   string     `json:"session_id"`
+	Platform    string     `json:"platform,omitempty"`      // 来源平台
+	ChannelType string     `json:"channel_type,omitempty"`  // 频道类型
+	ChannelID   string     `json:"channel_id,omitempty"`    // 频道ID
+	AdapterName string     `json:"adapter_name,omitempty"`  // 适配器名
 	Notified    bool       `json:"notified"`
 }
 
@@ -59,6 +63,10 @@ func (s *ReminderStore) migrate() error {
 		`CREATE INDEX IF NOT EXISTS idx_reminders_remind_at ON reminders(remind_at)`,
 		`CREATE INDEX IF NOT EXISTS idx_reminders_status ON reminders(status)`,
 		`CREATE INDEX IF NOT EXISTS idx_reminders_due ON reminders(remind_at, status, notified)`,
+		`ALTER TABLE reminders ADD COLUMN IF NOT EXISTS platform VARCHAR(32) DEFAULT ''`,
+		`ALTER TABLE reminders ADD COLUMN IF NOT EXISTS channel_type VARCHAR(16) DEFAULT ''`,
+		`ALTER TABLE reminders ADD COLUMN IF NOT EXISTS channel_id VARCHAR(64) DEFAULT ''`,
+		`ALTER TABLE reminders ADD COLUMN IF NOT EXISTS adapter_name VARCHAR(64) DEFAULT ''`,
 	}
 
 	for _, q := range queries {
@@ -75,7 +83,7 @@ func (s *ReminderStore) CreateReminder(r *Reminder) error {
 		r.CreatedAt = time.Now()
 	}
 	_, err := s.db.Exec(
-		`INSERT INTO reminders (id, user_id, title, description, remind_at, status, created_at, repeat_type, session_id)
+		`INSERT INTO reminders (id, user_id, title, description, remind_at, status, created_at, repeat_type, session_id, platform, channel_type, channel_id, adapter_name)
 		 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
 		r.ID, r.UserID, r.Title, r.Description, r.RemindAt, r.Status, r.CreatedAt, r.RepeatType, r.SessionID,
 	)
@@ -99,14 +107,14 @@ func (s *ReminderStore) GetRemindersByUser(userID, status string, limit, offset
 
 	if status != "" {
 		rows, err = s.db.Query(
-			`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified
+			`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified, platform, channel_type, channel_id, adapter_name
 			 FROM reminders WHERE user_id = $1 AND status = $2
 			 ORDER BY remind_at ASC LIMIT $3 OFFSET $4`,
 			userID, status, limit, offset,
 		)
 	} else {
 		rows, err = s.db.Query(
-			`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified
+			`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified, platform, channel_type, channel_id, adapter_name
 			 FROM reminders WHERE user_id = $1
 			 ORDER BY remind_at ASC LIMIT $2 OFFSET $3`,
 			userID, limit, offset,
@@ -121,7 +129,7 @@ func (s *ReminderStore) GetRemindersByUser(userID, status string, limit, offset
 	for rows.Next() {
 		var r Reminder
 		if err := rows.Scan(&r.ID, &r.UserID, &r.Title, &r.Description, &r.RemindAt,
-			&r.Status, &r.CreatedAt, &r.CompletedAt, &r.RepeatType, &r.SessionID, &r.Notified); err != nil {
+			&r.Status, &r.CreatedAt, &r.CompletedAt, &r.RepeatType, &r.SessionID, &r.Notified, &r.Platform, &r.ChannelType, &r.ChannelID, &r.AdapterName); err != nil {
 			return nil, fmt.Errorf("扫描提醒行失败: %w", err)
 		}
 		reminders = append(reminders, r)
@@ -136,7 +144,7 @@ func (s *ReminderStore) GetRemindersByUser(userID, status string, limit, offset
 // GetDueReminders 获取所有到期且未通知的提醒
 func (s *ReminderStore) GetDueReminders() ([]Reminder, error) {
 	rows, err := s.db.Query(
-		`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified
+		`SELECT id, user_id, title, description, remind_at, status, created_at, completed_at, repeat_type, session_id, notified, platform, channel_type, channel_id, adapter_name
 		 FROM reminders
 		 WHERE remind_at <= NOW() AND status = 'pending' AND notified = FALSE
 		 ORDER BY remind_at ASC`,
@@ -150,7 +158,7 @@ func (s *ReminderStore) GetDueReminders() ([]Reminder, error) {
 	for rows.Next() {
 		var r Reminder
 		if err := rows.Scan(&r.ID, &r.UserID, &r.Title, &r.Description, &r.RemindAt,
-			&r.Status, &r.CreatedAt, &r.CompletedAt, &r.RepeatType, &r.SessionID, &r.Notified); err != nil {
+			&r.Status, &r.CreatedAt, &r.CompletedAt, &r.RepeatType, &r.SessionID, &r.Notified, &r.Platform, &r.ChannelType, &r.ChannelID, &r.AdapterName); err != nil {
 			return nil, fmt.Errorf("扫描到期提醒行失败: %w", err)
 		}
 		reminders = append(reminders, r)