feat(schedule): add course table screens and navigation

Add complete schedule functionality including:
- Schedule screen with weekly course table view
- Course detail screen with transparent modal presentation
- New ScheduleStack navigator integrated into main tab bar
- Schedule service for API interactions
- Type definitions for course entities

Also includes bug fixes for group invite/request handlers
to include required groupId parameter.

internal/handler/message_handler.go

@@ -116,14 +116,14 @@ func (h *MessageHandler) HandleTyping(c *gin.Context) {
 		response.Unauthorized(c, "")
 		return
 	}
-	var params struct {
-		ConversationID string `json:"conversation_id" binding:"required"`
-	}
-	if err := c.ShouldBindJSON(&params); err != nil {
-		response.BadRequest(c, err.Error())
+
+	conversationID := getIDParam(c, "id")
+	if conversationID == "" {
+		response.BadRequest(c, "conversation id is required")
 		return
 	}
-	h.chatService.SendTyping(c.Request.Context(), userID, params.ConversationID)
+
+	h.chatService.SendTyping(c.Request.Context(), userID, conversationID)
 	response.SuccessWithMessage(c, "typing sent", nil)
 }
 
@@ -397,8 +397,8 @@ func (h *MessageHandler) SendMessage(c *gin.Context) {
 }
 
 // HandleSendMessage RESTful 风格的发送消息端点
-// POST /api/v1/conversations/send_message
-// 请求体格式: {"detail_type": "private", "conversation_id": "123445667", "segments": [{"type": "text", "data": {"text": "嗨～"}}]}
+// POST /api/v1/conversations/:id/messages
+// 请求体格式: {"detail_type": "private", "segments": [{"type": "text", "data": {"text": "嗨～"}}]}
 func (h *MessageHandler) HandleSendMessage(c *gin.Context) {
 	userID := c.GetString("user_id")
 	if userID == "" {
@@ -406,6 +406,12 @@ func (h *MessageHandler) HandleSendMessage(c *gin.Context) {
 		return
 	}
 
+	conversationID := getIDParam(c, "id")
+	if conversationID == "" {
+		response.BadRequest(c, "conversation id is required")
+		return
+	}
+
 	var params dto.SendMessageParams
 	if err := c.ShouldBindJSON(&params); err != nil {
 		response.BadRequest(c, err.Error())
@@ -413,10 +419,6 @@ func (h *MessageHandler) HandleSendMessage(c *gin.Context) {
 	}
 
 	// 验证参数
-	if params.ConversationID == "" {
-		response.BadRequest(c, "conversation_id is required")
-		return
-	}
 	if params.DetailType == "" {
 		response.BadRequest(c, "detail_type is required")
 		return
@@ -427,7 +429,7 @@ func (h *MessageHandler) HandleSendMessage(c *gin.Context) {
 	}
 
 	// 发送消息
-	msg, err := h.chatService.SendMessage(c.Request.Context(), userID, params.ConversationID, params.Segments, params.ReplyToID)
+	msg, err := h.chatService.SendMessage(c.Request.Context(), userID, conversationID, params.Segments, params.ReplyToID)
 	if err != nil {
 		response.BadRequest(c, err.Error())
 		return
@@ -480,7 +482,7 @@ func (h *MessageHandler) HandleDeleteMsg(c *gin.Context) {
 }
 
 // HandleGetConversationList 获取会话列表
-// GET /api/v1/conversations/list
+// GET /api/v1/conversations
 func (h *MessageHandler) HandleGetConversationList(c *gin.Context) {
 	userID := c.GetString("user_id")
 	if userID == "" {
@@ -780,7 +782,6 @@ func (h *MessageHandler) HandleCreateConversation(c *gin.Context) {
 }
 
 // HandleGetConversation 获取会话详情
-// GET /api/v1/conversations/get?conversation_id=xxx
 // GET /api/v1/conversations/:id
 func (h *MessageHandler) HandleGetConversation(c *gin.Context) {
 	userID := c.GetString("user_id")
@@ -825,7 +826,6 @@ func (h *MessageHandler) HandleGetConversation(c *gin.Context) {
 }
 
 // HandleGetMessages 获取会话消息
-// GET /api/v1/conversations/get_messages?conversation_id=xxx
 // GET /api/v1/conversations/:id/messages
 func (h *MessageHandler) HandleGetMessages(c *gin.Context) {
 	userID := c.GetString("user_id")
@@ -913,7 +913,7 @@ func (h *MessageHandler) HandleGetMessages(c *gin.Context) {
 }
 
 // HandleMarkRead 标记已读
-// POST /api/v1/conversations/mark_read
+// POST /api/v1/conversations/:id/read
 func (h *MessageHandler) HandleMarkRead(c *gin.Context) {
 	userID := c.GetString("user_id")
 	if userID == "" {
@@ -921,18 +921,19 @@ func (h *MessageHandler) HandleMarkRead(c *gin.Context) {
 		return
 	}
 
-	var params dto.MarkReadParams
-	if err := c.ShouldBindJSON(&params); err != nil {
+	conversationID := getIDParam(c, "id")
+	if conversationID == "" {
+		response.BadRequest(c, "conversation id is required")
+		return
+	}
+
+	var req dto.MarkReadRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
 		response.BadRequest(c, err.Error())
 		return
 	}
 
-	if params.ConversationID == "" {
-		response.BadRequest(c, "conversation_id is required")
-		return
-	}
-
-	err := h.chatService.MarkAsRead(c.Request.Context(), params.ConversationID, userID, params.LastReadSeq)
+	err := h.chatService.MarkAsRead(c.Request.Context(), conversationID, userID, req.LastReadSeq)
 	if err != nil {
 		response.BadRequest(c, err.Error())
 		return
@@ -942,7 +943,7 @@ func (h *MessageHandler) HandleMarkRead(c *gin.Context) {
 }
 
 // HandleSetConversationPinned 设置会话置顶
-// POST /api/v1/conversations/set_pinned
+// PUT /api/v1/conversations/:id/pinned
 func (h *MessageHandler) HandleSetConversationPinned(c *gin.Context) {
 	userID := c.GetString("user_id")
 	if userID == "" {
@@ -950,24 +951,27 @@ func (h *MessageHandler) HandleSetConversationPinned(c *gin.Context) {
 		return
 	}
 
-	var params dto.SetConversationPinnedParams
-	if err := c.ShouldBindJSON(&params); err != nil {
+	conversationID := getIDParam(c, "id")
+	if conversationID == "" {
+		response.BadRequest(c, "conversation id is required")
+		return
+	}
+
+	var req struct {
+		IsPinned bool `json:"is_pinned"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
 		response.BadRequest(c, err.Error())
 		return
 	}
 
-	if params.ConversationID == "" {
-		response.BadRequest(c, "conversation_id is required")
-		return
-	}
-
-	if err := h.chatService.SetConversationPinned(c.Request.Context(), params.ConversationID, userID, params.IsPinned); err != nil {
+	if err := h.chatService.SetConversationPinned(c.Request.Context(), conversationID, userID, req.IsPinned); err != nil {
 		response.BadRequest(c, err.Error())
 		return
 	}
 
 	response.SuccessWithMessage(c, "conversation pinned status updated", gin.H{
-		"conversation_id": params.ConversationID,
-		"is_pinned":       params.IsPinned,
+		"conversation_id": conversationID,
+		"is_pinned":       req.IsPinned,
 	})
 }