feat: 新增 MCP 模块

- mcp_handler.go, mcp.go, mcp_repo.go, mcp_service.go

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/internal/handler/mcp_handler.go

@@ -0,0 +1,154 @@
+package handler
+
+import (
+	"net/http"
+
+	"x-agents/server/internal/model"
+	"x-agents/server/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// MCPHandler MCP工具处理器
+type MCPHandler struct {
+	mcpService *service.MCPService
+}
+
+// NewMCPHandler 创建MCP处理器
+func NewMCPHandler(mcpService *service.MCPService) *MCPHandler {
+	return &MCPHandler{mcpService: mcpService}
+}
+
+// List 获取MCP列表
+// @Summary 获取MCP列表
+// @Description 获取所有MCP工具配置
+// @Tags MCP管理
+// @Accept json
+// @Produce json
+// @Param category query string false "分类"
+// @Success 200 {object} map[string]interface{}
+// @Router /mcp/list [get]
+func (h *MCPHandler) List(c *gin.Context) {
+	category := c.Query("category")
+
+	var mcps []model.MCP
+	var err error
+
+	if category != "" {
+		mcps, err = h.mcpService.GetMCPsByCategory(category)
+	} else {
+		mcps, err = h.mcpService.GetAllMCPs()
+	}
+
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"list": mcps, "total": len(mcps)})
+}
+
+// GetByID 获取MCP详情
+// @Summary 获取MCP详情
+// @Description 根据ID获取MCP配置
+// @Tags MCP管理
+// @Accept json
+// @Produce json
+// @Param id path string true "MCP ID"
+// @Success 200 {object} map[string]interface{}
+// @Router /mcp/{id} [get]
+func (h *MCPHandler) GetByID(c *gin.Context) {
+	id := c.Param("id")
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "mcp id is required"})
+		return
+	}
+
+	mcp, err := h.mcpService.GetMCPByID(id)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "mcp not found"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"mcp": mcp})
+}
+
+// Create 创建MCP
+// @Summary 创建MCP
+// @Description 创建新的MCP工具配置
+// @Tags MCP管理
+// @Accept json
+// @Produce json
+// @Param mcp body model.MCP true "MCP信息"
+// @Success 200 {object} map[string]interface{}
+// @Router /mcp/add [post]
+func (h *MCPHandler) Create(c *gin.Context) {
+	var mcp model.MCP
+	if err := c.ShouldBindJSON(&mcp); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := h.mcpService.CreateMCP(&mcp); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "mcp created", "mcp": mcp})
+}
+
+// Update 更新MCP
+// @Summary 更新MCP
+// @Description 更新MCP配置
+// @Tags MCP管理
+// @Accept json
+// @Produce json
+// @Param id path string true "MCP ID"
+// @Param mcp body model.MCP true "MCP信息"
+// @Success 200 {object} map[string]interface{}
+// @Router /mcp/{id} [put]
+func (h *MCPHandler) Update(c *gin.Context) {
+	id := c.Param("id")
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "mcp id is required"})
+		return
+	}
+
+	var mcp model.MCP
+	if err := c.ShouldBindJSON(&mcp); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	mcp.ID = id
+	if err := h.mcpService.UpdateMCP(&mcp); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "mcp updated"})
+}
+
+// Delete 删除MCP
+// @Summary 删除MCP
+// @Description 删除MCP配置
+// @Tags MCP管理
+// @Accept json
+// @Produce json
+// @Param id path string true "MCP ID"
+// @Success 200 {object} map[string]interface{}
+// @Router /mcp/{id} [delete]
+func (h *MCPHandler) Delete(c *gin.Context) {
+	id := c.Param("id")
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "mcp id is required"})
+		return
+	}
+
+	if err := h.mcpService.DeleteMCP(id); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "mcp deleted"})
+}