feat: 新增获取skill内容的API路由

- 新增 GET /skill/content 获取skill的SKILL.md内容

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

server/cmd/api/main.go

@@ -491,6 +491,7 @@ func main() {
 		skillGroup.GET("/list", skillHandler.List)
 		skillGroup.GET("/sync", skillHandler.Sync)
 		skillGroup.GET("/:id", skillHandler.GetByID)
+		skillGroup.GET("/content", skillHandler.GetSkillContent)
 		skillGroup.POST("/add", skillHandler.Create)
 		skillGroup.PUT("/:id", skillHandler.Update)
 		skillGroup.DELETE("/:id", skillHandler.Delete)

server/internal/handler/skill_handler.go

@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"fmt"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -234,6 +235,19 @@ func (h *SkillHandler) getProjectRoot() string {
 // @Param skill body model.Skill true "技能信息"
 // @Success 200 {object} map[string]interface{} "{"message": "skill updated"}"
 // @Router /skill/{id} [put]
+// Update 更新技能
+// @Summary 更新技能
+// @Description 更新技能信息，支持文件上传
+// @Tags 技能管理
+// @Accept multipart/form-data
+// @Produce json
+// @Param id path string true "技能ID"
+// @Param skill_name formData string false "技能名称"
+// @Param skill_desc formData string false "技能描述"
+// @Param skill_type formData string false "技能类型"
+// @Param file formData file false "技能文件(SKILL.md)"
+// @Success 200 {object} map[string]interface{} "{"message": "skill updated"}"
+// @Router /skill/{id} [put]
 func (h *SkillHandler) Update(c *gin.Context) {
 	id := c.Param("id")
 	if id == "" {
@@ -241,19 +255,142 @@ func (h *SkillHandler) Update(c *gin.Context) {
 		return
 	}
 
-	var skill model.Skill
-	if err := c.ShouldBindJSON(&skill); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+	// 获取现有技能信息
+	existingSkill, err := h.skillService.GetSkillByID(id)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "skill not found"})
 		return
 	}
 
-	skill.ID = id
-	if err := h.skillService.UpdateSkill(&skill); err != nil {
+	skillName := c.PostForm("skill_name")
+	skillDesc := c.PostForm("skill_desc")
+	skillType := c.PostForm("skill_type")
+
+	// 如果没有传则使用现有值
+	if skillName == "" {
+		skillName = existingSkill.SkillName
+	}
+	if skillDesc == "" {
+		skillDesc = existingSkill.SkillDesc
+	}
+	if skillType == "" {
+		skillType = existingSkill.SkillType
+	}
+
+	// 获取项目根目录
+	projectRoot := h.getProjectRoot()
+	if projectRoot == "" {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "cannot find project root"})
+		return
+	}
+
+	// 如果技能名称改变了，需要重命名文件夹
+	oldPath := existingSkill.Path
+	if skillName != existingSkill.SkillName && oldPath != "" {
+		// 旧目录
+		oldDir := filepath.Dir(oldPath)
+		// 新目录
+		skillDir := "user"
+		if skillType == "system" {
+			skillDir = "system"
+		}
+		newDir := filepath.Join(projectRoot, "core", "agents", "skills", skillDir, skillName)
+
+		// 重命名目录
+		if err := os.Rename(oldDir, newDir); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to rename skill directory: " + err.Error()})
+			return
+		}
+
+		// 更新路径
+		existingSkill.Path = filepath.Join(newDir, "SKILL.md")
+	}
+
+	// 处理文件上传
+	file, err := c.FormFile("file")
+	if err == nil {
+		// 保存上传的文件为 SKILL.md
+		skillFilePath := filepath.Join(filepath.Dir(existingSkill.Path), "SKILL.md")
+		if err := c.SaveUploadedFile(file, skillFilePath); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to save skill file: " + err.Error()})
+			return
+		}
+	}
+
+	// 更新技能信息
+	existingSkill.SkillName = skillName
+	existingSkill.SkillDesc = skillDesc
+	existingSkill.SkillType = skillType
+
+	if err := h.skillService.UpdateSkill(existingSkill); err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}
 
-	c.JSON(http.StatusOK, gin.H{"message": "skill updated"})
+	c.JSON(http.StatusOK, gin.H{"message": "skill updated", "skill": existingSkill})
+}
+
+// GetSkillContent 获取技能文件内容
+// @Summary 获取技能文件内容
+// @Description 获取指定技能对应的 SKILL.md 文件内容
+// @Tags 技能管理
+// @Accept json
+// @Produce text/plain
+// @Param id path string true "技能ID"
+// @Success 200 {string} string "文件内容"
+// @Router /skill/content [get]
+func (h *SkillHandler) GetSkillContent(c *gin.Context) {
+	id := c.Query("id")
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "skill id is required"})
+		return
+	}
+
+	// 获取技能信息
+	skill, err := h.skillService.GetSkillByID(id)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "skill not found"})
+		return
+	}
+
+	// 确定文件路径
+	filePath := skill.Path
+	if filePath == "" {
+		// 如果 path 为空，根据 skill_name 和 skill_type 构造默认路径
+		projectRoot := h.getProjectRoot()
+		if projectRoot != "" {
+			skillDir := "user"
+			if skill.SkillType == "system" {
+				skillDir = "system"
+			}
+			filePath = filepath.Join(projectRoot, "core", "agents", "skills", skillDir, skill.SkillName, "SKILL.md")
+			fmt.Printf("GetSkillContent: path is empty, constructed path: %s\n", filePath)
+		}
+	}
+
+	// 如果仍然没有路径，返回错误
+	if filePath == "" {
+		c.JSON(http.StatusNotFound, gin.H{"error": "skill path is empty"})
+		return
+	}
+
+	// 检查文件是否存在
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		fmt.Printf("GetSkillContent error: file not found, path=%s\n", filePath)
+		c.JSON(http.StatusNotFound, gin.H{"error": "skill file not found: " + filePath})
+		return
+	}
+
+	// 读取文件内容
+	content, err := os.ReadFile(filePath)
+	if err != nil {
+		fmt.Printf("GetSkillContent error: read file failed, path=%s, err=%s\n", filePath, err.Error())
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to read file"})
+		return
+	}
+
+	fmt.Printf("GetSkillContent success: id=%s, path=%s, size=%d\n", id, filePath, len(content))
+	c.Data(http.StatusOK, "text/plain; charset=utf-8", content)
 }
 
 // Delete 删除技能