支持公开用户主页、帖子图缩略图与编辑器图组排版。

新增用户签名与活动统计、图片灯箱；正文按需生成缩略图；TipTap 支持多图分组与环绕排版，并注入站点标题避免刷新闪烁。

Co-authored-by: Cursor <cursoragent@cursor.com>

handler/api.go

@@ -662,10 +662,12 @@ func (h *Handlers) APIPosts(c *gin.Context) {
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
 	size, _ := strconv.Atoi(c.DefaultQuery("size", strconv.Itoa(h.Settings.PageSizeDefault())))
 	boardID, _ := strconv.ParseUint(c.Query("board_id"), 10, 64)
+	userID, _ := strconv.ParseUint(c.Query("user_id"), 10, 64)
 	keyword := c.Query("keyword")
 
 	q := service.PostListQuery{
 		BoardID: uint(boardID),
+		UserID:  uint(userID),
 		Page:    page,
 		Size:    size,
 		Keyword: keyword,

handler/handlers.go

@@ -279,6 +279,44 @@ func (h *Handlers) APILogout(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "已退出"})
 }
 
+// APIProfileStats 当前用户活动统计（发帖 / 评论 / 收藏 / 获赞）
+func (h *Handlers) APIProfileStats(c *gin.Context) {
+	st, err := h.User.ActivityStats(h.currentUserID(c))
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"stats": st})
+}
+
+// APIUserPublic 公开用户主页（资料 + 公开统计）
+func (h *Handlers) APIUserPublic(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil || id == 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效用户"})
+		return
+	}
+	user, err := h.User.GetByID(uint(id))
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "用户不存在"})
+		return
+	}
+	st, err := h.User.ActivityStats(user.ID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+	// 收藏数仅本人可见
+	viewerID := h.currentUserID(c)
+	if viewerID != user.ID {
+		st.FavoriteCount = 0
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"user":  user.ToPublic(),
+		"stats": st,
+	})
+}
+
 func (h *Handlers) APIUpdateProfile(c *gin.Context) {
 	nickname := c.PostForm("nickname")
 	if err := h.User.UpdateNickname(h.currentUserID(c), nickname); err != nil {
@@ -293,6 +331,20 @@ func (h *Handlers) APIUpdateProfile(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "昵称已更新", "user": userView})
 }
 
+func (h *Handlers) APIUpdateSignature(c *gin.Context) {
+	signature := c.PostForm("signature")
+	if err := h.User.UpdateSignature(h.currentUserID(c), signature); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	user, _ := h.User.GetByID(h.currentUserID(c))
+	var userView any
+	if user != nil {
+		userView = user.ToSelf()
+	}
+	c.JSON(http.StatusOK, gin.H{"message": "签名已更新", "user": userView})
+}
+
 func (h *Handlers) APIUpdatePassword(c *gin.Context) {
 	oldPass := c.PostForm("old_password")
 	newPass := c.PostForm("new_password")

handler/thumb.go

@@ -0,0 +1,32 @@
+package handler
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"git.iioio.com/freefire/jiang13-forum/service"
+)
+
+// ServeImageThumb 帖子图片缩略图（按需生成并缓存）
+// GET /media/thumb/posts/xxx.jpg → 最长边 1280 的 JPEG 预览
+func (h *Handlers) ServeImageThumb(c *gin.Context) {
+	rel := strings.TrimPrefix(c.Param("filepath"), "/")
+	uploadsRoot := filepath.Join(h.Cfg.DataDir, "uploads")
+	thumbPath, err := service.EnsureUploadThumb(uploadsRoot, rel)
+	if err != nil {
+		// 生成失败时回退原图，避免正文裂图
+		orig := filepath.Join(uploadsRoot, filepath.FromSlash(rel))
+		if st, e := os.Stat(orig); e == nil && !st.IsDir() {
+			c.Header("Cache-Control", "public, max-age=3600")
+			c.File(orig)
+			return
+		}
+		c.Status(http.StatusNotFound)
+		return
+	}
+	c.Header("Cache-Control", "public, max-age=604800, immutable")
+	c.File(thumbPath)
+}