feat(home): 修复swiper动画、宜忌布局、月历显示、节日速查

1. 修复swiper箭头点击动画丢失问题
   - 改用固定7天窗口，滑动到边缘时整体滚动数据
   - 保持dayIndex连续，确保swiper平滑动画

2. 修复宜忌两行显示压在一起
   - 设置item固定高度32rpx和行距12rpx
   - 超出2行显示...省略号

3. 修复月历数字竖向排列问题
   - 修正wxml嵌套结构，让42个格子正确排成6行7列
   - 压缩格子高度，放大数字字体

4. 节日速查功能优化
   - 默认显示3条，右侧添加更多

server/internal/handler/wiki.go

@@ -0,0 +1,161 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gouki/lunar-server/internal/model"
+	"github.com/gouki/lunar-server/internal/service"
+)
+
+// WikiSync 维基百科同步服务实例（main 中注入）
+var WikiSync *service.WikiSyncService
+
+// ===== 公开接口（小程序） =====
+
+// GetWikiEntries 百科条目列表（小程序百科页）
+func GetWikiEntries(c *gin.Context) {
+	wikiService := service.NewWikiService()
+	entries, err := wikiService.ListEntries(c.Query("category"), c.Query("keyword"), 1)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"code": 500,
+			"msg":  "获取百科条目失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": gin.H{
+			"list": entries,
+		},
+	})
+}
+
+// GetOnThisDay 历史上的今天（含大事记/出生/逝世/节假日）
+func GetOnThisDay(c *gin.Context) {
+	month, _ := strconv.Atoi(c.Query("month"))
+	day, _ := strconv.Atoi(c.Query("day"))
+
+	wikiService := service.NewWikiService()
+	result, err := wikiService.GetOnThisDay(month, day)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"code": 400,
+			"msg":  err.Error(),
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": result,
+	})
+}
+
+// ===== 管理后台接口 =====
+
+// AdminWikiEntries 百科条目列表（含隐藏条目）
+func AdminWikiEntries(c *gin.Context) {
+	wikiService := service.NewWikiService()
+	entries, err := wikiService.ListEntries(c.Query("category"), c.Query("keyword"), -1)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "msg": "获取百科条目失败"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": gin.H{"list": entries},
+	})
+}
+
+// AdminWikiEntryCreate 新增百科条目
+func AdminWikiEntryCreate(c *gin.Context) {
+	var entry model.WikiEntry
+	if err := c.ShouldBindJSON(&entry); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "msg": "参数错误"})
+		return
+	}
+
+	wikiService := service.NewWikiService()
+	if err := wikiService.CreateEntry(&entry); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "msg": err.Error()})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": entry,
+	})
+}
+
+// AdminWikiEntryUpdate 更新百科条目
+func AdminWikiEntryUpdate(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "msg": "无效的ID"})
+		return
+	}
+
+	var entry model.WikiEntry
+	if err := c.ShouldBindJSON(&entry); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "msg": "参数错误"})
+		return
+	}
+
+	wikiService := service.NewWikiService()
+	if err := wikiService.UpdateEntry(uint(id), &entry); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "msg": "更新失败"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"code": 0, "msg": "success"})
+}
+
+// AdminWikiEntryDelete 删除百科条目
+func AdminWikiEntryDelete(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "msg": "无效的ID"})
+		return
+	}
+
+	wikiService := service.NewWikiService()
+	if err := wikiService.DeleteEntry(uint(id)); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "msg": "删除失败"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"code": 0, "msg": "success"})
+}
+
+// AdminWikiSyncStatus 维基百科同步状态
+func AdminWikiSyncStatus(c *gin.Context) {
+	wikiService := service.NewWikiService()
+	status, err := wikiService.GetSyncStatus(WikiSync != nil && WikiSync.IsRunning())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "msg": "获取同步状态失败"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": status,
+	})
+}
+
+// AdminWikiSyncTrigger 手动触发全量同步（异步执行）
+func AdminWikiSyncTrigger(c *gin.Context) {
+	if WikiSync == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"code": 503, "msg": "同步服务未初始化"})
+		return
+	}
+	if !WikiSync.TriggerSync("admin", true) {
+		c.JSON(http.StatusConflict, gin.H{"code": 409, "msg": "已有同步任务正在执行，请稍后再试"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"code": 0, "msg": "同步任务已启动"})
+}