feat(wish-tree): 许愿树游戏化改造

- 前端：全屏Canvas场景，夜空/云朵/草地/大树
- 前端：丝带系统，支持陀螺仪和麦克风交互
- 前端：弹幕许愿展示
- 前端：多棵树切换（祈福树/姻缘树/事业树）
- 后端：新增GET /api/wish/trees获取树列表
- 后端：新增GET /api/wish/tree/:id/wishes获取树许愿
- 后端：WishTree模型新增Type、Sort字段
- 后端：AutoMigrate自动处理表结构变更
- 后端：seedDefaultData自动初始化默认数据
- 数据库：wish_trees表新增type、sort字段

server/cmd/main.go

@@ -71,7 +71,9 @@ func main() {
 		// 许愿相关
 		wish := api.Group("/wish")
 		{
+			wish.GET("/trees", handler.GetWishTrees)
 			wish.GET("/tree", handler.GetWishTree)
+			wish.GET("/tree/:id/wishes", handler.GetTreeWishes)
 			wish.POST("/create", middleware.Auth(), handler.CreateWish)
 			wish.GET("/list", handler.GetWishList)
 			wish.GET("/:id", handler.GetWishDetail)

server/internal/config/database.go

@@ -38,7 +38,7 @@ func InitDB(cfg *Config) error {
 
 // autoMigrate 自动迁移数据库表
 func autoMigrate() error {
-	return DB.AutoMigrate(
+	if err := DB.AutoMigrate(
 		&model.User{},
 		&model.UserProfile{},
 		&model.Order{},
@@ -46,7 +46,45 @@ func autoMigrate() error {
 		&model.WishTree{},
 		&model.Wish{},
 		&model.WishProduct{},
-	)
+	); err != nil {
+		return err
+	}
+
+	// 初始化默认数据
+	return seedDefaultData()
+}
+
+// seedDefaultData 初始化默认数据
+func seedDefaultData() error {
+	// 检查是否已有许愿树数据
+	var count int64
+	DB.Model(&model.WishTree{}).Count(&count)
+	if count > 0 {
+		return nil // 已有数据，跳过
+	}
+
+	// 插入默认许愿树
+	trees := []model.WishTree{
+		{Name: "祈福树", Description: "许下美好愿望，祈福平安顺遂", Type: "pine", MaxWishes: 100, Sort: 0, Status: 1},
+		{Name: "姻缘树", Description: "祈求姻缘美满，爱情甜蜜", Type: "sakura", MaxWishes: 50, Sort: 1, Status: 1},
+		{Name: "事业树", Description: "祈愿事业顺利，步步高升", Type: "bamboo", MaxWishes: 80, Sort: 2, Status: 1},
+	}
+	if err := DB.Create(&trees).Error; err != nil {
+		return err
+	}
+
+	// 插入默认许愿商品
+	products := []model.WishProduct{
+		{Name: "普通许愿条", Description: "基础许愿条，展示7天", Price: 100, Duration: 7, Position: 0, Status: 1},
+		{Name: "精品许愿条", Description: "精品许愿条，展示30天，优先位置", Price: 500, Duration: 30, Position: 10, Status: 1},
+		{Name: "至尊许愿条", Description: "至尊许愿条，展示90天，置顶显示", Price: 2000, Duration: 90, Position: 100, Status: 1},
+	}
+	if err := DB.Create(&products).Error; err != nil {
+		return err
+	}
+
+	log.Println("Default data seeded successfully")
+	return nil
 }
 
 // GetDB 获取数据库连接

server/internal/handler/wish.go

@@ -9,6 +9,27 @@ import (
 	"github.com/gouki/lunar-server/internal/service"
 )
 
+// GetWishTrees 获取许愿树列表
+func GetWishTrees(c *gin.Context) {
+	wishService := service.NewWishService()
+	trees, err := wishService.GetWishTrees()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"code": 500,
+			"msg":  "获取许愿树列表失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": gin.H{
+			"list": trees,
+		},
+	})
+}
+
 // GetWishTree 获取许愿树
 func GetWishTree(c *gin.Context) {
 	treeID, _ := strconv.Atoi(c.DefaultQuery("treeId", "1"))
@@ -95,6 +116,29 @@ func CreateWish(c *gin.Context) {
 	})
 }
 
+// GetTreeWishes 获取指定树的许愿列表
+func GetTreeWishes(c *gin.Context) {
+	treeID, _ := strconv.Atoi(c.Param("id"))
+
+	wishService := service.NewWishService()
+	wishes, err := wishService.GetTreeWishes(uint(treeID))
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"code": 500,
+			"msg":  "获取许愿列表失败",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"code": 0,
+		"msg":  "success",
+		"data": gin.H{
+			"list": wishes,
+		},
+	})
+}
+
 // GetWishList 获取许愿列表
 func GetWishList(c *gin.Context) {
 	treeID, _ := strconv.Atoi(c.DefaultQuery("treeId", "1"))

server/internal/model/wish.go

@@ -23,7 +23,9 @@ type WishTree struct {
 	ID          uint      `gorm:"primaryKey" json:"id"`
 	Name        string    `gorm:"size:50" json:"name"`
 	Description string    `gorm:"size:255" json:"description"`
+	Type        string    `gorm:"size:20;default:'pine'" json:"type"` // pine:松树 sakura:樱花 bamboo:竹子
 	MaxWishes   int       `gorm:"default:100" json:"maxWishes"` // 最大许愿条数
+	Sort        int       `gorm:"default:0" json:"sort"` // 排序
 	Status      int       `gorm:"default:1" json:"status"`
 	CreatedAt   time.Time `json:"createdAt"`
 	UpdatedAt   time.Time `json:"updatedAt"`

server/internal/service/wish.go

@@ -23,6 +23,15 @@ func NewWishService() *WishService {
 	}
 }
 
+// GetWishTrees 获取许愿树列表
+func (s *WishService) GetWishTrees() ([]*model.WishTree, error) {
+	var trees []*model.WishTree
+	if err := s.db.Where("status = 1").Order("sort ASC, id ASC").Find(&trees).Error; err != nil {
+		return nil, err
+	}
+	return trees, nil
+}
+
 // GetWishTree 获取许愿树
 func (s *WishService) GetWishTree(treeID uint) (*model.WishTree, error) {
 	var tree model.WishTree
@@ -88,6 +97,18 @@ func (s *WishService) CreateWish(wish *model.Wish) error {
 	return s.db.Create(wish).Error
 }
 
+// GetTreeWishes 获取指定树的许愿列表
+func (s *WishService) GetTreeWishes(treeID uint) ([]*model.Wish, error) {
+	var wishes []*model.Wish
+	if err := s.db.Where("tree_id = ? AND status = 1", treeID).
+		Order("position DESC, created_at DESC").
+		Limit(100).
+		Find(&wishes).Error; err != nil {
+		return nil, err
+	}
+	return wishes, nil
+}
+
 // GetWishList 获取许愿列表
 func (s *WishService) GetWishList(treeID uint, page, pageSize int) ([]*model.Wish, int64, error) {
 	var wishes []*model.Wish

server/migrations/001_init.sql

@@ -56,7 +56,9 @@ CREATE TABLE IF NOT EXISTS wish_trees (
     id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
     name VARCHAR(50) NOT NULL COMMENT '名称',
     description VARCHAR(255) DEFAULT '' COMMENT '描述',
+    type VARCHAR(20) DEFAULT 'pine' COMMENT '树类型 pine:松树 sakura:樱花 bamboo:竹子',
     max_wishes INT DEFAULT 100 COMMENT '最大许愿条数',
+    sort INT DEFAULT 0 COMMENT '排序',
     status TINYINT DEFAULT 1 COMMENT '状态',
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
@@ -94,8 +96,10 @@ CREATE TABLE IF NOT EXISTS wish_products (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='许愿商品表';
 
 -- 插入默认许愿树
-INSERT IGNORE INTO wish_trees (id, name, description, max_wishes) VALUES
-(1, '祈福许愿树', '许下美好愿望，祈福平安顺遂', 100);
+INSERT IGNORE INTO wish_trees (id, name, description, type, max_wishes, sort) VALUES
+(1, '祈福树', '许下美好愿望，祈福平安顺遂', 'pine', 100, 0),
+(2, '姻缘树', '祈求姻缘美满，爱情甜蜜', 'sakura', 50, 1),
+(3, '事业树', '祈愿事业顺利，步步高升', 'bamboo', 80, 2);
 
 -- 插入默认许愿商品
 INSERT IGNORE INTO wish_products (id, name, description, price, duration, position) VALUES