feat: 戒烟成就、梦想图标预设、打卡统计与依赖注入调整

- 成就系统、连续打卡天数计算、管理后台成就 CRUD
- 梦想目标图标预设 DreamPreset 与用户端 dream-presets 接口
- 管理后台梦想图标 CRUD；戒烟打卡 summary 修正
- 忽略根目录编译产物 /api

Made-with: Cursor

internal/smoke/handler/smoke_achievement_handler.go

@@ -0,0 +1,69 @@
+package handler
+
+import (
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"wx_service/internal/achievement"
+	"wx_service/internal/middleware"
+	"wx_service/internal/model"
+)
+
+func (h *SmokeHandler) ListAchievementThemes(c *gin.Context) {
+	themes, err := h.achievementService.ListActiveThemes(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取成就主题失败"))
+		return
+	}
+	c.JSON(http.StatusOK, model.Success(gin.H{"themes": themes}))
+}
+
+func (h *SmokeHandler) GetAchievement(c *gin.Context) {
+	user := middleware.MustCurrentUser(c)
+	ctx := c.Request.Context()
+	uid := int(user.ID)
+	now := time.Now()
+
+	profile, err := h.smokeProfileService.Get(ctx, uid)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取用户信息失败"))
+		return
+	}
+	if profile == nil || profile.AchievementThemeID == nil {
+		c.JSON(http.StatusOK, model.Success(gin.H{"achievement": nil}))
+		return
+	}
+
+	var days int
+	if profile.Mode == "quit" {
+		homeData, err := h.quitCheckinService.Home(ctx, uid, now)
+		if err != nil {
+			log.Printf("achievement: quitcheckin home err uid=%d: %v", uid, err)
+			days = 0
+		} else {
+			days = homeData.Summary.CurrentStreakDays
+		}
+	} else {
+		streakDays, err := h.smokeLogService.GetStreakDays(ctx, uid, now)
+		if err != nil {
+			log.Printf("achievement: smoke streak err uid=%d: %v", uid, err)
+			days = 0
+		}
+		days = streakDays
+	}
+
+	ach, err := h.achievementService.GetUserAchievement(ctx, *profile.AchievementThemeID, days)
+	if err != nil {
+		if err == achievement.ErrThemeNotFound {
+			c.JSON(http.StatusOK, model.Success(gin.H{"achievement": nil}))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取成就信息失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.Success(gin.H{"achievement": ach}))
+}