feat(expiry): 完成 #20 模块目录与健康路由

internal/expiry/handler.go

@@ -0,0 +1,28 @@
+package expiry
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// Handler 负责 HTTP 层处理。
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+// Healthz 用于 expiry 模块健康检查。
+func (h *Handler) Healthz(c *gin.Context) {
+	c.JSON(http.StatusOK, gin.H{
+		"code":    0,
+		"message": "success",
+		"data": gin.H{
+			"module": "expiry",
+			"status": "ok",
+		},
+	})
+}