chore: 初始化仓库基线（AGENTS.md、git 规范、敏感文件排除）

server-go/internal/handler/alarm.go

@@ -0,0 +1,85 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"silk-server-go/internal/middleware"
+	"silk-server-go/internal/model"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+// RegisterAlarmRoutes 注册告警路由
+func RegisterAlarmRoutes(rg *gin.RouterGroup, db *gorm.DB) {
+	rg.GET("/alarms", middleware.RequirePermission(db, "alarm:read"), listAlarms(db))
+	rg.GET("/alarms/:id", middleware.RequirePermission(db, "alarm:read"), getAlarm(db))
+	rg.POST("/alarms/:id/ack", middleware.RequirePermission(db, "alarm:ack"), ackAlarm(db))
+	rg.POST("/alarms/:id/resolve", middleware.RequirePermission(db, "alarm:ack"), resolveAlarm(db))
+}
+
+// listAlarms 告警列表（query: openOnly，默认上限500，按 triggeredAt DESC）
+func listAlarms(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		limit := 500
+		q := db.Model(&model.Alarm{}).Order("triggered_at DESC").Limit(limit)
+		if c.Query("openOnly") == "true" {
+			q = q.Where("open = true")
+		}
+		var alarms []model.Alarm
+		q.Find(&alarms)
+		c.JSON(http.StatusOK, alarms)
+	}
+}
+
+// getAlarm 告警详情
+func getAlarm(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var alarm model.Alarm
+		if db.Where("id = ?", id).First(&alarm).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "alarm not found"})
+			return
+		}
+		c.JSON(http.StatusOK, alarm)
+	}
+}
+
+// ackAlarm 确认告警（设置 acknowledged=true, acknowledgedAt=now）
+func ackAlarm(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var alarm model.Alarm
+		if db.Where("id = ?", id).First(&alarm).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "alarm not found"})
+			return
+		}
+		now := time.Now()
+		db.Model(&model.Alarm{}).Where("id = ?", id).Updates(map[string]interface{}{
+			"acknowledged":    true,
+			"acknowledged_at": now,
+		})
+		db.Where("id = ?", id).First(&alarm)
+		c.JSON(http.StatusOK, alarm)
+	}
+}
+
+// resolveAlarm 解除告警（设置 open=false, resolvedAt=now）
+func resolveAlarm(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		id := c.Param("id")
+		var alarm model.Alarm
+		if db.Where("id = ?", id).First(&alarm).Error != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "alarm not found"})
+			return
+		}
+		now := time.Now()
+		db.Model(&model.Alarm{}).Where("id = ?", id).Updates(map[string]interface{}{
+			"open":        false,
+			"resolved_at": now,
+		})
+		db.Where("id = ?", id).First(&alarm)
+		c.JSON(http.StatusOK, alarm)
+	}
+}