feat: healthcheck backend and fix data types

also small various features

internal/api/server.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"fmt"
+	"net/http"
 
 	"dip-ids/internal/analyzer"
 	"dip-ids/internal/api/handlers"
@@ -27,7 +28,7 @@ func New(
 	r.Use(gin.Recovery())
 	r.Use(corsMiddleware())
 	r.Use(gin.LoggerWithConfig(gin.LoggerConfig{
-		SkipPaths: []string{"/api/capture/status"},
+		SkipPaths: []string{"/api/capture/status", "/api/health"},
 	}))
 
 	alertsH := handlers.NewAlertsHandler(db)
@@ -37,6 +38,10 @@ func New(
 
 	api := r.Group("/api")
 
+	api.GET("/health", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	})
+
 	api.GET("/alerts", alertsH.GetAlerts)
 	api.DELETE("/alerts", alertsH.ClearAlerts)
 	api.DELETE("/alerts/:id", alertsH.DeleteAlert)