users 정보 페이지 구현

backend/internal/handler/audit_handler.go

@@ -42,6 +42,12 @@ func (h *AuditHandler) CreateLog(c *fiber.Ctx) error {
 		req.EventID = ensureRequestID(c)
 	}
 
+	if h.repo == nil {
+		return c.Status(fiber.StatusServiceUnavailable).JSON(fiber.Map{
+			"error": "Audit service unavailable",
+		})
+	}
+
 	if err := h.repo.Create(&req); err != nil {
 		// Log internal error but don't expose details
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
@@ -65,6 +71,12 @@ func (h *AuditHandler) ListLogs(c *fiber.Ctx) error {
 		})
 	}
 
+	if h.repo == nil {
+		return c.Status(fiber.StatusServiceUnavailable).JSON(fiber.Map{
+			"error": "Audit service unavailable",
+		})
+	}
+
 	logs, err := h.repo.FindPage(c.Context(), limit+1, cursor)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{