feature: Schema, Migrations, Core CRUD, and Redis Threshold Cache

2026-06-16 17:59:16 +08:00
commit 882d4af3e6
63 changed files with 3923 additions and 0 deletions
@@ -0,0 +1,18 @@
+public enum AlertSeverity { Warning, Critical }
+
+public static class AlertSeverityExtensions
+{
+    public static string ToDbString(this AlertSeverity s) => s switch
+    {
+        AlertSeverity.Warning  => "WARNING",
+        AlertSeverity.Critical => "CRITICAL",
+        _ => throw new ArgumentOutOfRangeException(nameof(s))
+    };
+
+    public static AlertSeverity FromDbString(string v) => v switch
+    {
+        "WARNING"  => AlertSeverity.Warning,
+        "CRITICAL" => AlertSeverity.Critical,
+        _ => throw new ArgumentOutOfRangeException(nameof(v), $"Unknown alert severity: '{v}'")
+    };
+}