Add ez-assistant and kerberos service folders

docker-compose/ez-assistant/apps/ios/Sources/SessionKey.swift

@@ -0,0 +1,15 @@
+import Foundation
+
+enum SessionKey {
+    static func normalizeMainKey(_ raw: String?) -> String {
+        let trimmed = (raw ?? "").trimmingCharacters(in: .whitespacesAndNewlines)
+        return trimmed.isEmpty ? "main" : trimmed
+    }
+
+    static func isCanonicalMainSessionKey(_ value: String?) -> Bool {
+        let trimmed = (value ?? "").trimmingCharacters(in: .whitespacesAndNewlines)
+        if trimmed.isEmpty { return false }
+        if trimmed == "global" { return true }
+        return trimmed.hasPrefix("agent:")
+    }
+}