scaffolding hermes flow and audit logging

mobile/ios-app/Core/Networking/APIClient.swift

@@ -42,6 +42,10 @@ struct HermesAPIClient {
         try await send(path: "api/v1/session/start", method: "POST", body: payload)
     }
 
+    func health() async throws -> HermesHealthResponse {
+        try await send(path: "health")
+    }
+
     func endSession() async throws -> HermesSessionResponse {
         try await send(path: "api/v1/session/end", method: "POST")
     }

mobile/ios-app/Core/Networking/APIModels.swift

@@ -23,6 +23,17 @@ struct HermesSessionResponse: Codable {
     var devicePlatform: String
 }
 
+struct HermesHealthResponse: Codable {
+    var status: String
+    var serviceName: String
+    var environment: String
+    var version: String
+    var uptimeMs: Int
+    var serverTime: Date
+    var databaseReady: Bool
+    var redisReady: Bool
+}
+
 struct HermesEvent: Codable {
     var id: UUID
     var sportType: String
@@ -94,6 +105,22 @@ struct HermesEventManifest: Codable {
     var markets: [HermesMarket]
 }
 
+struct HermesRound: Codable {
+    var event: HermesEvent
+    var media: HermesEventMedia
+    var market: HermesMarket
+    var oddsVersion: HermesOddsVersion
+    var settlement: HermesSettlement
+}
+
+struct HermesRound: Codable {
+    var event: HermesEvent
+    var media: HermesEventMedia
+    var market: HermesMarket
+    var oddsVersion: HermesOddsVersion
+    var settlement: HermesSettlement
+}
+
 struct HermesBetIntentRequest: Codable {
     var sessionId: UUID
     var eventId: UUID