feat: add tiered channel agent and mobile Codex bridge

product-source/hololake-native-desktop/mobile/ios/Sources/HoloLakeModels.swift

@@ -45,6 +45,10 @@ struct StoredSession: Codable, Equatable {
     let desktopName: String
     var counter: UInt64
     var cursor: UInt64
+    var agentConversationID: String?
+    var pendingAgentRequestID: String?
+    var pendingAgentContent: String?
+    var pendingAgentDestination: String?
 
     var baseURL: URL {
         URL(string: "http://\(host):\(port)")!
@@ -71,6 +75,7 @@ struct SyncRequest: Codable {
     let counter: UInt64
     let afterCursor: UInt64?
     let capture: MobileCaptureInput?
+    let agentMessage: MobileAgentMessageInput?
 }
 
 struct MobileCaptureInput: Codable {
@@ -79,6 +84,14 @@ struct MobileCaptureInput: Codable {
     let requestID: String
 }
 
+struct MobileAgentMessageInput: Codable {
+    let destination: String
+    let codexThreadID: String?
+    let conversationID: String?
+    let content: String
+    let requestID: String
+}
+
 struct MobileSyncSnapshot: Codable {
     let schema: String
     let state: String
@@ -90,9 +103,43 @@ struct MobileSyncSnapshot: Codable {
     let webNovel: MobileWebNovelProjection
     let education: MobileEducationProjection
     let recentCaptures: [MobileCaptureProjection]
+    let agentExchange: MobileAgentExchangeProjection?
+    let recentAgentExchanges: [MobileAgentExchangeProjection]
+    let codexTarget: MobileCodexTargetProjection?
     let boundary: MobileBoundaryProjection
 }
 
+struct MobileCodexTargetProjection: Codable, Equatable {
+    let threadID: String
+    let name: String
+    let preview: String
+    let cwd: String
+    let updatedAtUnixSeconds: UInt64
+    let status: String
+}
+
+struct MobileAgentExchangeProjection: Codable, Equatable {
+    let requestID: String
+    let conversationID: String
+    let state: String
+    let stateVersion: UInt64
+    let reply: String
+    let responderNumber: String
+    let responderName: String
+    let responderKind: String
+    let personaBindingState: String
+    let toolReceipts: [MobileAgentToolReceipt]
+}
+
+struct MobileAgentToolReceipt: Codable, Equatable, Identifiable {
+    let toolNumber: String
+    let toolName: String
+    let targetPath: String
+    let contentSha256: String
+    let summary: String
+    var id: String { "\(toolNumber):\(contentSha256)" }
+}
+
 struct MobileChannelProjection: Codable {
     let home: String
     let growthEventCount: UInt64
@@ -145,6 +192,7 @@ enum HoloLakeMobileError: LocalizedError {
     case rejected(String)
     case missingNonce
     case missingSession
+    case pendingAgentRequest
     case keychain(OSStatus)
 
     var errorDescription: String? {
@@ -154,6 +202,7 @@ enum HoloLakeMobileError: LocalizedError {
         case .rejected(let code): return "电脑端拒绝了本次请求：\(code)"
         case .missingNonce: return "加密响应缺少一次性随机数。"
         case .missingSession: return "请先与电脑端 HoloLake 配对。"
+        case .pendingAgentRequest: return "上一条消息仍在等待电脑端回执，请先重试该消息。"
         case .keychain(let status): return "本机钥匙串写入失败（\(status)）。"
         }
     }