refactor: consolidate mac debug CLI

apps/macos/Sources/ClawdbotMacCLI/GatewayConfig.swift

@@ -0,0 +1,60 @@
+import Foundation
+
+struct GatewayConfig {
+    var mode: String?
+    var bind: String?
+    var port: Int?
+    var remoteUrl: String?
+    var token: String?
+    var password: String?
+    var remoteToken: String?
+    var remotePassword: String?
+}
+
+struct GatewayEndpoint {
+    let url: URL
+    let token: String?
+    let password: String?
+    let mode: String
+}
+
+func loadGatewayConfig() -> GatewayConfig {
+    let url = FileManager().homeDirectoryForCurrentUser
+        .appendingPathComponent(".clawdbot")
+        .appendingPathComponent("clawdbot.json")
+    guard let data = try? Data(contentsOf: url) else { return GatewayConfig() }
+    guard let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any] else {
+        return GatewayConfig()
+    }
+
+    var cfg = GatewayConfig()
+    if let gateway = json["gateway"] as? [String: Any] {
+        cfg.mode = gateway["mode"] as? String
+        cfg.bind = gateway["bind"] as? String
+        cfg.port = gateway["port"] as? Int ?? parseInt(gateway["port"])
+
+        if let auth = gateway["auth"] as? [String: Any] {
+            cfg.token = auth["token"] as? String
+            cfg.password = auth["password"] as? String
+        }
+        if let remote = gateway["remote"] as? [String: Any] {
+            cfg.remoteUrl = remote["url"] as? String
+            cfg.remoteToken = remote["token"] as? String
+            cfg.remotePassword = remote["password"] as? String
+        }
+    }
+    return cfg
+}
+
+func parseInt(_ value: Any?) -> Int? {
+    switch value {
+    case let number as Int:
+        number
+    case let number as Double:
+        Int(number)
+    case let raw as String:
+        Int(raw.trimmingCharacters(in: .whitespacesAndNewlines))
+    default:
+        nil
+    }
+}