fix(macos): check config file mode for gateway token/password resolution (#1022)

* fix: honor config gateway mode for credentials

* chore: oxfmt doctor platform notes

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

apps/macos/Sources/Clawdbot/ConnectionModeResolver.swift

@@ -0,0 +1,50 @@
+import Foundation
+
+enum EffectiveConnectionModeSource: Sendable, Equatable {
+    case configMode
+    case configRemoteURL
+    case userDefaults
+    case onboarding
+}
+
+struct EffectiveConnectionMode: Sendable, Equatable {
+    let mode: AppState.ConnectionMode
+    let source: EffectiveConnectionModeSource
+}
+
+enum ConnectionModeResolver {
+    static func resolve(
+        root: [String: Any],
+        defaults: UserDefaults = .standard) -> EffectiveConnectionMode
+    {
+        let gateway = root["gateway"] as? [String: Any]
+        let configModeRaw = (gateway?["mode"] as? String) ?? ""
+        let configMode = configModeRaw
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+            .lowercased()
+
+        switch configMode {
+        case "local":
+            return EffectiveConnectionMode(mode: .local, source: .configMode)
+        case "remote":
+            return EffectiveConnectionMode(mode: .remote, source: .configMode)
+        default:
+            break
+        }
+
+        let remoteURLRaw = ((gateway?["remote"] as? [String: Any])?["url"] as? String) ?? ""
+        let remoteURL = remoteURLRaw.trimmingCharacters(in: .whitespacesAndNewlines)
+        if !remoteURL.isEmpty {
+            return EffectiveConnectionMode(mode: .remote, source: .configRemoteURL)
+        }
+
+        if let storedModeRaw = defaults.string(forKey: connectionModeKey) {
+            let storedMode = AppState.ConnectionMode(rawValue: storedModeRaw) ?? .local
+            return EffectiveConnectionMode(mode: storedMode, source: .userDefaults)
+        }
+
+        let seen = defaults.bool(forKey: "clawdbot.onboardingSeen")
+        return EffectiveConnectionMode(mode: seen ? .local : .unconfigured, source: .onboarding)
+    }
+}
+