style: resolve swift lint warnings

apps/macos/Sources/Clawdbot/ExecApprovals.swift

@@ -86,9 +86,9 @@ enum ExecApprovalDecision: String, Codable, Sendable {
 
 struct ExecAllowlistEntry: Codable, Hashable {
     var pattern: String
-    var lastUsedAt: Double? = nil
-    var lastUsedCommand: String? = nil
-    var lastResolvedPath: String? = nil
+    var lastUsedAt: Double?
+    var lastUsedCommand: String?
+    var lastResolvedPath: String?
 }
 
 struct ExecApprovalsDefaults: Codable {

apps/macos/Sources/Clawdbot/ExecApprovalsSocket.swift

@@ -87,16 +87,19 @@ enum ExecApprovalsSocketClient {
         let trimmedToken = token.trimmingCharacters(in: .whitespacesAndNewlines)
         guard !trimmedPath.isEmpty, !trimmedToken.isEmpty else { return nil }
         do {
-            return try await AsyncTimeout.withTimeoutMs(timeoutMs: timeoutMs, onTimeout: {
-                TimeoutError(message: "exec approvals socket timeout")
-            }, operation: {
-                try await Task.detached {
-                    try self.requestDecisionSync(
-                        socketPath: trimmedPath,
-                        token: trimmedToken,
-                        request: request)
-                }.value
-            })
+            return try await AsyncTimeout.withTimeoutMs(
+                timeoutMs: timeoutMs,
+                onTimeout: {
+                    TimeoutError(message: "exec approvals socket timeout")
+                },
+                operation: {
+                    try await Task.detached {
+                        try self.requestDecisionSync(
+                            socketPath: trimmedPath,
+                            token: trimmedToken,
+                            request: request)
+                    }.value
+                })
         } catch {
             return nil
         }

apps/macos/Sources/Clawdbot/NodeMode/MacNodeRuntime.swift

@@ -733,7 +733,9 @@ actor MacNodeRuntime {
             return BridgeInvokeResponse(id: req.id, ok: true)
         }
     }
+}
 
+extension MacNodeRuntime {
     private static func decodeParams<T: Decodable>(_ type: T.Type, from json: String?) throws -> T {
         guard let json, let data = json.data(using: .utf8) else {
             throw NSError(domain: "Gateway", code: 20, userInfo: [

apps/macos/Sources/Clawdbot/SystemRunSettingsView.swift

@@ -80,10 +80,7 @@ struct SystemRunSettingsView: View {
             .labelsHidden()
             .pickerStyle(.menu)
 
-            Text(self.model.isDefaultsScope
-                ? "Defaults apply when an agent has no overrides. Ask controls prompt behavior; fallback is used when no companion UI is reachable."
-                :
-                "Security controls whether system.run can execute on this Mac when paired as a node. Ask controls prompt behavior; fallback is used when no companion UI is reachable.")
+            Text(self.scopeMessage)
                 .font(.footnote)
                 .foregroundStyle(.tertiary)
                 .fixedSize(horizontal: false, vertical: true)
@@ -138,6 +135,15 @@ struct SystemRunSettingsView: View {
             }
         }
     }
+
+    private var scopeMessage: String {
+        if self.model.isDefaultsScope {
+            return "Defaults apply when an agent has no overrides. " +
+                "Ask controls prompt behavior; fallback is used when no companion UI is reachable."
+        }
+        return "Security controls whether system.run can execute on this Mac when paired as a node. " +
+            "Ask controls prompt behavior; fallback is used when no companion UI is reachable."
+    }
 }
 
 private enum ExecApprovalsSettingsTab: String, CaseIterable, Identifiable {