feat: mac node exec policy + remote skills hot reload

apps/macos/Sources/Clawdbot/AppState.swift

@@ -170,6 +170,10 @@ final class AppState {
         didSet { self.ifNotPreview { UserDefaults.standard.set(self.canvasEnabled, forKey: canvasEnabledKey) } }
     }
 
+    var systemRunPolicy: SystemRunPolicy {
+        didSet { self.ifNotPreview { MacNodeConfigFile.setSystemRunPolicy(self.systemRunPolicy) } }
+    }
+
     /// Tracks whether the Canvas panel is currently visible (not persisted).
     var canvasPanelVisible: Bool = false
 
@@ -292,6 +296,7 @@ final class AppState {
         self.remoteProjectRoot = UserDefaults.standard.string(forKey: remoteProjectRootKey) ?? ""
         self.remoteCliPath = UserDefaults.standard.string(forKey: remoteCliPathKey) ?? ""
         self.canvasEnabled = UserDefaults.standard.object(forKey: canvasEnabledKey) as? Bool ?? true
+        self.systemRunPolicy = SystemRunPolicy.load()
         self.peekabooBridgeEnabled = UserDefaults.standard
             .object(forKey: peekabooBridgeEnabledKey) as? Bool ?? true
         if !self.isPreview {

apps/macos/Sources/Clawdbot/Constants.swift

@@ -26,6 +26,9 @@ let remoteProjectRootKey = "clawdbot.remoteProjectRoot"
 let remoteCliPathKey = "clawdbot.remoteCliPath"
 let canvasEnabledKey = "clawdbot.canvasEnabled"
 let cameraEnabledKey = "clawdbot.cameraEnabled"
+let systemRunPolicyKey = "clawdbot.systemRunPolicy"
+let systemRunAllowlistKey = "clawdbot.systemRunAllowlist"
+let systemRunEnabledKey = "clawdbot.systemRunEnabled"
 let locationModeKey = "clawdbot.locationMode"
 let locationPreciseKey = "clawdbot.locationPreciseEnabled"
 let peekabooBridgeEnabledKey = "clawdbot.peekabooBridgeEnabled"

apps/macos/Sources/Clawdbot/GeneralSettings.swift

@@ -83,6 +83,25 @@ struct GeneralSettings: View {
                         subtitle: "Allow the agent to capture a photo or short video via the built-in camera.",
                         binding: self.$cameraEnabled)
 
+                    VStack(alignment: .leading, spacing: 6) {
+                        Text("Node Run Commands")
+                            .font(.body)
+
+                        Picker("", selection: self.$state.systemRunPolicy) {
+                            ForEach(SystemRunPolicy.allCases) { policy in
+                                Text(policy.title).tag(policy)
+                            }
+                        }
+                        .pickerStyle(.segmented)
+
+                        Text("""
+                        Controls remote command execution on this Mac when it is paired as a node. "Always Ask" prompts on each command; "Always Allow" runs without prompts; "Never" disables `system.run`.
+                        """)
+                        .font(.footnote)
+                        .foregroundStyle(.tertiary)
+                        .fixedSize(horizontal: false, vertical: true)
+                    }
+
                     VStack(alignment: .leading, spacing: 6) {
                         Text("Location Access")
                             .font(.body)

apps/macos/Sources/Clawdbot/MacNodeConfigFile.swift

@@ -0,0 +1,80 @@
+import Foundation
+import OSLog
+
+enum MacNodeConfigFile {
+    private static let logger = Logger(subsystem: "com.clawdbot", category: "mac-node-config")
+
+    static func url() -> URL {
+        ClawdbotPaths.stateDirURL.appendingPathComponent("macos-node.json")
+    }
+
+    static func loadDict() -> [String: Any] {
+        let url = self.url()
+        guard FileManager.default.fileExists(atPath: url.path) else { return [:] }
+        do {
+            let data = try Data(contentsOf: url)
+            guard let root = try JSONSerialization.jsonObject(with: data) as? [String: Any] else {
+                self.logger.warning("mac node config JSON root invalid")
+                return [:]
+            }
+            return root
+        } catch {
+            self.logger.warning("mac node config read failed: \(error.localizedDescription, privacy: .public)")
+            return [:]
+        }
+    }
+
+    static func saveDict(_ dict: [String: Any]) {
+        do {
+            let data = try JSONSerialization.data(withJSONObject: dict, options: [.prettyPrinted, .sortedKeys])
+            let url = self.url()
+            try FileManager.default.createDirectory(
+                at: url.deletingLastPathComponent(),
+                withIntermediateDirectories: true)
+            try data.write(to: url, options: [.atomic])
+        } catch {
+            self.logger.error("mac node config save failed: \(error.localizedDescription, privacy: .public)")
+        }
+    }
+
+    static func systemRunPolicy() -> SystemRunPolicy? {
+        let root = self.loadDict()
+        let systemRun = root["systemRun"] as? [String: Any]
+        let raw = systemRun?["policy"] as? String
+        guard let raw, let policy = SystemRunPolicy(rawValue: raw) else { return nil }
+        return policy
+    }
+
+    static func setSystemRunPolicy(_ policy: SystemRunPolicy) {
+        var root = self.loadDict()
+        var systemRun = root["systemRun"] as? [String: Any] ?? [:]
+        systemRun["policy"] = policy.rawValue
+        root["systemRun"] = systemRun
+        self.saveDict(root)
+    }
+
+    static func systemRunAllowlist() -> [String]? {
+        let root = self.loadDict()
+        let systemRun = root["systemRun"] as? [String: Any]
+        return systemRun?["allowlist"] as? [String]
+    }
+
+    static func setSystemRunAllowlist(_ allowlist: [String]) {
+        let cleaned = allowlist
+            .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
+            .filter { !$0.isEmpty }
+        var root = self.loadDict()
+        var systemRun = root["systemRun"] as? [String: Any] ?? [:]
+        if cleaned.isEmpty {
+            systemRun.removeValue(forKey: "allowlist")
+        } else {
+            systemRun["allowlist"] = cleaned
+        }
+        if systemRun.isEmpty {
+            root.removeValue(forKey: "systemRun")
+        } else {
+            root["systemRun"] = systemRun
+        }
+        self.saveDict(root)
+    }
+}

apps/macos/Sources/Clawdbot/MenuContentView.swift

@@ -31,6 +31,12 @@ struct MenuContent: View {
         self._updateStatus = Bindable(wrappedValue: updater?.updateStatus ?? UpdateStatus.disabled)
     }
 
+    private var systemRunPolicyBinding: Binding<SystemRunPolicy> {
+        Binding(
+            get: { self.state.systemRunPolicy },
+            set: { self.state.systemRunPolicy = $0 })
+    }
+
     var body: some View {
         VStack(alignment: .leading, spacing: 8) {
             Toggle(isOn: self.activeBinding) {
@@ -68,6 +74,13 @@ struct MenuContent: View {
             Toggle(isOn: self.$cameraEnabled) {
                 Label("Allow Camera", systemImage: "camera")
             }
+            Picker(selection: self.systemRunPolicyBinding) {
+                ForEach(SystemRunPolicy.allCases) { policy in
+                    Text(policy.title).tag(policy)
+                }
+            } label: {
+                Label("Node Run Commands", systemImage: "terminal")
+            }
             Toggle(isOn: Binding(get: { self.state.canvasEnabled }, set: { self.state.canvasEnabled = $0 })) {
                 Label("Allow Canvas", systemImage: "rectangle.and.pencil.and.ellipsis")
             }

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

@@ -37,6 +37,7 @@ final class MacNodeModeCoordinator {
     private func run() async {
         var retryDelay: UInt64 = 1_000_000_000
         var lastCameraEnabled: Bool?
+        var lastSystemRunPolicy: SystemRunPolicy?
         let defaults = UserDefaults.standard
         while !Task.isCancelled {
             if await MainActor.run(body: { AppStateStore.shared.isPaused }) {
@@ -53,6 +54,15 @@ final class MacNodeModeCoordinator {
                 try? await Task.sleep(nanoseconds: 200_000_000)
             }
 
+            let systemRunPolicy = SystemRunPolicy.load()
+            if lastSystemRunPolicy == nil {
+                lastSystemRunPolicy = systemRunPolicy
+            } else if lastSystemRunPolicy != systemRunPolicy {
+                lastSystemRunPolicy = systemRunPolicy
+                await self.session.disconnect()
+                try? await Task.sleep(nanoseconds: 200_000_000)
+            }
+
             guard let endpoint = await self.resolveBridgeEndpoint(timeoutSeconds: 5) else {
                 try? await Task.sleep(nanoseconds: min(retryDelay, 5_000_000_000))
                 retryDelay = min(retryDelay * 2, 10_000_000_000)
@@ -143,10 +153,13 @@ final class MacNodeModeCoordinator {
             ClawdbotCanvasA2UICommand.pushJSONL.rawValue,
             ClawdbotCanvasA2UICommand.reset.rawValue,
             MacNodeScreenCommand.record.rawValue,
-            ClawdbotSystemCommand.run.rawValue,
             ClawdbotSystemCommand.notify.rawValue,
         ]
 
+        if SystemRunPolicy.load() != .never {
+            commands.append(ClawdbotSystemCommand.run.rawValue)
+        }
+
         let capsSet = Set(caps)
         if capsSet.contains(ClawdbotCapability.camera.rawValue) {
             commands.append(ClawdbotCameraCommand.list.rawValue)

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

@@ -426,6 +426,44 @@ actor MacNodeRuntime {
             return Self.errorResponse(req, code: .invalidRequest, message: "INVALID_REQUEST: command required")
         }
 
+        let wasAllowlisted = SystemRunAllowlist.contains(command)
+        switch Self.systemRunPolicy() {
+        case .never:
+            return Self.errorResponse(
+                req,
+                code: .unavailable,
+                message: "SYSTEM_RUN_DISABLED: policy=never")
+        case .always:
+            break
+        case .ask:
+            if !wasAllowlisted {
+                let services = await self.mainActorServices()
+                let decision = await services.confirmSystemRun(
+                    command: SystemRunAllowlist.displayString(for: command),
+                    cwd: params.cwd)
+                switch decision {
+                case .allowOnce:
+                    break
+                case .allowAlways:
+                    SystemRunAllowlist.add(command)
+                case .deny:
+                    return Self.errorResponse(
+                        req,
+                        code: .unavailable,
+                        message: "SYSTEM_RUN_DENIED: user denied")
+                }
+            }
+        }
+
+        var env = params.env
+        if wasAllowlisted, let overrides = env {
+            var merged = ProcessInfo.processInfo.environment
+            for (key, value) in overrides where key != "PATH" {
+                merged[key] = value
+            }
+            env = merged
+        }
+
         if params.needsScreenRecording == true {
             let authorized = await PermissionManager
                 .status([.screenRecording])[.screenRecording] ?? false
@@ -441,7 +479,7 @@ actor MacNodeRuntime {
         let result = await ShellExecutor.runDetailed(
             command: command,
             cwd: params.cwd,
-            env: params.env,
+            env: env,
             timeout: timeoutSec)
 
         struct RunPayload: Encodable {
@@ -529,6 +567,10 @@ actor MacNodeRuntime {
         UserDefaults.standard.object(forKey: cameraEnabledKey) as? Bool ?? false
     }
 
+    private nonisolated static func systemRunPolicy() -> SystemRunPolicy {
+        SystemRunPolicy.load()
+    }
+
     private nonisolated static func locationMode() -> ClawdbotLocationMode {
         let raw = UserDefaults.standard.string(forKey: locationModeKey) ?? "off"
         return ClawdbotLocationMode(rawValue: raw) ?? .off

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

@@ -1,7 +1,14 @@
+import AppKit
 import ClawdbotKit
 import CoreLocation
 import Foundation
 
+enum SystemRunDecision: Sendable {
+    case allowOnce
+    case allowAlways
+    case deny
+}
+
 @MainActor
 protocol MacNodeRuntimeMainActorServices: Sendable {
     func recordScreen(
@@ -17,6 +24,8 @@ protocol MacNodeRuntimeMainActorServices: Sendable {
         desiredAccuracy: ClawdbotLocationAccuracy,
         maxAgeMs: Int?,
         timeoutMs: Int?) async throws -> CLLocation
+
+    func confirmSystemRun(command: String, cwd: String?) async -> SystemRunDecision
 }
 
 @MainActor
@@ -57,4 +66,31 @@ final class LiveMacNodeRuntimeMainActorServices: MacNodeRuntimeMainActorServices
             maxAgeMs: maxAgeMs,
             timeoutMs: timeoutMs)
     }
+
+    func confirmSystemRun(command: String, cwd: String?) async -> SystemRunDecision {
+        let alert = NSAlert()
+        alert.alertStyle = .warning
+        alert.messageText = "Allow this command?"
+
+        var details = "Clawdbot wants to run:\n\n\(command)"
+        let trimmedCwd = cwd?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        if !trimmedCwd.isEmpty {
+            details += "\n\nWorking directory:\n\(trimmedCwd)"
+        }
+        details += "\n\nThis runs on this Mac via node mode."
+        alert.informativeText = details
+
+        alert.addButton(withTitle: "Allow Once")
+        alert.addButton(withTitle: "Always Allow")
+        alert.addButton(withTitle: "Don't Allow")
+
+        switch alert.runModal() {
+        case .alertFirstButtonReturn:
+            return .allowOnce
+        case .alertSecondButtonReturn:
+            return .allowAlways
+        default:
+            return .deny
+        }
+    }
 }

apps/macos/Sources/Clawdbot/SystemRunPolicy.swift

@@ -0,0 +1,89 @@
+import Foundation
+
+enum SystemRunPolicy: String, CaseIterable, Identifiable {
+    case never
+    case ask
+    case always
+
+    var id: String { self.rawValue }
+
+    var title: String {
+        switch self {
+        case .never:
+            return "Never"
+        case .ask:
+            return "Always Ask"
+        case .always:
+            return "Always Allow"
+        }
+    }
+
+    static func load(from defaults: UserDefaults = .standard) -> SystemRunPolicy {
+        if let policy = MacNodeConfigFile.systemRunPolicy() {
+            return policy
+        }
+        if let raw = defaults.string(forKey: systemRunPolicyKey),
+           let policy = SystemRunPolicy(rawValue: raw)
+        {
+            MacNodeConfigFile.setSystemRunPolicy(policy)
+            return policy
+        }
+        if let legacy = defaults.object(forKey: systemRunEnabledKey) as? Bool {
+            let policy: SystemRunPolicy = legacy ? .ask : .never
+            MacNodeConfigFile.setSystemRunPolicy(policy)
+            return policy
+        }
+        let fallback: SystemRunPolicy = .ask
+        MacNodeConfigFile.setSystemRunPolicy(fallback)
+        return fallback
+    }
+}
+
+enum SystemRunAllowlist {
+    static func key(for argv: [String]) -> String {
+        let trimmed = argv.map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
+        guard !trimmed.isEmpty else { return "" }
+        if let data = try? JSONEncoder().encode(trimmed),
+           let json = String(data: data, encoding: .utf8)
+        {
+            return json
+        }
+        return trimmed.joined(separator: " ")
+    }
+
+    static func displayString(for argv: [String]) -> String {
+        argv.map { arg in
+            let trimmed = arg.trimmingCharacters(in: .whitespacesAndNewlines)
+            guard !trimmed.isEmpty else { return "\"\"" }
+            let needsQuotes = trimmed.contains { $0.isWhitespace || $0 == "\"" }
+            if !needsQuotes { return trimmed }
+            let escaped = trimmed.replacingOccurrences(of: "\"", with: "\\\"")
+            return "\"\(escaped)\""
+        }.joined(separator: " ")
+    }
+
+    static func load(from defaults: UserDefaults = .standard) -> Set<String> {
+        if let allowlist = MacNodeConfigFile.systemRunAllowlist() {
+            return Set(allowlist)
+        }
+        if let legacy = defaults.stringArray(forKey: systemRunAllowlistKey), !legacy.isEmpty {
+            MacNodeConfigFile.setSystemRunAllowlist(legacy)
+            return Set(legacy)
+        }
+        return []
+    }
+
+    static func contains(_ argv: [String], defaults: UserDefaults = .standard) -> Bool {
+        let key = key(for: argv)
+        return load(from: defaults).contains(key)
+    }
+
+    static func add(_ argv: [String], defaults: UserDefaults = .standard) {
+        let key = key(for: argv)
+        guard !key.isEmpty else { return }
+        var allowlist = load(from: defaults)
+        if allowlist.insert(key).inserted {
+            MacNodeConfigFile.setSystemRunAllowlist(Array(allowlist).sorted())
+        }
+    }
+}