feat: planSetup — guided-setup plan preview over the hub connection

Wraps the new HubAdmin.PlanSetup RPC (pure plan assembly, no state
change). Regenerated stubs from the updated proto.

Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>

lib/src/generated/chain/v1/hub.pbgrpc.dart

@@ -597,6 +597,21 @@ class HubAdminClient extends $grpc.Client {
     return $createUnaryCall(_$authStatus, request, options: options);
   }
 
+  /// Assemble the guided-setup plan for the given answers — a pure
+  /// computation (chain_core::guided_setup::assemble), no state
+  /// change, nothing written. Lets a GUI render the setup preview
+  /// over its existing hub connection instead of spawning the CLI:
+  /// on macOS that subprocess can be the app's first file-system
+  /// touch and trigger a permission prompt BEFORE the operator has
+  /// seen what would be set up — the wrong order for trust. Apply
+  /// remains a deliberate separate step.
+  $grpc.ResponseFuture<$0.PlanSetupResponse> planSetup(
+    $0.PlanSetupRequest request, {
+    $grpc.CallOptions? options,
+  }) {
+    return $createUnaryCall(_$planSetup, request, options: options);
+  }
+
   /// List host services declared in the operator config. Each
   /// entry carries name + endpoint; reachability is operator-side
   /// (on-demand `chain service status` or Studio probe).
@@ -997,6 +1012,11 @@ class HubAdminClient extends $grpc.Client {
           '/chain.v1.HubAdmin/AuthStatus',
           ($1.Empty value) => value.writeToBuffer(),
           $0.AuthStatusResponse.fromBuffer);
+  static final _$planSetup =
+      $grpc.ClientMethod<$0.PlanSetupRequest, $0.PlanSetupResponse>(
+          '/chain.v1.HubAdmin/PlanSetup',
+          ($0.PlanSetupRequest value) => value.writeToBuffer(),
+          $0.PlanSetupResponse.fromBuffer);
   static final _$listServices = $grpc.ClientMethod<$1.Empty, $0.ServiceList>(
       '/chain.v1.HubAdmin/ListServices',
       ($1.Empty value) => value.writeToBuffer(),
@@ -1359,6 +1379,13 @@ abstract class HubAdminServiceBase extends $grpc.Service {
         false,
         ($core.List<$core.int> value) => $1.Empty.fromBuffer(value),
         ($0.AuthStatusResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$0.PlanSetupRequest, $0.PlanSetupResponse>(
+        'PlanSetup',
+        planSetup_Pre,
+        false,
+        false,
+        ($core.List<$core.int> value) => $0.PlanSetupRequest.fromBuffer(value),
+        ($0.PlanSetupResponse value) => value.writeToBuffer()));
     $addMethod($grpc.ServiceMethod<$1.Empty, $0.ServiceList>(
         'ListServices',
         listServices_Pre,
@@ -1799,6 +1826,14 @@ abstract class HubAdminServiceBase extends $grpc.Service {
   $async.Future<$0.AuthStatusResponse> authStatus(
       $grpc.ServiceCall call, $1.Empty request);
 
+  $async.Future<$0.PlanSetupResponse> planSetup_Pre($grpc.ServiceCall $call,
+      $async.Future<$0.PlanSetupRequest> $request) async {
+    return planSetup($call, await $request);
+  }
+
+  $async.Future<$0.PlanSetupResponse> planSetup(
+      $grpc.ServiceCall call, $0.PlanSetupRequest request);
+
   $async.Future<$0.ServiceList> listServices_Pre(
       $grpc.ServiceCall $call, $async.Future<$1.Empty> $request) async {
     return listServices($call, await $request);