diff --git a/ground-suite/assets/vehicle_catalog/photos/fixed_wing.png b/ground-suite/assets/vehicle_catalog/photos/fixed_wing.png
new file mode 100644
index 0000000..dbe30c8
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/fixed_wing.png differ
diff --git a/ground-suite/assets/vehicle_catalog/photos/helicopter.png b/ground-suite/assets/vehicle_catalog/photos/helicopter.png
new file mode 100644
index 0000000..9fae497
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/helicopter.png differ
diff --git a/ground-suite/assets/vehicle_catalog/photos/quadcopter.png b/ground-suite/assets/vehicle_catalog/photos/quadcopter.png
new file mode 100644
index 0000000..d35e860
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/quadcopter.png differ
diff --git a/ground-suite/assets/vehicle_catalog/photos/rover.png b/ground-suite/assets/vehicle_catalog/photos/rover.png
new file mode 100644
index 0000000..4aacacf
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/rover.png differ
diff --git a/ground-suite/assets/vehicle_catalog/photos/surface_vessel.png b/ground-suite/assets/vehicle_catalog/photos/surface_vessel.png
new file mode 100644
index 0000000..d7407c1
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/surface_vessel.png differ
diff --git a/ground-suite/assets/vehicle_catalog/photos/tiltrotor_vtol.png b/ground-suite/assets/vehicle_catalog/photos/tiltrotor_vtol.png
new file mode 100644
index 0000000..61d2280
Binary files /dev/null and b/ground-suite/assets/vehicle_catalog/photos/tiltrotor_vtol.png differ
diff --git a/ground-suite/assets/vehicle_catalog/quad_x.mp4 b/ground-suite/assets/vehicle_catalog/quad_x.mp4
deleted file mode 100644
index 32b940b..0000000
Binary files a/ground-suite/assets/vehicle_catalog/quad_x.mp4 and /dev/null differ
diff --git a/ground-suite/assets/vehicle_catalog/quad_x.webp b/ground-suite/assets/vehicle_catalog/quad_x.webp
deleted file mode 100644
index eeafe0e..0000000
Binary files a/ground-suite/assets/vehicle_catalog/quad_x.webp and /dev/null differ
diff --git a/ground-suite/lib/features/fleet/domain/fleet_unit.dart b/ground-suite/lib/features/fleet/domain/fleet_unit.dart
new file mode 100644
index 0000000..f0d75e5
--- /dev/null
+++ b/ground-suite/lib/features/fleet/domain/fleet_unit.dart
@@ -0,0 +1,46 @@
+import '../../vehicle_workspace/domain/vehicle_definition.dart';
+
+/// An operator-created fleet unit in the local planning workspace.
+///
+/// It deliberately contains no received identity, platform, authority, or
+/// physical pose. Those must arrive through separate reviewed bindings later.
+class FleetUnit {
+  const FleetUnit({
+    required this.localUnitId,
+    required this.displayName,
+    required this.definition,
+    required this.localPlacement,
+  });
+
+  final String localUnitId;
+  final String displayName;
+  final VehicleDefinition definition;
+  final LocalScenePoint localPlacement;
+
+  FleetUnit copyWith({String? displayName}) => FleetUnit(
+    localUnitId: localUnitId,
+    displayName: displayName ?? this.displayName,
+    definition: definition,
+    localPlacement: localPlacement,
+  );
+}
+
+/// A normalized placement in the operator's local tactical scene.
+///
+/// This is deliberately not a geographic position, vehicle pose, or received
+/// location. A future map binding will keep reported coordinates separate.
+class LocalScenePoint {
+  const LocalScenePoint({required this.x, required this.y})
+    : assert(x >= 0 && x <= 1),
+      assert(y >= 0 && y <= 1);
+
+  final double x;
+  final double y;
+
+  @override
+  bool operator ==(Object other) =>
+      other is LocalScenePoint && other.x == x && other.y == y;
+
+  @override
+  int get hashCode => Object.hash(x, y);
+}
diff --git a/ground-suite/lib/features/vehicle_workspace/domain/vehicle_catalog.dart b/ground-suite/lib/features/vehicle_workspace/domain/vehicle_catalog.dart
new file mode 100644
index 0000000..cff1411
--- /dev/null
+++ b/ground-suite/lib/features/vehicle_workspace/domain/vehicle_catalog.dart
@@ -0,0 +1,66 @@
+import 'vehicle_definition.dart';
+
+/// Revision of the local reviewed definition catalog.
+///
+/// TODO(gcs-vehicle-catalog): generate this catalog from reviewed firmware
+/// build manifests, then persist both this revision and a definition ID in a
+/// versioned local vehicle workspace record.
+const vehicleDefinitionCatalogRevision = 1;
+
+/// Local vehicle types available in the tactical scene catalog.
+const supportedVehicleDefinitions = <VehicleDefinition>[
+  VehicleDefinition(
+    id: 'kaptan.vehicle.quadcopter.local',
+    name: 'Quadcopter',
+    vehicleClass: 'Multirotor',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/quadcopter.png',
+    ),
+  ),
+  VehicleDefinition(
+    id: 'kaptan.vehicle.fixed-wing.local',
+    name: 'Fixed-wing',
+    vehicleClass: 'Fixed-wing',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/fixed_wing.png',
+    ),
+  ),
+  VehicleDefinition(
+    id: 'kaptan.vehicle.tiltrotor-vtol.local',
+    name: 'Tiltrotor VTOL',
+    vehicleClass: 'VTOL',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/tiltrotor_vtol.png',
+    ),
+  ),
+  VehicleDefinition(
+    id: 'kaptan.vehicle.helicopter.local',
+    name: 'Helicopter',
+    vehicleClass: 'Rotorcraft',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/helicopter.png',
+    ),
+  ),
+  VehicleDefinition(
+    id: 'kaptan.vehicle.rover.local',
+    name: 'Ground rover',
+    vehicleClass: 'Ground vehicle',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/rover.png',
+    ),
+  ),
+  VehicleDefinition(
+    id: 'kaptan.vehicle.surface-vessel.local',
+    name: 'Surface vessel',
+    vehicleClass: 'Marine vehicle',
+    supportedProfile: 'Local scene unit',
+    media: VehicleCatalogMedia(
+      imageAssetPath: 'assets/vehicle_catalog/photos/surface_vessel.png',
+    ),
+  ),
+];
diff --git a/ground-suite/lib/features/vehicle_workspace/domain/vehicle_definition.dart b/ground-suite/lib/features/vehicle_workspace/domain/vehicle_definition.dart
new file mode 100644
index 0000000..19a8428
--- /dev/null
+++ b/ground-suite/lib/features/vehicle_workspace/domain/vehicle_definition.dart
@@ -0,0 +1,27 @@
+/// Bundled profile image for a local vehicle definition.
+class VehicleCatalogMedia {
+  const VehicleCatalogMedia({required this.imageAssetPath});
+
+  final String imageAssetPath;
+}
+
+/// A reviewed vehicle definition that can own a Ground Suite workspace.
+///
+/// It is deliberately separate from platform identity, compatibility, and
+/// write authority reported by a future live vehicle source.
+class VehicleDefinition {
+  const VehicleDefinition({
+    required this.id,
+    required this.name,
+    required this.vehicleClass,
+    required this.supportedProfile,
+    required this.media,
+  });
+
+  /// Stable local identity for persistence and future build matching.
+  final String id;
+  final String name;
+  final String vehicleClass;
+  final String supportedProfile;
+  final VehicleCatalogMedia media;
+}
diff --git a/ground-suite/lib/features/vehicle_workspace/presentation/vehicle_workspace_controller.dart b/ground-suite/lib/features/vehicle_workspace/presentation/vehicle_workspace_controller.dart
new file mode 100644
index 0000000..c44b15c
--- /dev/null
+++ b/ground-suite/lib/features/vehicle_workspace/presentation/vehicle_workspace_controller.dart
@@ -0,0 +1,127 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../fleet/domain/fleet_unit.dart';
+import '../domain/vehicle_definition.dart';
+
+final vehicleWorkspaceProvider =
+    NotifierProvider<VehicleWorkspaceController, VehicleWorkspaceState>(
+      VehicleWorkspaceController.new,
+    );
+
+/// Local fleet workspace state.
+///
+/// TODO(gcs-fleet-storage): persist local-unit IDs and reviewed definition IDs
+/// in a versioned workspace store.
+class VehicleWorkspaceState {
+  const VehicleWorkspaceState({required this.units});
+
+  const VehicleWorkspaceState.unselected() : units = const [];
+
+  final List<FleetUnit> units;
+
+  bool get hasUnits => units.isNotEmpty;
+
+  VehicleWorkspaceState copyWith({List<FleetUnit>? units}) =>
+      VehicleWorkspaceState(units: units ?? this.units);
+}
+
+class VehicleWorkspaceController extends Notifier<VehicleWorkspaceState> {
+  static const maximumLocalUnits = 64;
+  static const _minimumSeparationSquared = .0016;
+
+  @override
+  VehicleWorkspaceState build() => const VehicleWorkspaceState.unselected();
+
+  /// Validation shared by the hangar draft and committed workspace updates.
+  /// It applies only to the operator-local display label, never a vehicle ID.
+  static bool isValidLocalDisplayName(String value) =>
+      _normalizeDisplayName(value) != null;
+
+  bool canPlace(LocalScenePoint localPlacement) =>
+      state.units.length < maximumLocalUnits &&
+      state.units.every((unit) {
+        final dx = unit.localPlacement.x - localPlacement.x;
+        final dy = unit.localPlacement.y - localPlacement.y;
+        return dx * dx + dy * dy >= _minimumSeparationSquared;
+      });
+
+  bool addUnit({
+    required VehicleDefinition definition,
+    required LocalScenePoint localPlacement,
+    String? displayName,
+  }) {
+    if (!canPlace(localPlacement)) {
+      return false;
+    }
+    final sequence = state.units.length + 1;
+    final unit = FleetUnit(
+      localUnitId: 'local-unit-$sequence',
+      displayName:
+          _normalizeDisplayName(displayName) ??
+          '${definition.name.toUpperCase()}-${sequence.toString().padLeft(2, '0')}',
+      definition: definition,
+      localPlacement: localPlacement,
+    );
+    state = VehicleWorkspaceState(units: [...state.units, unit]);
+    return true;
+  }
+
+  /// Creates a local unit at a deterministic, scattered scene position.
+  ///
+  /// Until a reviewed MAVLink position binding exists, this is presentation
+  /// placement only: it is neither a GPS position nor received vehicle data.
+  bool addUnitAutomatically({
+    required VehicleDefinition definition,
+    String? displayName,
+  }) {
+    for (var attempt = 0; attempt < maximumLocalUnits; attempt++) {
+      final sequence = state.units.length + attempt + 1;
+      final placement = LocalScenePoint(
+        x: .14 + _fraction(sequence * .61803398875) * .72,
+        y: .16 + _fraction(sequence * .41421356237) * .66,
+      );
+      if (addUnit(
+        definition: definition,
+        localPlacement: placement,
+        displayName: displayName,
+      )) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  static double _fraction(double value) => value - value.floorToDouble();
+
+  bool renameUnit(String localUnitId, String displayName) {
+    final normalized = _normalizeDisplayName(displayName);
+    if (normalized == null) {
+      return false;
+    }
+    var changed = false;
+    final units = state.units
+        .map((unit) {
+          if (unit.localUnitId != localUnitId) {
+            return unit;
+          }
+          changed = true;
+          return unit.copyWith(displayName: normalized);
+        })
+        .toList(growable: false);
+    if (!changed) {
+      return false;
+    }
+    state = state.copyWith(units: units);
+    return true;
+  }
+
+  static String? _normalizeDisplayName(String? value) {
+    final normalized = value?.trim();
+    if (normalized == null ||
+        normalized.isEmpty ||
+        normalized.runes.length > 32) {
+      return null;
+    }
+    return normalized;
+  }
+}
diff --git a/ground-suite/lib/features/vehicle_workspace/presentation/widgets/vehicle_catalog_card.dart b/ground-suite/lib/features/vehicle_workspace/presentation/widgets/vehicle_catalog_card.dart
new file mode 100644
index 0000000..ddf634f
--- /dev/null
+++ b/ground-suite/lib/features/vehicle_workspace/presentation/widgets/vehicle_catalog_card.dart
@@ -0,0 +1,139 @@
+import 'package:flutter/material.dart';
+
+import '../../../../shared/widgets/surfaces.dart';
+import '../../domain/vehicle_definition.dart';
+
+/// A compact, keyboard-selectable workspace definition tile.
+///
+/// Only a reviewed [VehicleDefinition] reaches this widget. The radio control
+/// changes local pending workspace state; it does not connect, configure, or
+/// identify a vehicle.
+class VehicleCatalogCard extends StatefulWidget {
+  const VehicleCatalogCard({
+    super.key,
+    required this.definition,
+    required this.selected,
+    required this.onSelected,
+  });
+
+  final VehicleDefinition definition;
+  final bool selected;
+  final VoidCallback onSelected;
+
+  @override
+  State<VehicleCatalogCard> createState() => _VehicleCatalogCardState();
+}
+
+class _VehicleCatalogCardState extends State<VehicleCatalogCard> {
+  bool _showFocus = false;
+
+  @override
+  Widget build(BuildContext context) {
+    final scheme = Theme.of(context).colorScheme;
+    final accent = widget.selected || _showFocus ? scheme.primary : null;
+
+    return Semantics(
+      button: true,
+      checked: widget.selected,
+      inMutuallyExclusiveGroup: true,
+      label:
+          '${widget.definition.name}, ${widget.definition.vehicleClass}, '
+          '${widget.definition.supportedProfile}, local unit type, '
+          'local vehicle image, not telemetry',
+      onTap: widget.onSelected,
+      child: DecoratedBox(
+        decoration: BoxDecoration(
+          border: _showFocus
+              ? Border.all(color: scheme.primary, width: 2)
+              : null,
+          borderRadius: BorderRadius.circular(14),
+        ),
+        child: Material(
+          color: Colors.transparent,
+          child: InkWell(
+            excludeFromSemantics: true,
+            onFocusChange: (value) => setState(() => _showFocus = value),
+            onTap: widget.onSelected,
+            borderRadius: BorderRadius.circular(12),
+            child: InstrumentPanel(
+              accent: accent,
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  _VehicleImage(media: widget.definition.media),
+                  Padding(
+                    padding: const EdgeInsets.fromLTRB(14, 12, 14, 14),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        ConsoleLabel('Local unit type'),
+                        const SizedBox(height: 6),
+                        Text(
+                          widget.definition.name,
+                          style: Theme.of(context).textTheme.titleMedium,
+                        ),
+                        const SizedBox(height: 2),
+                        Text(
+                          '${widget.definition.vehicleClass} · ${widget.definition.supportedProfile}',
+                          style: Theme.of(context).textTheme.bodySmall,
+                        ),
+                        const SizedBox(height: 10),
+                        Row(
+                          children: [
+                            Icon(
+                              widget.selected
+                                  ? Icons.radio_button_checked
+                                  : Icons.radio_button_off,
+                              size: 18,
+                              color: widget.selected
+                                  ? scheme.primary
+                                  : scheme.onSurfaceVariant,
+                            ),
+                            const SizedBox(width: 7),
+                            Expanded(
+                              child: Text(
+                                widget.selected
+                                    ? 'Selected for workspace'
+                                    : 'Select for workspace',
+                                style: Theme.of(context).textTheme.labelLarge,
+                              ),
+                            ),
+                          ],
+                        ),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _VehicleImage extends StatelessWidget {
+  const _VehicleImage({required this.media});
+
+  final VehicleCatalogMedia media;
+
+  @override
+  Widget build(BuildContext context) => ClipRRect(
+    borderRadius: const BorderRadius.vertical(top: Radius.circular(11)),
+    child: AspectRatio(
+      aspectRatio: 16 / 10,
+      child: Image.asset(
+        media.imageAssetPath,
+        key: Key('vehicle-image-${media.imageAssetPath}'),
+        fit: BoxFit.cover,
+        filterQuality: FilterQuality.high,
+        excludeFromSemantics: true,
+        errorBuilder: (context, error, stackTrace) => ColoredBox(
+          color: Theme.of(context).colorScheme.surfaceContainerHighest,
+          child: const Center(child: Icon(Icons.image_not_supported_outlined)),
+        ),
+      ),
+    ),
+  );
+}
diff --git a/ground-suite/linux/flutter/generated_plugins.cmake b/ground-suite/linux/flutter/generated_plugins.cmake
index 2e1de87..be1ee3e 100644
--- a/ground-suite/linux/flutter/generated_plugins.cmake
+++ b/ground-suite/linux/flutter/generated_plugins.cmake
@@ -6,6 +6,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  jni
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)
diff --git a/ground-suite/pubspec.lock b/ground-suite/pubspec.lock
index e86079d..1f52fa8 100644
--- a/ground-suite/pubspec.lock
+++ b/ground-suite/pubspec.lock
@@ -65,6 +65,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: bf394f466ba9205f1812a0433b392d6af280f155f56651eda7c18cc32ed493b8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
   collection:
     dependency: transitive
     description:
@@ -105,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.3"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
   file:
     dependency: transitive
     description:
@@ -163,6 +179,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
+  google_fonts:
+    dependency: "direct main"
+    description:
+      name: google_fonts
+      sha256: ba03d03bcaa2f6cb7bd920e3b5027181db75ab524f8891c8bc3aa603885b8055
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.3"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: "9a62a50b50b769a737bc0a8ff381f333529df3ab746b2f6b02e83760231455ba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
   http_multi_server:
     dependency: transitive
     description:
@@ -187,6 +227,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.5"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: f038e58b4dc2c9037f50e233175086337e0b305e356d28211bf55f21c504cbd3
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  jni_flutter:
+    dependency: transitive
+    description:
+      name: jni_flutter
+      sha256: "7b717011ea40d04fd47c2731d3d1d36eb99eba3435c2753d62489e8c3c9991d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  jni_util:
+    dependency: transitive
+    description:
+      name: jni_util
+      sha256: "1ba86da04a5f2bf18fde2edb235587e70c5b0fc5bd4ba955f46b00942c3fc35f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   leak_tracker:
     dependency: transitive
     description:
@@ -275,6 +339,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.2"
+  objective_c:
+    dependency: transitive
+    description:
+      name: objective_c
+      sha256: b7fb95a6d9a4f009edd63dc5ac69f07420b23a16161c6dd8660290b59c602e8e
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.5.0"
   package_config:
     dependency: transitive
     description:
@@ -291,6 +363,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: a7f4874f987173da295a61c181b8ee71dab59b332a486b391babf26a1b884825
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.6"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "69cbd515a62b94d32a7944f086b2f82b4ac40a1d45bebfc00813a430ab2dabcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "2a376b7d6392d80cd3705782d2caa734ca4727776db0b6ec36ef3f1855197699"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: "58c2005f147315b11e9b4a7bc889cd5203e250cba8e3f012dae259b4972b5c16"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "484838772624c3a4b94f1e44a3e19897fee738f2d5c4ce448443b0417f7c9dda"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   pool:
     dependency: transitive
     description:
@@ -307,6 +443,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
+  record_use:
+    dependency: transitive
+    description:
+      name: record_use
+      sha256: "2551bd8eecfe95d14ae75f6021ad0248be5c27f138c2ec12fcb52b500b3ba1ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
   riverpod:
     dependency: transitive
     description:
@@ -512,6 +656,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
   yaml:
     dependency: transitive
     description:
@@ -522,4 +674,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.12.2 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.38.4"
diff --git a/ground-suite/pubspec.yaml b/ground-suite/pubspec.yaml
index a1f2b92..fc5fea5 100644
--- a/ground-suite/pubspec.yaml
+++ b/ground-suite/pubspec.yaml
@@ -1,5 +1,5 @@
 name: ground_suite
-description: "Kaptan's desktop ground-control observability console."
+description: "Kaptan's desktop ground-control workspace."
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
@@ -32,6 +32,7 @@ dependencies:
     sdk: flutter
 
   flutter_riverpod: ^3.4.2
+  google_fonts: ^6.3.2
 
 dev_dependencies:
   flutter_test:
@@ -55,10 +56,10 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
-  # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
+  assets:
+    - assets/test.png
+    - assets/vehicle_catalog/
+    - assets/vehicle_catalog/photos/
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images
diff --git a/ground-suite/test/features/vehicle_workspace/vehicle_catalog_test.dart b/ground-suite/test/features/vehicle_workspace/vehicle_catalog_test.dart
new file mode 100644
index 0000000..1c1e803
--- /dev/null
+++ b/ground-suite/test/features/vehicle_workspace/vehicle_catalog_test.dart
@@ -0,0 +1,77 @@
+import 'dart:ui' show CheckedState;
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:ground_suite/features/vehicle_workspace/domain/vehicle_catalog.dart';
+import 'package:ground_suite/features/vehicle_workspace/presentation/widgets/vehicle_catalog_card.dart';
+
+void main() {
+  test('every local vehicle type has a clear bundled profile image', () {
+    expect(supportedVehicleDefinitions, hasLength(6));
+    expect(
+      supportedVehicleDefinitions.map((definition) => definition.name),
+      containsAll(<String>[
+        'Quadcopter',
+        'Fixed-wing',
+        'Tiltrotor VTOL',
+        'Helicopter',
+        'Ground rover',
+        'Surface vessel',
+      ]),
+    );
+    for (final definition in supportedVehicleDefinitions) {
+      expect(definition.id, isNotEmpty);
+      expect(definition.name, isNotEmpty);
+      expect(definition.media.imageAssetPath, isNotEmpty);
+    }
+  });
+
+  testWidgets('catalog card is a single keyboard-activatable radio control', (
+    tester,
+  ) async {
+    var selections = 0;
+    final definition = supportedVehicleDefinitions.first;
+
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Scaffold(
+          body: SingleChildScrollView(
+            child: Center(
+              child: SizedBox(
+                width: 760,
+                child: VehicleCatalogCard(
+                  definition: definition,
+                  selected: false,
+                  onSelected: () => selections += 1,
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+
+    final card = find.byType(VehicleCatalogCard);
+    final semantics = tester.getSemantics(card);
+    expect(semantics.flagsCollection.isChecked, CheckedState.isFalse);
+    expect(semantics.flagsCollection.isInMutuallyExclusiveGroup, isTrue);
+    expect(semantics.label, contains('local vehicle image, not telemetry'));
+
+    await tester.sendKeyEvent(LogicalKeyboardKey.tab);
+    await tester.pump();
+    await tester.sendKeyEvent(LogicalKeyboardKey.space);
+    await tester.pump();
+    await tester.sendKeyEvent(LogicalKeyboardKey.enter);
+    await tester.pump();
+
+    expect(selections, 2);
+  });
+
+  testWidgets('definition images are bundled locally', (tester) async {
+    for (final definition in supportedVehicleDefinitions) {
+      final image = await rootBundle.load(definition.media.imageAssetPath);
+      expect(image.lengthInBytes, greaterThan(0));
+    }
+  });
+}
diff --git a/ground-suite/test/features/vehicle_workspace/vehicle_workspace_controller_test.dart b/ground-suite/test/features/vehicle_workspace/vehicle_workspace_controller_test.dart
new file mode 100644
index 0000000..f709187
--- /dev/null
+++ b/ground-suite/test/features/vehicle_workspace/vehicle_workspace_controller_test.dart
@@ -0,0 +1,136 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:ground_suite/features/fleet/domain/fleet_unit.dart';
+import 'package:ground_suite/features/vehicle_workspace/domain/vehicle_catalog.dart';
+import 'package:ground_suite/features/vehicle_workspace/presentation/vehicle_workspace_controller.dart';
+
+void main() {
+  test('a reviewed definition creates a selected local fleet unit', () {
+    final container = ProviderContainer();
+    addTearDown(container.dispose);
+
+    final controller = container.read(vehicleWorkspaceProvider.notifier);
+    expect(container.read(vehicleWorkspaceProvider).hasUnits, isFalse);
+
+    final definition = supportedVehicleDefinitions.first;
+    expect(
+      controller.addUnit(
+        definition: definition,
+        localPlacement: const LocalScenePoint(x: .35, y: .45),
+        displayName: 'North survey',
+      ),
+      isTrue,
+    );
+    expect(container.read(vehicleWorkspaceProvider).hasUnits, isTrue);
+    expect(
+      container.read(vehicleWorkspaceProvider).units.single.definition,
+      definition,
+    );
+    expect(
+      container.read(vehicleWorkspaceProvider).units.single.localUnitId,
+      'local-unit-1',
+    );
+    expect(
+      container.read(vehicleWorkspaceProvider).units.single.displayName,
+      'North survey',
+    );
+
+    expect(
+      controller.addUnit(
+        definition: definition,
+        localPlacement: const LocalScenePoint(x: .72, y: .45),
+      ),
+      isTrue,
+    );
+    expect(container.read(vehicleWorkspaceProvider).units, hasLength(2));
+    expect(
+      container.read(vehicleWorkspaceProvider).units.last.localUnitId,
+      'local-unit-2',
+    );
+  });
+
+  test(
+    'rejects overlapping local placements and keeps a bounded workspace',
+    () {
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      final controller = container.read(vehicleWorkspaceProvider.notifier);
+      final definition = supportedVehicleDefinitions.first;
+      const first = LocalScenePoint(x: .2, y: .2);
+      expect(
+        controller.addUnit(definition: definition, localPlacement: first),
+        isTrue,
+      );
+      expect(
+        controller.addUnit(definition: definition, localPlacement: first),
+        isFalse,
+      );
+
+      expect(
+        controller.addUnit(
+          definition: definition,
+          localPlacement: const LocalScenePoint(x: .23, y: .2),
+        ),
+        isFalse,
+      );
+      expect(
+        controller.addUnit(
+          definition: definition,
+          localPlacement: const LocalScenePoint(x: .65, y: .7),
+        ),
+        isTrue,
+      );
+    },
+  );
+
+  test(
+    'catalog additions receive a scattered local presentation placement',
+    () {
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      final controller = container.read(vehicleWorkspaceProvider.notifier);
+      final definition = supportedVehicleDefinitions.first;
+      expect(controller.addUnitAutomatically(definition: definition), isTrue);
+      expect(controller.addUnitAutomatically(definition: definition), isTrue);
+
+      final units = container.read(vehicleWorkspaceProvider).units;
+      expect(units, hasLength(2));
+      expect(units.first.localPlacement, isNot(units.last.localPlacement));
+      for (final unit in units) {
+        expect(unit.localPlacement.x, inInclusiveRange(0.0, 1.0));
+        expect(unit.localPlacement.y, inInclusiveRange(0.0, 1.0));
+      }
+    },
+  );
+
+  test(
+    'local unit names are bounded workspace data, not vehicle configuration',
+    () {
+      final container = ProviderContainer();
+      addTearDown(container.dispose);
+
+      final controller = container.read(vehicleWorkspaceProvider.notifier);
+      expect(
+        controller.addUnitAutomatically(
+          definition: supportedVehicleDefinitions.first,
+        ),
+        isTrue,
+      );
+      expect(
+        controller.renameUnit('local-unit-1', '  Ridge observer  '),
+        isTrue,
+      );
+      expect(
+        container.read(vehicleWorkspaceProvider).units.single.displayName,
+        'Ridge observer',
+      );
+      expect(controller.renameUnit('local-unit-1', '   '), isFalse);
+      expect(
+        container.read(vehicleWorkspaceProvider).units.single.displayName,
+        'Ridge observer',
+      );
+    },
+  );
+}