feat(garage): add reusable motorcycle photo widget

lib/features/garage/widgets/motorcycle_photo.dart

@@ -0,0 +1,123 @@
+import 'package:flutter/material.dart';
+
+import '../../../services/motorcycle_image_service.dart';
+
+class MotorcyclePhoto extends StatelessWidget {
+  final int year;
+  final String make;
+  final String model;
+  final double height;
+  final BorderRadius borderRadius;
+  final bool showAttribution;
+
+  const MotorcyclePhoto({
+    super.key,
+    required this.year,
+    required this.make,
+    required this.model,
+    this.height = 190,
+    this.borderRadius = const BorderRadius.all(Radius.circular(14)),
+    this.showAttribution = true,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<MotorcycleImage?>(
+      future: MotorcycleImageService.instance.resolve(
+        year: year,
+        make: make,
+        model: model,
+      ),
+      builder: (context, snapshot) {
+        final image = snapshot.data;
+        return ClipRRect(
+          borderRadius: borderRadius,
+          child: Container(
+            height: height,
+            width: double.infinity,
+            color: const Color(0xFF111111),
+            child: image == null
+                ? const _FallbackMotorcycleImage()
+                : Stack(
+                    fit: StackFit.expand,
+                    children: [
+                      Image.network(
+                        image.imageUrl,
+                        fit: BoxFit.cover,
+                        filterQuality: FilterQuality.medium,
+                        loadingBuilder: (context, child, progress) {
+                          if (progress == null) return child;
+                          return const Center(
+                            child: CircularProgressIndicator(
+                              strokeWidth: 2,
+                              color: Colors.cyanAccent,
+                            ),
+                          );
+                        },
+                        errorBuilder: (_, _, _) =>
+                            const _FallbackMotorcycleImage(),
+                      ),
+                      if (showAttribution)
+                        Positioned(
+                          left: 10,
+                          right: 10,
+                          bottom: 8,
+                          child: Align(
+                            alignment: Alignment.bottomLeft,
+                            child: DecoratedBox(
+                              decoration: BoxDecoration(
+                                color: Colors.black.withValues(alpha: 0.68),
+                                borderRadius: BorderRadius.circular(5),
+                              ),
+                              child: Padding(
+                                padding: const EdgeInsets.symmetric(
+                                  horizontal: 7,
+                                  vertical: 3,
+                                ),
+                                child: Text(
+                                  _attribution(image),
+                                  maxLines: 1,
+                                  overflow: TextOverflow.ellipsis,
+                                  style: const TextStyle(
+                                    color: Colors.white70,
+                                    fontSize: 9,
+                                    fontWeight: FontWeight.w600,
+                                  ),
+                                ),
+                              ),
+                            ),
+                          ),
+                        ),
+                    ],
+                  ),
+          ),
+        );
+      },
+    );
+  }
+
+  String _attribution(MotorcycleImage image) {
+    final credit = image.credit?.trim();
+    final license = image.license?.trim();
+    if (credit != null && credit.isNotEmpty && license != null && license.isNotEmpty) {
+      return 'Photo: $credit • $license';
+    }
+    if (credit != null && credit.isNotEmpty) return 'Photo: $credit';
+    return 'Photo: Wikimedia Commons';
+  }
+}
+
+class _FallbackMotorcycleImage extends StatelessWidget {
+  const _FallbackMotorcycleImage();
+
+  @override
+  Widget build(BuildContext context) {
+    return const Center(
+      child: Icon(
+        Icons.two_wheeler,
+        size: 64,
+        color: Color(0xFF00E5FF),
+      ),
+    );
+  }
+}