✨ Extended refresh indicator (keyboard based)

lib/widgets/extended_refresh_indicator.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class RefreshIntent extends Intent {
+  const RefreshIntent();
+}
+
+class ExtendedRefreshIndicator extends StatefulWidget {
+  final Widget child;
+  final RefreshCallback onRefresh;
+
+  const ExtendedRefreshIndicator({
+    super.key,
+    required this.child,
+    required this.onRefresh,
+  });
+
+  @override
+  State<ExtendedRefreshIndicator> createState() =>
+      _ExtendedRefreshIndicatorState();
+}
+
+class _ExtendedRefreshIndicatorState extends State<ExtendedRefreshIndicator> {
+  late final FocusNode _focusNode;
+
+  @override
+  void initState() {
+    super.initState();
+    _focusNode = FocusNode();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _focusNode.requestFocus();
+    });
+  }
+
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Shortcuts(
+      shortcuts: <LogicalKeySet, Intent>{
+        LogicalKeySet(LogicalKeyboardKey.control, LogicalKeyboardKey.keyR):
+            const RefreshIntent(),
+        LogicalKeySet(LogicalKeyboardKey.meta, LogicalKeyboardKey.keyR):
+            const RefreshIntent(),
+        LogicalKeySet(LogicalKeyboardKey.f5): const RefreshIntent(),
+      },
+      child: Actions(
+        actions: <Type, Action<Intent>>{
+          RefreshIntent: CallbackAction<RefreshIntent>(
+            onInvoke: (RefreshIntent intent) => widget.onRefresh(),
+          ),
+        },
+        child: Focus(
+          focusNode: _focusNode,
+          child: RefreshIndicator(
+            onRefresh: widget.onRefresh,
+            child: widget.child,
+          ),
+        ),
+      ),
+    );
+  }
+}