Move DashBot to bottom-right, add close/minimize/maximize buttons and toggle FAB visibility

lib/dashbot/dashbot.dart

@@ -1 +1,66 @@
-export 'widgets/dashbot_widget.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:apidash/dashbot/widgets/dashbot_widget.dart';
+
+// Provider to manage DashBot visibility state
+final dashBotVisibilityProvider = StateProvider<bool>((ref) => false);
+final dashBotMinimizedProvider = StateProvider<bool>((ref) => false);
+
+// Function to show DashBot in a bottom sheet (old style)
+void showDashBotBottomSheet(BuildContext context) {
+  showModalBottomSheet(
+    context: context,
+    isScrollControlled: true,
+    builder: (context) => const Padding(
+      padding: EdgeInsets.all(16.0),
+      child: DashBotWidget(),
+    ),
+  );
+}
+
+// Function to toggle DashBot overlay (new style)
+void toggleDashBotOverlay(WidgetRef ref) {
+  ref.read(dashBotVisibilityProvider.notifier).state = true;
+  ref.read(dashBotMinimizedProvider.notifier).state = false;
+}
+
+// DashBot Overlay Widget
+class DashBotOverlay extends ConsumerWidget {
+  const DashBotOverlay({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final isMinimized = ref.watch(dashBotMinimizedProvider);
+
+    return Material(
+      elevation: 8,
+      borderRadius: BorderRadius.circular(12),
+      child: SizedBox(
+        width: 400, // Fixed width for the DashBot
+        height: isMinimized ? 120 : 450,
+        child: const DashBotWidget(),
+      ),
+    );
+  }
+}
+
+// FloatingActionButton for DashBot
+class DashBotFAB extends ConsumerWidget {
+  final bool useOverlay;
+
+  const DashBotFAB({this.useOverlay = true, super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return FloatingActionButton(
+      onPressed: () {
+        if (useOverlay) {
+          toggleDashBotOverlay(ref);
+        } else {
+          showDashBotBottomSheet(context);
+        }
+      },
+      child: const Icon(Icons.help_outline),
+    );
+  }
+}