feat(app): add evaluation history, bot control panel, simulation visualizer, and vendored signalr_core

FinlyticApp/lib/features/search/bloc/search_bloc.dart

@@ -26,12 +26,14 @@ extension SwitchMapExtension<T> on Stream<T> {
             onError: controller?.addError,
           );
         }, onDone: () {
-          // Wait for last sub to finish or close
+          outputSub?.cancel();
+          controller?.close();
         });
       },
       onCancel: () {
         outputSub?.cancel();
         inputSub?.cancel();
+        controller?.close();
       },
     );
     return controller.stream;

FinlyticApp/lib/features/search/widgets/asset_search_dialog.dart

@@ -10,12 +10,19 @@ import '../bloc/search_bloc.dart';
 import '../repositories/search_repository.dart';
 
 /// Focused Spotlight Asset Search Dialog with reactive Favorite Star Button, Hero transitions, and Shimmer loading states.
+///
+/// By default, tapping a result navigates straight to [AssetDetailScreen] (the main search-feature use case).
+/// Pass [onAssetSelected] to repurpose this as a reusable asset PICKER instead - e.g. the simulation screen's
+/// ISIN input - in which case a tap pops the dialog and invokes the callback with the picked ISIN/name instead
+/// of navigating anywhere.
 class AssetSearchDialog extends StatelessWidget {
   final ApiClient apiClient;
+  final void Function(String isin, String name)? onAssetSelected;
 
   const AssetSearchDialog({
     super.key,
     required this.apiClient,
+    this.onAssetSelected,
   });
 
   @override
@@ -24,15 +31,16 @@ class AssetSearchDialog extends StatelessWidget {
       create: (context) => SearchBloc(
         repository: SearchRepository(apiClient: apiClient),
       )..add(const SearchQueryChanged('')),
-      child: _AssetSearchDialogContent(apiClient: apiClient),
+      child: _AssetSearchDialogContent(apiClient: apiClient, onAssetSelected: onAssetSelected),
     );
   }
 }
 
 class _AssetSearchDialogContent extends StatefulWidget {
   final ApiClient apiClient;
+  final void Function(String isin, String name)? onAssetSelected;
 
-  const _AssetSearchDialogContent({required this.apiClient});
+  const _AssetSearchDialogContent({required this.apiClient, this.onAssetSelected});
 
   @override
   State<_AssetSearchDialogContent> createState() => _AssetSearchDialogContentState();
@@ -162,6 +170,10 @@ class _AssetSearchDialogContentState extends State<_AssetSearchDialogContent> {
                           ),
                           onTap: () {
                             Navigator.pop(context);
+                            if (widget.onAssetSelected != null) {
+                              widget.onAssetSelected!(isin, assetName);
+                              return;
+                            }
                             Navigator.push(
                               context,
                               MaterialPageRoute(