Improve makerbot dropdown selections.

lib/views/market_maker_bot/buy_coin_select_dropdown.dart

@@ -8,6 +8,7 @@ import 'package:web_dex/model/forms/coin_trade_amount_input.dart';
 import 'package:web_dex/views/market_maker_bot/coin_selection_and_amount_input.dart';
 import 'package:web_dex/views/market_maker_bot/coin_trade_amount_form_field.dart';
 import 'package:web_dex/views/market_maker_bot/market_maker_form_error_message_extensions.dart';
+import 'package:web_dex/shared/utils/utils.dart';
 
 class BuyCoinSelectDropdown extends StatelessWidget {
   const BuyCoinSelectDropdown({
@@ -26,6 +27,29 @@ class BuyCoinSelectDropdown extends StatelessWidget {
   Widget build(BuildContext context) {
     return CoinSelectionAndAmountInput(
       coins: coins,
+      refine: (list) {
+        // Order: active with balance (top), active without balance (middle), inactive (bottom)
+        final sdk = context.sdk;
+        int rank(Coin c) {
+          final hasBalance = (c.lastKnownUsdBalance(sdk) ?? 0) > 0;
+          if (c.isActive && hasBalance) return 0;
+          if (c.isActive) return 1;
+          return 2;
+        }
+        final sorted = List<Coin>.from(list);
+        sorted.sort((a, b) {
+          final ra = rank(a);
+          final rb = rank(b);
+          if (ra != rb) return ra - rb;
+          // Within rank, keep existing priority/balance sorting from upstream by
+          // comparing their current position heuristically via usd balance desc then abbr
+          final ba = a.lastKnownUsdBalance(sdk) ?? 0.0;
+          final bb = b.lastKnownUsdBalance(sdk) ?? 0.0;
+          if (ba != bb) return bb.compareTo(ba);
+          return a.abbr.compareTo(b.abbr);
+        });
+        return sorted;
+      },
       title: LocaleKeys.buy.tr(),
       selectedCoin: buyCoin.value,
       onItemSelected: onItemSelected,

lib/views/market_maker_bot/coin_search_dropdown.dart

@@ -5,6 +5,12 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:komodo_ui/komodo_ui.dart';
 import 'package:web_dex/bloc/coins_bloc/coins_repo.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:web_dex/bloc/coins_manager/coins_manager_bloc.dart';
+import 'package:web_dex/router/state/routing_state.dart';
+import 'package:web_dex/router/state/wallet_state.dart';
+import 'package:web_dex/generated/codegen_loader.g.dart';
+import 'package:web_dex/model/main_menu_value.dart';
 import 'package:web_dex/generated/codegen_loader.g.dart';
 import 'package:web_dex/shared/widgets/coin_item/coin_item_body.dart';
 
@@ -133,6 +139,10 @@ class _CoinDropdownState extends State<CoinDropdown> {
                     _overlayEntry = null;
                   },
                   maxHeight: dropdownHeight,
+                  onClose: () {
+                    _overlayEntry?.remove();
+                    _overlayEntry = null;
+                  },
                 ),
               ),
             ],
@@ -168,11 +178,13 @@ class _SearchableDropdown extends StatefulWidget {
   final List<DropdownMenuItem<String>> items;
   final ValueChanged<String?> onItemSelected;
   final double maxHeight;
+  final VoidCallback? onClose;
 
   const _SearchableDropdown({
     required this.items,
     required this.onItemSelected,
     this.maxHeight = 300,
+    this.onClose,
   });
 
   @override
@@ -252,6 +264,39 @@ class _SearchableDropdownState extends State<_SearchableDropdown> {
                 padding: const EdgeInsets.all(16),
                 child: Text(LocaleKeys.nothingFound.tr()),
               ),
+            const Divider(height: 1),
+            _AddAssetsFooter(onClose: widget.onClose),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _AddAssetsFooter extends StatelessWidget {
+  const _AddAssetsFooter({this.onClose});
+  final VoidCallback? onClose;
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      key: const Key('add-assets-dropdown-footer'),
+      onTap: () {
+        context
+            .read<CoinsManagerBloc>()
+            .add(const CoinsManagerCoinsListReset(CoinsManagerAction.add));
+        routingState.selectedMenu = MainMenuValue.wallet;
+        routingState.walletState.action = coinsManagerRouteAction.addAssets;
+        onClose?.call();
+      },
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Icon(Icons.add_circle_outline),
+            const SizedBox(width: 8),
+            Text(LocaleKeys.addAssets.tr()),
           ],
         ),
       ),

lib/views/market_maker_bot/coin_selection_and_amount_input.dart

@@ -24,6 +24,7 @@ class CoinSelectionAndAmountInput extends StatefulWidget {
     this.trailing,
     this.onItemSelected,
     this.useFrontPlate = true,
+    this.refine,
   });
 
   final Coin? selectedCoin;
@@ -32,6 +33,9 @@ class CoinSelectionAndAmountInput extends StatefulWidget {
   final Widget? trailing;
   final Function(Coin?)? onItemSelected;
   final bool useFrontPlate;
+  /// Optional refiner applied after default filtering/sorting to customize
+  /// ordering (e.g., activation/balance grouping for buy list).
+  final List<Coin> Function(List<Coin>)? refine;
 
   @override
   State<CoinSelectionAndAmountInput> createState() =>
@@ -63,31 +67,34 @@ class _CoinSelectionAndAmountInputState
 
   late final _sdk = context.read<KomodoDefiSdk>();
   void _prepareItems() {
-    _items =
-        prepareCoinsForTable(
-              context,
-              widget.coins,
-              null,
-              testCoinsEnabled: context
-                  .read<SettingsBloc>()
-                  .state
-                  .testCoinsEnabled,
-            )
-            .map(
-              (coin) => DropdownMenuItem<String>(
-                value: coin.abbr,
-                child: CoinSelectItemWidget(
-                  name: coin.displayName,
-                  coinId: coin.abbr,
-                  trailing: AssetBalanceText(
-                    coin.toSdkAsset(_sdk).id,
-                    activateIfNeeded: false,
-                  ),
-                  title: CoinItemBody(coin: coin, size: CoinItemSize.large),
-                ),
+    List<Coin> list = prepareCoinsForTable(
+      context,
+      widget.coins,
+      null,
+      testCoinsEnabled:
+          context.read<SettingsBloc>().state.testCoinsEnabled,
+    );
+
+    if (widget.refine != null) {
+      list = widget.refine!(list);
+    }
+
+    _items = list
+        .map(
+          (coin) => DropdownMenuItem<String>(
+            value: coin.abbr,
+            child: CoinSelectItemWidget(
+              name: coin.displayName,
+              coinId: coin.abbr,
+              trailing: AssetBalanceText(
+                coin.toSdkAsset(_sdk).id,
+                activateIfNeeded: false,
               ),
-            )
-            .toList();
+              title: CoinItemBody(coin: coin, size: CoinItemSize.large),
+            ),
+          ),
+        )
+        .toList();
   }
 
   @override

lib/views/market_maker_bot/market_maker_bot_form.dart

@@ -172,7 +172,7 @@ class _MakerFormMobileLayoutState extends State<_MakerFormMobileLayout> {
           children: [
             BlocBuilder<CoinsBloc, CoinsState>(
               builder: (context, state) {
-                final coins = state.walletCoins.values
+                final coins = state.coins.values
                     .where((e) {
                       final usdPrice = e.usdPrice?.price?.toDouble() ?? 0.0;
                       return usdPrice > 0;

lib/views/market_maker_bot/market_maker_bot_form_content.dart

@@ -77,7 +77,7 @@ class _MarketMakerBotFormContentState extends State<MarketMakerBotFormContent> {
                       key: const Key('$keyPrefix-sell-select'),
                       sellCoin: state.sellCoin,
                       sellAmount: state.sellAmount,
-                      coins: _coinsWithUsdBalance(widget.coins),
+                      coins: _sellableCoins(widget.coins),
                       minimumTradeVolume: state.minimumTradeVolume,
                       maximumTradeVolume: state.maximumTradeVolume,
                       onItemSelected: _onSelectSellCoin,
@@ -174,10 +174,13 @@ class _MarketMakerBotFormContentState extends State<MarketMakerBotFormContent> {
     );
   }
 
-  List<Coin> _coinsWithUsdBalance(List<Coin> coins) {
-    return coins
-        .where((coin) => (coin.lastKnownUsdBalance(context.sdk) ?? 0) > 0)
-        .toList();
+  List<Coin> _sellableCoins(List<Coin> coins) {
+    // Sell list: must be active, have balance, and have fiat price
+    return coins.where((coin) {
+      final hasUsdPrice = (coin.usdPrice?.price?.toDouble() ?? 0.0) > 0.0;
+      final hasBalance = (coin.lastKnownUsdBalance(context.sdk) ?? 0) > 0.0;
+      return coin.isActive && hasUsdPrice && hasBalance;
+    }).toList();
   }
 
   void _onMakeOrderPressed() {
@@ -208,7 +211,11 @@ class _MarketMakerBotFormContentState extends State<MarketMakerBotFormContent> {
   }
 
   List<Coin> _filteredCoinsList(Coin? coin) {
-    return widget.coins.where((e) => e.abbr != coin?.abbr).toList();
+    // Buy list: include all compatible coins with price data; exclude currently selected sell coin
+    return widget.coins
+        .where((e) => e.abbr != coin?.abbr)
+        .where((e) => (e.usdPrice?.price?.toDouble() ?? 0.0) > 0.0)
+        .toList();
   }
 
   void _onTradeMarginChanged(String value) {