Introduce token app

apps/amm/CMakeLists.txt

@@ -18,6 +18,8 @@ logos_module(
         src/AmmUiPlugin.cpp
         src/AmmUiBackend.h
         src/AmmUiBackend.cpp
+        # Shared wallet UI, overlaid from apps/common/wallet-ui at build time.
+        src/WalletBackendLogic.h
         src/AccountModel.h
         src/AccountModel.cpp
     FIND_PACKAGES

apps/amm/flake.nix

@@ -9,12 +9,63 @@
     # it as a module dependency. This rev pins LEZ (lssa) at fb8cbac4, which
     # includes the macOS Metal-build fix, so no `--override-input` is needed.
     logos_execution_zone.url = "github:logos-blockchain/logos-execution-zone-module?rev=d2e9400ac06c3cdbfc2405b4f153fff9841a453c";
+
+    # Shared wallet UI, consumed as a plain source tree — not a flake:
+    #   - src/{AccountModel,WalletBackendLogic} — C++ overlaid onto this app's
+    #     source below (the backend is compiled into this app's plugin).
+    #   - qml/Logos/Wallet — the importable `Logos.Wallet` QML module, installed
+    #     into the app output at lib/Logos/Wallet by postInstall (the standalone
+    #     puts the app's plugin dir on the QML import path, so `import
+    #     Logos.Wallet` resolves at runtime).
+    wallet_ui = {
+      url = "path:../common/wallet-ui";
+      flake = false;
+    };
+
+    # Build the merge with the exact nixpkgs the module builder uses, so there is
+    # no second nixpkgs to download and no version skew.
+    nixpkgs.follows = "logos-module-builder/nixpkgs";
   };
 
-  outputs = inputs@{ logos-module-builder, ... }:
-    logos-module-builder.lib.mkLogosQmlModule {
-      src = ./.;
-      configFile = ./metadata.json;
-      flakeInputs = inputs;
+  outputs = inputs@{ self, logos-module-builder, wallet_ui, nixpkgs, ... }:
+    let
+      systems = [ "aarch64-darwin" "x86_64-darwin" "aarch64-linux" "x86_64-linux" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems f;
+
+      # Overlay the shared wallet UI onto this app's own source. Built per system
+      # so cross-platform builds stay pure (the module builder takes a single
+      # `src`, so we produce a system-matched merged tree for each).
+      mergedSrcFor = system:
+        let pkgs = import nixpkgs { inherit system; };
+        in pkgs.runCommand "amm-ui-src" { } ''
+          cp -r ${self}/. $out
+          chmod -R u+w $out
+          mkdir -p $out/src $out/qml
+          # Shared C++ (account model + CRTP wallet backend logic).
+          cp ${wallet_ui}/src/AccountModel.h      $out/src/AccountModel.h
+          cp ${wallet_ui}/src/AccountModel.cpp    $out/src/AccountModel.cpp
+          cp ${wallet_ui}/src/WalletBackendLogic.h $out/src/WalletBackendLogic.h
+          # Shared Logos.Wallet QML module, placed under the view dir so it ships
+          # at <pluginDir>/qml/Logos/Wallet and NavBar can `import "Logos/Wallet"`.
+          # (The ui-host only searches the runtime's own QML import path, not the
+          # app dir, so a bare `import Logos.Wallet` URI would not resolve; a
+          # relative import against the view dir does. See the shared README.)
+          rm -rf $out/qml/Logos
+          cp -r ${wallet_ui}/qml/Logos $out/qml/Logos
+        '';
+
+      # Call the builder once per system with that system's merged src, then keep
+      # only that system's outputs. (mkLogosQmlModule iterates all systems
+      # internally; feeding each call the matching source keeps the diagonal
+      # correct and everything off it lazily unevaluated.)
+      moduleFor = system: logos-module-builder.lib.mkLogosQmlModule {
+        src = mergedSrcFor system;
+        configFile = ./metadata.json;
+        flakeInputs = inputs;
+      };
+    in {
+      packages  = forAllSystems (system: (moduleFor system).packages.${system});
+      apps      = forAllSystems (system: (moduleFor system).apps.${system});
+      devShells = forAllSystems (system: (moduleFor system).devShells.${system});
     };
 }

apps/amm/qml/NavBar.qml

@@ -3,7 +3,11 @@ import QtQuick.Layouts 1.15
 
 import Logos.Theme
 
-import "components/wallet"
+// Shared wallet UI module (apps/common/wallet-ui). Imported by relative path
+// because the ui-host only searches the runtime's own QML import path, not the
+// app's plugin dir. Once the module ships as a compiled qrc module (see PR #228)
+// this becomes `import Logos.Wallet`.
+import "Logos/Wallet"
 
 // Self-contained navigation bar — styling is independent of any view's theme.
 // Use currentIndex to read the active tab; tabChanged(index) fires on selection.
@@ -94,7 +98,7 @@ Item {
             }
 
             // Wallet / account control on the far right.
-            AccountControl {
+            WalletControl {
                 id: accountControl
                 Layout.leftMargin: 12
                 backend: root.backend