fix(miniapps): clarify CDP prompt and rename menu to Browser

- CDP "Send to AI" message lacked tab-reuse guidance, causing the AI
  to open new tabs instead of reusing the existing one
- "Miniapps" menu label was an internal term; "Browser" is clearer
  for end users

Author: nullmastermind

src/MiniAppManager.cpp

@@ -150,7 +150,8 @@ void MiniAppManager::launchApp(const MiniAppDefinition &def)
             if (aiDock && !instance->cdpHttpUrl().isEmpty()) {
                 menu.addAction(tr("Send to AI"), this, [instance, aiDock]() {
                     const QString msg = QStringLiteral(
-                        "Connect to the browser via CDP at %1")
+                        "Connect to the browser via CDP at %1 "
+                        "(use the existing tab, do not create new tabs). ")
                         .arg(instance->cdpHttpUrl());
                     aiDock->insertTextToInput(msg);
                     aiDock->setVisible(true);

src/dialogs/MainWindow.ui

@@ -382,7 +382,7 @@
    </widget>
    <widget class="QMenu" name="menuMiniApps">
     <property name="title">
-     <string>Miniapps</string>
+     <string>Browser</string>
     </property>
     <addaction name="actionEditMiniApps"/>
    </widget>