feat(webui): polish agent output and app discovery

webui/src/i18n/locales/en/common.json

@@ -198,7 +198,7 @@
       "imageGeneration": "Expose generate_image in chats when a configured image provider is available.",
       "imageProvider": "Choose the registry provider used by generate_image.",
       "imageProviderStatus": "Image generation reuses provider credentials from Providers.",
-      "imageModel": "Model name sent to the selected image provider.",
+      "imageModel": "Choose a model supported by the selected image provider.",
       "defaultAspectRatio": "Used when the prompt does not choose an aspect ratio.",
       "defaultImageSize": "Size hint sent to providers that support it.",
       "maxImagesPerTurn": "Upper bound for one generate_image request.",
@@ -938,6 +938,8 @@
       "goalStateCloseAria": "Close goal",
       "send": "Send message",
       "stop": "Stop response",
+      "quotedContext": "Quoted context",
+      "removeQuotedContext": "Remove quoted context",
       "modelNotConfigured": "Model not configured",
       "configureModel": "Configure model",
       "queued": {
@@ -1127,9 +1129,9 @@
     "activityWorkingFor": "Working for {{duration}}",
     "activityWorked": "Worked",
     "activityWorkedFor": "Worked for {{duration}}",
-    "cliActivityRunningOne": "Using @{{name}}",
-    "cliActivityRanOne": "Used @{{name}}",
-    "cliActivityFailedOne": "Failed @{{name}}",
+    "cliActivityRunningOne": "Using {{name}}",
+    "cliActivityRanOne": "Used {{name}}",
+    "cliActivityFailedOne": "{{name}} failed",
     "cliActivityRunningMany": "Using {{count}} CLI apps",
     "cliActivityRanMany": "Used {{count}} CLI apps",
     "cliActivityFailedMany": "{{count}} CLI apps failed",
@@ -1139,6 +1141,7 @@
     "imageAttachment": "Image attachment",
     "automationSourceFallback": "Automation",
     "automationTriggered": "Triggered automatically",
+    "askAboutSelection": "Ask about this",
     "forkFromHere": "Fork",
     "copyReply": "Copy",
     "copiedReply": "Copied",