Remove a reference to screenshots for generic error (#280)

Author: gspencergoog

pkgs/dart_mcp/CHANGELOG.md

@@ -1,6 +1,8 @@
 ## 0.3.4-wip
 
 - Update the tool calling example to include progress notifications.
+- Remove a reference to "screenshot" for a generic error that occurs for more
+  than just screenshots.
 
 ## 0.3.3
 

pkgs/dart_mcp_server/lib/src/mixins/dtd.dart

@@ -1031,9 +1031,7 @@ base mixin DartToolingDaemonSupport
   )..failureReason = CallToolFailureReason.dtdAlreadyConnected;
 
   static final _noActiveDebugSession = CallToolResult(
-    content: [
-      TextContent(text: 'No active debug session to take a screenshot'),
-    ],
+    content: [TextContent(text: 'No active debug session.')],
     isError: true,
   )..failureReason = CallToolFailureReason.noActiveDebugSession;