Always show the tool internal name in /tools (#12964)

packages/cli/src/ui/components/views/ToolsList.tsx

@@ -32,8 +32,7 @@ export const ToolsList: React.FC<ToolsListProps> = ({
           <Text color={theme.text.primary}>{'  '}- </Text>
           <Box flexDirection="column">
             <Text bold color={theme.text.accent}>
-              {tool.displayName}
-              {showDescriptions ? ` (${tool.name})` : ''}
+              {tool.displayName} ({tool.name})
             </Text>
             {showDescriptions && tool.description && (
               <MarkdownDisplay

packages/cli/src/ui/components/views/__snapshots__/ToolsList.test.tsx.snap

@@ -25,8 +25,8 @@ exports[`<ToolsList /> > renders correctly with no tools 1`] = `
 exports[`<ToolsList /> > renders correctly without descriptions 1`] = `
 "Available Gemini CLI tools:
 
-  - Test Tool One
-  - Test Tool Two
-  - Test Tool Three
+  - Test Tool One (test-tool-one)
+  - Test Tool Two (test-tool-two)
+  - Test Tool Three (test-tool-three)
 "
 `;