feat(cli-tools): add effort level configuration for Claude CLI

- Introduced effort level options (low, medium, high) in the CLI tool settings.
- Updated the SettingsPage and CliToolCard components to handle effort level updates.
- Enhanced CLI command options to accept effort level via --effort parameter.
- Modified backend routes to support effort level updates in tool configurations.
- Created a new CliViewerToolbar component for improved CLI viewer interactions.
- Implemented logic to manage and display execution statuses and layouts in the CLI viewer.

ccw/frontend/src/components/terminal-dashboard/DashboardToolbar.tsx

@@ -128,7 +128,7 @@ export function DashboardToolbar({ activePanel, onTogglePanel, isFileSidebarOpen
   // Launch CLI handlers
   const projectPath = useWorkflowStore(selectProjectPath);
   const focusedPaneId = useTerminalGridStore(selectTerminalGridFocusedPaneId);
-  const panes = useTerminalGridStore((s) => s.panes);
+  // panes available via: useTerminalGridStore((s) => s.panes)
   const createSessionAndAssign = useTerminalGridStore((s) => s.createSessionAndAssign);
   const [isCreating, setIsCreating] = useState(false);
   const [selectedTool, setSelectedTool] = useState<CliTool>('gemini');