feat: enhance canvas and layout components with new features and improvements

- Added remote image patterns to the Next.js configuration for enhanced image handling.
- Updated TypeScript configuration to exclude the 'implement' directory.
- Refactored layout component to fetch initial authentication token and pass it to Providers.
- Replaced CanvasToolbar with CanvasSidebar for improved UI layout and functionality.
- Enhanced Canvas component with new drag-and-drop file upload capabilities and batch node movement.
- Updated various node components to support new status handling and improved user interactions.
- Added debounced saving for note and prompt nodes to optimize performance.

app/dashboard/page.tsx

@@ -340,7 +340,7 @@ export default function DashboardPage() {
             <Button
               variant="ghost"
               size="sm"
-              className="text-muted-foreground"
+              className="cursor-pointer text-muted-foreground"
               type="button"
               onClick={handleCreateWorkspace}
               disabled={isCreatingWorkspace || isSessionPending || !session?.user}
@@ -366,7 +366,7 @@ export default function DashboardPage() {
                   type="button"
                   onClick={() => router.push(`/canvas/${canvas._id}`)}
                   className={cn(
-                    "group flex items-center gap-4 rounded-xl border bg-card p-4 text-left shadow-sm shadow-foreground/3 transition-all",
+                    "group flex cursor-pointer items-center gap-4 rounded-xl border bg-card p-4 text-left shadow-sm shadow-foreground/3 transition-all",
                     "hover:bg-muted/60 hover:shadow-md hover:shadow-foreground/4",
                   )}
                 >