fix: update dependencies and improve chat component structure

- Updated `lucide-svelte` dependency to version 0.552.0 across multiple files for consistency.
- Refactored chat components to enhance structure and readability, including adjustments to the Sidebar, ChatList, and MessageInput components.
- Improved notification handling in chat components to ensure better user experience and responsiveness.
- Added type safety enhancements in various components to ensure better integration with backend data models.

apps/web/vite.config.ts

@@ -4,4 +4,7 @@ import { defineConfig } from "vite";
 
 export default defineConfig({
 	plugins: [tailwindcss(), sveltekit()],
+	resolve: {
+		dedupe: ["lucide-svelte"],
+	},
 });