fix: address issues in model pull and chat API

- Refactored model pull logic to improve error handling and user feedback.
- Enhanced chat API to ensure better performance and reliability during message fetching.
- Updated UI components for a more intuitive user experience when interacting with models and messages.

hooks/use-hardware.ts

@@ -0,0 +1,28 @@
+import { useState, useEffect } from 'react';
+import { invoke } from '@tauri-apps/api/core';
+import { SystemSpecs } from '@/lib/recommendation';
+
+export function useHardware() {
+  const [specs, setSpecs] = useState<SystemSpecs | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    async function fetchSpecs() {
+      try {
+        const data = await invoke<SystemSpecs>('get_system_specs');
+        // Simulate a small delay for the "scanning" effect
+        setTimeout(() => {
+          setSpecs(data);
+          setLoading(false);
+        }, 1500);
+      } catch (error) {
+        console.error("Failed to get system specs:", error);
+        setLoading(false);
+      }
+    }
+    fetchSpecs();
+  }, []);
+
+  return { specs, loading };
+}
+