chore: update version and enhance dashboard components

- Add a warning message for Windows users in AntigravityToolCard to run the terminal as Administrator for MITM functionality.
- Refactor model testing logic in ProviderDetailPage to improve state management and user experience.
- Introduce new version notification in Sidebar for available updates.

src/app/api/version/route.js

@@ -0,0 +1,46 @@
+import https from "https";
+import pkg from "../../../../package.json" with { type: "json" };
+
+const NPM_PACKAGE_NAME = "9router";
+
+// Fetch latest version from npm registry
+function fetchLatestVersion() {
+  return new Promise((resolve) => {
+    const req = https.get(
+      `https://registry.npmjs.org/${NPM_PACKAGE_NAME}/latest`,
+      { timeout: 4000 },
+      (res) => {
+        let data = "";
+        res.on("data", (chunk) => (data += chunk));
+        res.on("end", () => {
+          try {
+            resolve(JSON.parse(data).version || null);
+          } catch {
+            resolve(null);
+          }
+        });
+      }
+    );
+    req.on("error", () => resolve(null));
+    req.on("timeout", () => { req.destroy(); resolve(null); });
+  });
+}
+
+function compareVersions(a, b) {
+  const pa = a.split(".").map(Number);
+  const pb = b.split(".").map(Number);
+  for (let i = 0; i < 3; i++) {
+    if (pa[i] > pb[i]) return 1;
+    if (pa[i] < pb[i]) return -1;
+  }
+  return 0;
+}
+
+export async function GET() {
+  const latestVersion = await fetchLatestVersion();
+  console.log("🚀 ~ GET ~ latestVersion:", latestVersion)
+  const currentVersion = pkg.version;
+  const hasUpdate = latestVersion ? compareVersions(latestVersion, currentVersion) > 0 : false;
+
+  return Response.json({ currentVersion, latestVersion, hasUpdate });
+}