fix: dashboard: add anonid to user's metadata (#3282)

### **PR Type**
Enhancement


___

### **Description**
- Add anonymous ID to user metadata during signup

- Integrate Segment analytics for anonymous ID retrieval

- Update GitHub sign-in to include anonymous ID

- Add changeset for version bump and changelog


___



### **Changes walkthrough** 📝
<table><thead><tr><th></th><th align="left">Relevant
files</th></tr></thead><tbody><tr><td><strong>Enhancement</strong></td><td><table>
<tr>
  <td>
    <details>
<summary><strong>signup.tsx</strong><dd><code>Integrate anonymous ID in
signup process</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
</dd></summary>
<hr>

dashboard/src/pages/signup.tsx

<li>Import Segment analytics<br> <li> Add state for anonymous ID<br>
<li> Fetch anonymous ID on component mount<br> <li> Include anonymous ID
in email and GitHub signup


</details>


  </td>
<td><a
href="https://github.com/nhost/nhost/pull/3282/files#diff-fc2b5989e3bbafda1d3d8b2317d24c39ef2b8cec0c4dc410170fa2da13464f68">+19/-1</a>&nbsp;
&nbsp; </td>

</tr>
</table></td></tr><tr><td><strong>Documentation</strong></td><td><table>
<tr>
  <td>
    <details>
<summary><strong>tall-eggs-battle.md</strong><dd><code>Add changeset for
dashboard update</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

.changeset/tall-eggs-battle.md

<li>Add changeset file for version bump<br> <li> Describe change as
adding anonid to user's metadata


</details>


  </td>
<td><a
href="https://github.com/nhost/nhost/pull/3282/files#diff-26ba0d1f688299d031611809f726356bdec0104a9264ec7dcca0757985023a58">+5/-0</a>&nbsp;
&nbsp; &nbsp; </td>

</tr>
</table></td></tr></tr></tbody></table>

___

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.changeset/tall-eggs-battle.md

@@ -0,0 +1,5 @@
+---
+'@nhost/dashboard': minor
+---
+
+fix: dashboard: add anonid to user's metadata

dashboard/src/pages/signup.tsx

@@ -7,6 +7,7 @@ import { Divider } from '@/components/ui/v2/Divider';
 import { GitHubIcon } from '@/components/ui/v2/icons/GitHubIcon';
 import { Input, inputClasses } from '@/components/ui/v2/Input';
 import { Text } from '@/components/ui/v2/Text';
+import { analytics } from '@/lib/segment';
 import { getToastStyleProps } from '@/utils/constants/settings';
 import { nhost } from '@/utils/nhost';
 import { yupResolver } from '@hookform/resolvers/yup';
@@ -39,6 +40,19 @@ export default function SignUpPage() {
   const { signUpEmailPassword, error } = useSignUpEmailPassword();
   const [loading, setLoading] = useState(false);
   const router = useRouter();
+  const [anonId, setAnonId] = useState<string | null>(null);
+
+  useEffect(() => {
+    const getAnonId = async () => {
+      try {
+        const user = await analytics.user();
+        setAnonId(user.anonymousId());
+      } catch (err) {
+        console.error('Failed to get anonymous ID:', err);
+      }
+    };
+    getAnonId();
+  }, []);
 
   // x-cf-turnstile-response
   const [turnstileResponse, setTurnstileResponse] = useState(null);
@@ -85,6 +99,7 @@ export default function SignUpPage() {
         password,
         {
           displayName,
+          metadata: { anonId },
         },
         {
           headers: {
@@ -126,7 +141,10 @@ export default function SignUpPage() {
             setLoading(true);
 
             try {
-              await nhost.auth.signIn({ provider: 'github' });
+              await nhost.auth.signIn({
+                provider: 'github',
+                options: { metadata: { anonId } },
+              });
             } catch {
               toast.error(
                 `An error occurred while trying to sign up using GitHub. Please try again.`,