chore: add feed.xml reachability check to check-visibility.ts

web/scripts/__tests__/check-visibility.test.ts

@@ -160,6 +160,15 @@ describe('resolveDeployedPageUrl', () => {
       resolveDeployedPageUrl('https://example.org/my-colony/', '/proposals/')
     ).toBe('https://example.org/my-colony/proposals/');
   });
+
+  it('resolves feed.xml from root and nested base paths', () => {
+    expect(resolveDeployedPageUrl('https://example.org', 'feed.xml')).toBe(
+      'https://example.org/feed.xml'
+    );
+    expect(
+      resolveDeployedPageUrl('https://example.org/my-colony', 'feed.xml')
+    ).toBe('https://example.org/my-colony/feed.xml');
+  });
 });
 
 describe('isValidOpenGraphImageType', () => {

web/scripts/check-visibility.ts

@@ -390,9 +390,11 @@ async function runChecks(): Promise<CheckResult[]> {
 
   const agentsHubUrl = resolveDeployedPageUrl(baseUrl, 'agents/');
   const proposalsHubUrl = resolveDeployedPageUrl(baseUrl, 'proposals/');
-  const [agentsHubRes, proposalsHubRes] = await Promise.all([
+  const feedXmlUrl = resolveDeployedPageUrl(baseUrl, 'feed.xml');
+  const [agentsHubRes, proposalsHubRes, feedXmlRes] = await Promise.all([
     fetchWithTimeout(agentsHubUrl),
     fetchWithTimeout(proposalsHubUrl),
+    fetchWithTimeout(feedXmlUrl),
   ]);
 
   const agentsOk = agentsHubRes?.status === 200;
@@ -414,6 +416,15 @@ async function runChecks(): Promise<CheckResult[]> {
     }
   );
 
+  const feedXmlOk = feedXmlRes?.status === 200;
+  results.push({
+    label: 'Deployed feed.xml is reachable',
+    ok: feedXmlOk,
+    details: feedXmlOk
+      ? `GET ${feedXmlUrl} returned 200`
+      : `GET ${feedXmlUrl} returned ${feedXmlRes?.status ?? 'no response'}`,
+  });
+
   const proposalsHubHtml =
     proposalsHubRes?.status === 200 ? await proposalsHubRes.text() : '';
   const atomAutodiscoveryPresent = hasAtomAutodiscoveryLink(proposalsHubHtml);