fix(feed): support strict community refs and safer domain publishing

src/hooks/use-publish-author-domain-guard.ts

@@ -0,0 +1,53 @@
+import { useMemo } from 'react';
+import { useAccount, useResolvedAuthorAddress } from '@bitsocialnet/bitsocial-react-hooks';
+
+type PublishAuthorDomainBlockReason = 'resolving' | 'unresolved' | 'mismatch';
+
+const isDomainAddress = (address: unknown): address is string => typeof address === 'string' && address.includes('.');
+
+export const getPublishAuthorDomainErrorMessage = (reason: PublishAuthorDomainBlockReason) => {
+  if (reason === 'mismatch') {
+    return 'Your Bitsocial Account address belongs to another account.';
+  }
+  if (reason === 'resolving') {
+    return 'Your Bitsocial Account address is still being verified. Try again in a moment.';
+  }
+  return 'Your Bitsocial Account address is not resolved yet.';
+};
+
+const usePublishAuthorDomainGuard = () => {
+  const account = useAccount();
+  const authorAddress = account?.author?.address;
+  const hasDomainAuthor = isDomainAddress(authorAddress);
+  const { resolvedAddress, state } = useResolvedAuthorAddress({
+    author: hasDomainAuthor ? account?.author : undefined,
+    cache: false,
+  });
+
+  const blockedReason = useMemo<PublishAuthorDomainBlockReason | undefined>(() => {
+    if (!hasDomainAuthor) {
+      return undefined;
+    }
+
+    if (state === 'succeeded') {
+      if (!resolvedAddress) {
+        return 'unresolved';
+      }
+      return resolvedAddress === account?.signer?.address ? undefined : 'mismatch';
+    }
+
+    if (state === 'failed') {
+      return 'unresolved';
+    }
+
+    return 'resolving';
+  }, [account?.signer?.address, hasDomainAuthor, resolvedAddress, state]);
+
+  return {
+    account,
+    blockedReason,
+    hasDomainAuthor,
+  };
+};
+
+export default usePublishAuthorDomainGuard;