fix: [Refactor] Remove all try/catch from the server replace with neverthow

packages/sdk/component-registry/registry/echo/hooks/useEchoReact.tsx

@@ -0,0 +1,62 @@
+import { useEffect, useState } from 'react';
+import { useEcho } from '@component-registry/registry/echo';
+import { Result } from 'neverthrow'; // Import Result from neverthrow
+
+// [NEW] Placeholder for the error type that the echo service returns.
+// In a real application, this type would be defined in a shared
+// client/server types module or a dedicated API types file,
+// reflecting the standardized error structure across the server.
+type EchoServiceError = {
+  kind: 'EchoServiceError'; // A discriminant for better type safety
+  message: string;
+  // Specific error codes aligned with server-side expected failures (e.g., validation, auth)
+  code?: 'INVALID_MESSAGE' | 'UNAUTHORIZED' | 'SERVICE_UNAVAILABLE' | 'UNKNOWN_ERROR' | string;
+  details?: Record<string, any>; // Optional details for debugging or specific error info
+};
+
+export const useEchoReact = (message: string) => {
+  // Assume the 'echo' object returned by useEcho provides a method 'echo'
+  // that, after the server-side refactor, returns a neverthrow Result.
+  // We explicitly type it here for demonstration purposes.
+  const echo: { echo: (msg: string) => Promise<Result<string, EchoServiceError>> } = useEcho();
+
+  const [data, setData] = useState<string | null>(null);
+  const [loading, setLoading] = useState(true);
+  // [CHANGE] Update the error state type to use our new EchoServiceError
+  const [error, setError] = useState<EchoServiceError | null>(null);
+
+  useEffect(() => {
+    let isMounted = true;
+
+    const fetchData = async () => {
+      setLoading(true);
+      setError(null); // Clear previous errors
+
+      // [CHANGE] Replaced traditional try/catch with neverthrow's Result pattern.
+      // This assumes `echo.echo` has been refactored server-side (and its client wrapper)
+      // to return `Result<string, EchoServiceError>` for all expected failure paths.
+      const result: Result<string, EchoServiceError> = await echo.echo(message);
+
+      if (isMounted) {
+        if (result.isOk()) {
+          // If the operation was successful, set the data.
+          setData(result.value);
+        } else {
+          // If the operation failed, set the structured error.
+          setError(result.error);
+        }
+        // [CHANGE] setLoading(false) is now handled after the Result is processed,
+        // as neverthrow explicitly models success and failure as return values.
+        setLoading(false);
+      }
+    };
+
+    fetchData();
+
+    return () => {
+      isMounted = false;
+    };
+  }, [echo, message]);
+
+  return { data, loading, error };
+};