clean up output

src/main.zig

@@ -251,12 +251,13 @@ pub fn main() !void {
     defer creds.deinit();
 
     try stdout.print("🔐 Authenticating...\n", .{});
+    try stdout.flush();
     const auth = try authenticate(allocator, creds.username, creds.password);
     defer allocator.free(auth.id_token);
     defer allocator.free(auth.user_uuid);
     try stdout.print("✓ User UUID: {s}\n\n", .{auth.user_uuid});
-
     try stdout.print("📱 Fetching devices...\n", .{});
+    try stdout.flush();
     const result = try getDevices(allocator, auth.id_token, creds.username);
     defer result.deinit();
 
@@ -285,6 +286,7 @@ pub fn main() !void {
                                 try stdout.print("    Serial ID: {s}\n", .{serial_id});
                                 try stdout.print("    Model: {s}\n\n", .{model});
                             }
+                            try stdout.flush();
 
                             if (devices.array.items.len > 0) {
                                 const device = devices.array.items[0];
@@ -297,6 +299,7 @@ pub fn main() !void {
                                 if (serial_id) |sid| {
                                     const device_name = if (device.object.get("device_name")) |n| if (n == .string) n.string else "Unnamed" else "Unnamed";
                                     try stdout.print("🔍 Checking recirculation status for {s}...\n", .{device_name});
+                                    try stdout.flush();
 
                                     const status = try getRecirculationStatus(allocator, auth.id_token, sid);
                                     defer status.deinit();
@@ -333,10 +336,12 @@ pub fn main() !void {
                                                 // Recirculation code would go here but not called during testing
                                                 try stdout.print("\n(Recirculation start function available but not called during testing)\n", .{});
                                             }
+                                            try stdout.flush();
                                         }
                                     }
                                 } else {
                                     try stderr.print("❌ No serial_id found for device\n", .{});
+                                    try stderr.flush();
                                     return error.NoSerialId;
                                 }
                             }
@@ -346,8 +351,9 @@ pub fn main() !void {
             }
         }
     } else {
-        const err_str = try std.fmt.allocPrint(allocator, "{}", .{result.value});
-        defer allocator.free(err_str);
-        try stderr.print("❌ Error: {s}\n", .{err_str});
+        try stderr.writeAll("❌ Error fetching devices. Response: ");
+        try std.json.Stringify.value(result.value, .{}, stderr);
+
+        try stderr.flush();
     }
 }