fix: surface server error in get_status and trim table output

- Include error field in get_status() ApiResponse so server error
  messages are surfaced instead of generic 'No status data returned'
- Use trim_lines_end() on table output to match local mode formatting

src/client.rs

@@ -227,11 +227,17 @@ impl KeepClient {
         #[derive(serde::Deserialize)]
         struct ApiResponse {
             data: Option<crate::common::status::StatusInfo>,
+            error: Option<String>,
         }
         let response: ApiResponse = self.get_json("/api/status")?;
-        response
-            .data
-            .ok_or_else(|| CoreError::Other(anyhow::anyhow!("No status data returned")))
+        response.data.ok_or_else(|| {
+            CoreError::Other(anyhow::anyhow!(
+                "{}",
+                response
+                    .error
+                    .unwrap_or_else(|| "No status data returned".to_string())
+            ))
+        })
     }
 
     pub fn get_item_info(&self, id: i64) -> Result<ItemInfo, CoreError> {