add better dht debugging

veilid-core/src/storage_manager/debug.rs

@@ -15,4 +15,24 @@ impl StorageManager {
         };
         remote_record_store.debug_records()
     }
+    pub(crate) async fn purge_local_records(&self, reclaim: Option<usize>) -> String {
+        let mut inner = self.inner.lock().await;
+        let Some(local_record_store) = &mut inner.local_record_store else {
+            return "not initialized".to_owned();
+        };
+        let reclaimed = local_record_store
+            .reclaim_space(reclaim.unwrap_or(usize::MAX))
+            .await;
+        return format!("Local records purged: reclaimed {} bytes", reclaimed);
+    }
+    pub(crate) async fn purge_remote_records(&self, reclaim: Option<usize>) -> String {
+        let mut inner = self.inner.lock().await;
+        let Some(remote_record_store) = &mut inner.remote_record_store else {
+            return "not initialized".to_owned();
+        };
+        let reclaimed = remote_record_store
+            .reclaim_space(reclaim.unwrap_or(usize::MAX))
+            .await;
+        return format!("Remote records purged: reclaimed {} bytes", reclaimed);
+    }
 }