Fix API discrepancies with deriva-ml

- catalog.py: Change format_report() to to_text() for CloneReport
- dataset.py: Change find_dataset() to lookup_dataset()

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: carlkesselman

src/deriva_ml_mcp/tools/catalog.py

@@ -637,7 +637,7 @@ async def clone_catalog(
                 }
                 response["clone_type"] = "cross_server" if dest_hostname and dest_hostname != source_hostname else "same_server"
                 response["message"] = f"Catalog {'subset ' if root_rid else ''}migrated from {source_hostname}:{source_catalog_id} to {result.hostname}:{result.catalog_id}"
-                response["report_summary"] = result.report.format_report()
+                response["report_summary"] = result.report.to_text()
 
             return json.dumps(response)
 

src/deriva_ml_mcp/tools/dataset.py

@@ -1034,7 +1034,7 @@ async def restructure_assets(
             ml = conn_manager.get_active_or_raise()
 
             # Download the dataset as a bag
-            dataset = ml.find_dataset(dataset_rid)
+            dataset = ml.lookup_dataset(dataset_rid)
             if version:
                 dataset = dataset.set_version(version)