show completion in frontend

backend/scanner.py

@@ -283,6 +283,7 @@ def scan_results(results_dir_dut, results_dir_ref, smb_credentials=None):
             entry.name
             for entry in _iter_dir_entries(results_dir_ref, smb_credentials=smb_credentials)
             if entry.is_dir()
+            and not entry.name.startswith("obsolete")
         ]
     except OSError as exc:
         print(f"[scanner] Cannot read results dir: {exc}")
@@ -310,7 +311,14 @@ def scan_results(results_dir_dut, results_dir_ref, smb_credentials=None):
     if unmatched_entries:
         print(f"[scanner] skipped {len(unmatched_entries)} result dir(s) with no recognizable test id")
 
-    mark_tests_completed(completed_batch)
+    if completed_batch:
+        print(f"[scanner] marking {len(completed_batch)} test(s) as completed:")
+        for test_id, device in completed_batch:
+            print(f"  - {test_id} on {device}")
+    
+    updated_count = mark_tests_completed(completed_batch)
+    print(f"[scanner] {updated_count} test(s) actually updated in database")
+    
     newly_rerun = mark_overdue_as_rerun()
     if newly_rerun:
         print(f"[scanner] {newly_rerun} test(s) marked as rerun-required (scheduled but not completed)")