Fix coverage with several contract classes; table annotation and file path checks; clean task dir on write

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0111/seed/court.tabl.asabap

@@ -0,0 +1,11 @@
+@EndUserText.label : 'Court'
+@AbapCatalog.enhancement.category : #NOT_EXTENSIBLE
+@AbapCatalog.tableCategory : #TRANSPARENT
+@AbapCatalog.deliveryClass : #A
+@AbapCatalog.dataMaintenance : #RESTRICTED
+define table {{p}}court {
+  key client   : abap.clnt not null;
+  key court_id : abap.int4 not null;
+  court_name   : abap.char(40);
+  sport        : abap.char(20);
+}