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/G0128/reference/cx_rating_missing.clas.abap

@@ -0,0 +1,26 @@
+CLASS {{p}}cx_rating_missing DEFINITION
+  PUBLIC
+  INHERITING FROM cx_static_check
+  FINAL
+  CREATE PUBLIC.
+
+  PUBLIC SECTION.
+    TYPES ty_rating TYPE c LENGTH 4.
+
+    DATA mv_required TYPE ty_rating READ-ONLY.
+    DATA mv_held     TYPE ty_rating READ-ONLY.
+
+    METHODS constructor
+      IMPORTING
+        iv_required TYPE ty_rating
+        iv_held     TYPE ty_rating.
+ENDCLASS.
+
+
+CLASS {{p}}cx_rating_missing IMPLEMENTATION.
+  METHOD constructor.
+    super->constructor( ).
+    mv_required = iv_required.
+    mv_held     = iv_held.
+  ENDMETHOD.
+ENDCLASS.