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/G0130/seed/drug_master.clas.abap

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+CLASS {{p}}drug_master DEFINITION PUBLIC FINAL CREATE PUBLIC.
+  PUBLIC SECTION.
+    TYPES ty_drug_id TYPE c LENGTH 10.
+
+    TYPES:
+      BEGIN OF ty_drug,
+        drug_id        TYPE ty_drug_id,
+        max_daily_dose TYPE i,
+      END OF ty_drug,
+      tt_drug TYPE STANDARD TABLE OF ty_drug WITH EMPTY KEY.
+
+    METHODS get_drug
+      IMPORTING iv_drug_id     TYPE ty_drug_id
+      RETURNING VALUE(rs_drug) TYPE ty_drug.
+
+  PRIVATE SECTION.
+    METHODS get_all_drugs
+      RETURNING VALUE(rt_drug) TYPE tt_drug.
+ENDCLASS.
+
+
+CLASS {{p}}drug_master IMPLEMENTATION.
+  METHOD get_drug.
+    DATA(lt_drug) = get_all_drugs( ).
+    READ TABLE lt_drug INTO rs_drug WITH KEY drug_id = iv_drug_id.
+    IF sy-subrc <> 0.
+      CLEAR rs_drug.
+    ENDIF.
+  ENDMETHOD.
+
+  METHOD get_all_drugs.
+    rt_drug = VALUE #( ( drug_id = 'PARA500' max_daily_dose = 4000 )
+                       ( drug_id = 'IBU400'  max_daily_dose = 1200 )
+                       ( drug_id = 'AMOX500' max_daily_dose = 1500 )
+                       ( drug_id = 'META50'  max_daily_dose = 200 )
+                       ( drug_id = 'SALB100' max_daily_dose = 800 ) ).
+  ENDMETHOD.
+ENDCLASS.