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/G0121/reference/roast_sum.func.abap

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+FUNCTION {{p}}roast_sum
+  IMPORTING
+    it_orders TYPE STANDARD TABLE OF {{p}}roasts
+  EXPORTING
+    et_totals TYPE STANDARD TABLE OF {{p}}blends
+    ev_grand_total TYPE decfloat34.
+
+  TYPES: BEGIN OF ty_sum,
+           blend    TYPE {{p}}blends-blend,
+           total_kg TYPE {{p}}blends-total_kg,
+         END OF ty_sum.
+
+  DATA lt_sum TYPE HASHED TABLE OF ty_sum WITH UNIQUE KEY blend.
+  DATA ls_ord TYPE {{p}}roasts.
+  DATA ls_sum TYPE ty_sum.
+  DATA ls_tot TYPE {{p}}blends.
+
+  CLEAR: et_totals, ev_grand_total.
+
+  LOOP AT it_orders INTO ls_ord.
+    IF ls_ord-quantity_kg <= 0.
+      CONTINUE.
+    ENDIF.
+
+    READ TABLE lt_sum INTO ls_sum WITH TABLE KEY blend = ls_ord-blend.
+    IF sy-subrc = 0.
+      ls_sum-total_kg = ls_sum-total_kg + ls_ord-quantity_kg.
+      MODIFY TABLE lt_sum FROM ls_sum.
+    ELSE.
+      ls_sum-blend = ls_ord-blend.
+      ls_sum-total_kg = ls_ord-quantity_kg.
+      INSERT ls_sum INTO TABLE lt_sum.
+    ENDIF.
+  ENDLOOP.
+
+  LOOP AT lt_sum INTO ls_sum.
+    ls_tot-blend = ls_sum-blend.
+    ls_tot-total_kg = ls_sum-total_kg.
+    ev_grand_total = ev_grand_total + ls_sum-total_kg.
+    APPEND ls_tot TO et_totals.
+  ENDLOOP.
+
+  SORT et_totals BY total_kg DESCENDING blend ASCENDING.
+
+ENDFUNCTION.