Mutation check done on all accepted tasks; mutant fixes; dump filter in proxy

- skip sy-subrc lines and CDS type lengths; CDS literal mutants; mutate helper classes
- proxy: sap_short_dumps shows only dumps of the current run
- 26/26 tasks pass; results in docs/faz1-tasarim.md 11g

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

tasks_gen/eval/G0012/faulty/m1_prd_scrap.func.abap

@@ -0,0 +1,41 @@
+FUNCTION {{p}}prd_scrap
+  IMPORTING
+    iv_quantity TYPE decfloat34
+    iv_scrap TYPE decfloat34
+  EXPORTING
+    ev_scrap_pct TYPE decfloat34
+    ev_severity TYPE string
+  CHANGING
+    cv_rework_qty TYPE decfloat34
+  EXCEPTIONS
+    invalid_quantity
+    scrap_too_high.
+
+  IF iv_quantity <= 0 OR iv_scrap < 0.
+    RAISE invalid_quantity.
+  ENDIF.
+
+  IF iv_scrap > iv_quantity.
+    RAISE scrap_too_high.
+  ENDIF.
+
+  ev_scrap_pct = round( val  = iv_scrap / iv_quantity / 100
+                        dec  = 1
+                        mode = cl_abap_math=>round_half_up ).
+
+  IF ev_scrap_pct = 0.
+    ev_severity = 'OK'.
+  ELSEIF ev_scrap_pct <= 5.
+    ev_severity = 'LOW'.
+  ELSEIF ev_scrap_pct <= 20.
+    ev_severity = 'HIGH'.
+  ELSE.
+    ev_severity = 'CRITICAL'.
+  ENDIF.
+
+  CASE ev_severity.
+    WHEN 'HIGH' OR 'CRITICAL'.
+      cv_rework_qty = iv_scrap.
+  ENDCASE.
+
+ENDFUNCTION.