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/G0026/faulty/m3_cl_rent.clas.abap

@@ -0,0 +1,158 @@
+CLASS {{p}}cl_rent DEFINITION
+  PUBLIC
+  FINAL
+  CREATE PUBLIC.
+
+  PUBLIC SECTION.
+    TYPES ty_class TYPE string.
+    TYPES ty_money TYPE decfloat34.
+    TYPES ty_err_code TYPE c LENGTH 1.
+
+    CONSTANTS: BEGIN OF c_err,
+                 ok        TYPE ty_err_code VALUE ' ',
+                 duration  TYPE ty_err_code VALUE 'D',
+                 distance  TYPE ty_err_code VALUE 'K',
+                 bad_class TYPE ty_err_code VALUE 'C',
+               END OF c_err.
+
+    TYPES: BEGIN OF ty_request,
+             vehicle_class TYPE ty_class,
+             minutes       TYPE i,
+             km            TYPE i,
+             member        TYPE abap_bool,
+             weekend       TYPE abap_bool,
+           END OF ty_request.
+
+    TYPES: BEGIN OF ty_result,
+             err_code     TYPE ty_err_code,
+             time_fee     TYPE ty_money,
+             distance_fee TYPE ty_money,
+             surcharge    TYPE ty_money,
+             discount     TYPE ty_money,
+             total        TYPE ty_money,
+           END OF ty_result.
+
+    CLASS-METHODS calculate
+      IMPORTING is_request       TYPE ty_request
+      RETURNING VALUE(rs_result) TYPE ty_result.
+
+  PRIVATE SECTION.
+    CONSTANTS: BEGIN OF c_block_price,
+                 small  TYPE ty_money VALUE '3.00',
+                 medium TYPE ty_money VALUE '5.00',
+                 large  TYPE ty_money VALUE '8.00',
+               END OF c_block_price.
+    CONSTANTS c_block_minutes TYPE i VALUE 15.
+    CONSTANTS c_free_km       TYPE i VALUE 10.
+    CONSTANTS c_km_price      TYPE ty_money VALUE '0.25'.
+    CONSTANTS c_weekend_share TYPE ty_money VALUE '0.25'.
+    CONSTANTS c_member_share  TYPE ty_money VALUE '0.15'.
+    CONSTANTS c_min_total     TYPE ty_money VALUE '5.00'.
+    CONSTANTS c_decimals      TYPE i VALUE 2.
+
+    CLASS-METHODS validate
+      IMPORTING is_request         TYPE ty_request
+      RETURNING VALUE(rv_err_code) TYPE ty_err_code.
+
+    CLASS-METHODS time_fee
+      IMPORTING is_request    TYPE ty_request
+      RETURNING VALUE(rv_fee) TYPE ty_money.
+
+    CLASS-METHODS distance_fee
+      IMPORTING is_request    TYPE ty_request
+      RETURNING VALUE(rv_fee) TYPE ty_money.
+
+    CLASS-METHODS block_price
+      IMPORTING is_request      TYPE ty_request
+      RETURNING VALUE(rv_price) TYPE ty_money.
+
+    CLASS-METHODS block_count
+      IMPORTING iv_minutes       TYPE i
+      RETURNING VALUE(rv_blocks) TYPE i.
+
+    CLASS-METHODS round_money
+      IMPORTING iv_value        TYPE ty_money
+      RETURNING VALUE(rv_value) TYPE ty_money.
+ENDCLASS.
+
+
+CLASS {{p}}cl_rent IMPLEMENTATION.
+  METHOD calculate.
+    rs_result-err_code = validate( is_request ).
+    IF rs_result-err_code <> c_err-ok.
+      RETURN.
+    ENDIF.
+
+    rs_result-time_fee = time_fee( is_request ).
+    rs_result-distance_fee = distance_fee( is_request ).
+
+    IF is_request-weekend = abap_true.
+      rs_result-surcharge = round_money( rs_result-time_fee * c_weekend_share ).
+    ELSE.
+      rs_result-surcharge = 0.
+    ENDIF.
+
+    DATA(lv_gross) = rs_result-time_fee + rs_result-distance_fee + rs_result-surcharge.
+
+    IF is_request-member = abap_true.
+      rs_result-discount = round_money( lv_gross * c_member_share ).
+    ELSE.
+      rs_result-discount = 0.
+    ENDIF.
+
+    rs_result-total = round_money( lv_gross - rs_result-discount ).
+    IF rs_result-total < c_min_total.
+      rs_result-total = c_min_total.
+    ENDIF.
+  ENDMETHOD.
+
+  METHOD validate.
+    IF is_request-minutes < 1.
+      rv_err_code = c_err-duration.
+    ELSEIF is_request-km < 0.
+      rv_err_code = c_err-distance.
+    ELSEIF is_request-vehicle_class <> 'S'
+       AND is_request-vehicle_class <> 'M'
+       AND is_request-vehicle_class <> 'L'.
+      rv_err_code = c_err-bad_class.
+    ELSE.
+      rv_err_code = c_err-ok.
+    ENDIF.
+  ENDMETHOD.
+
+  METHOD time_fee.
+    rv_fee = block_count( is_request-minutes ) / block_price( is_request ).
+  ENDMETHOD.
+
+  METHOD distance_fee.
+    DATA(lv_chargeable_km) = is_request-km - c_free_km.
+    IF lv_chargeable_km > 0.
+      rv_fee = lv_chargeable_km * c_km_price.
+    ELSE.
+      rv_fee = 0.
+    ENDIF.
+  ENDMETHOD.
+
+  METHOD block_price.
+    CASE is_request-vehicle_class.
+      WHEN 'S'.
+        rv_price = c_block_price-small.
+      WHEN 'M'.
+        rv_price = c_block_price-medium.
+      WHEN 'L'.
+        rv_price = c_block_price-large.
+      WHEN OTHERS.
+        rv_price = 0.
+    ENDCASE.
+  ENDMETHOD.
+
+  METHOD block_count.
+    rv_blocks = ( iv_minutes + c_block_minutes - 1 ) DIV c_block_minutes.
+  ENDMETHOD.
+
+  METHOD round_money.
+    rv_value = round( val  = iv_value
+                      dec  = c_decimals
+                      mode = cl_abap_math=>round_half_up ).
+  ENDMETHOD.
+ENDCLASS.