Pipeline controller: plan 2 (hard +, error +50 %), backlog throttle, 2 trajectory workers, stop rules, summaries every 50; budget reserve

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/G1026/reference/guard_fee.func.abap

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+FUNCTION {{p}}guard_fee
+  IMPORTING
+    iv_shift_type TYPE string
+    iv_hours TYPE decfloat34
+  EXPORTING
+    ev_surcharge TYPE abap_bool
+  CHANGING
+    cv_fee TYPE decfloat34
+  EXCEPTIONS
+    invalid_hours.
+
+  CONSTANTS c_base_rate TYPE decfloat34 VALUE '25.50'.
+  CONSTANTS c_night_factor TYPE decfloat34 VALUE '1.25'.
+  CONSTANTS c_holiday_factor TYPE decfloat34 VALUE '2.00'.
+  CONSTANTS c_min_fee TYPE decfloat34 VALUE '50.00'.
+
+  DATA lv_known TYPE abap_bool.
+
+  ev_surcharge = abap_false.
+
+  IF iv_hours <= 0.
+    RAISE invalid_hours.
+  ENDIF.
+
+  CASE iv_shift_type.
+    WHEN 'DAY'.
+      lv_known = abap_true.
+      cv_fee = round( val = iv_hours * c_base_rate dec = 2 ).
+    WHEN 'NIGHT'.
+      lv_known = abap_true.
+      ev_surcharge = abap_true.
+      cv_fee = round( val = iv_hours * c_base_rate * c_night_factor dec = 2 ).
+    WHEN 'HOLIDAY'.
+      lv_known = abap_true.
+      ev_surcharge = abap_true.
+      cv_fee = round( val = iv_hours * c_base_rate * c_holiday_factor dec = 2 ).
+    WHEN OTHERS.
+      cv_fee = 0.
+  ENDCASE.
+
+  IF lv_known = abap_true AND cv_fee < c_min_fee.
+    cv_fee = c_min_fee.
+  ENDIF.
+
+ENDFUNCTION.