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/G1308/reference/balloon_checker.clas.abap

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+CLASS {{p}}balloon_checker DEFINITION PUBLIC FINAL CREATE PUBLIC.
+  PUBLIC SECTION.
+    METHODS check_flight
+      IMPORTING iv_passengers     TYPE i
+                iv_weight_kg      TYPE i
+                iv_wind_kmh       TYPE i
+                iv_cloud_base_m   TYPE i
+      RETURNING VALUE(rv_free_kg) TYPE i
+      RAISING   {{p}}cx_balloon_flight.
+
+  PRIVATE SECTION.
+    CONSTANTS:
+      c_max_passengers   TYPE i VALUE 8,
+      c_max_weight_kg    TYPE i VALUE 640,
+      c_max_wind_kmh     TYPE i VALUE 18,
+      c_min_cloud_base_m TYPE i VALUE 300.
+ENDCLASS.
+
+
+CLASS {{p}}balloon_checker IMPLEMENTATION.
+  METHOD check_flight.
+    IF iv_passengers > c_max_passengers.
+      RAISE EXCEPTION TYPE {{p}}cx_balloon_crew
+        EXPORTING
+          iv_passengers = iv_passengers
+          iv_limit      = c_max_passengers.
+    ENDIF.
+
+    IF iv_weight_kg > c_max_weight_kg.
+      RAISE EXCEPTION TYPE {{p}}cx_balloon_weight
+        EXPORTING
+          iv_weight_kg = iv_weight_kg
+          iv_limit_kg  = c_max_weight_kg.
+    ENDIF.
+
+    IF iv_wind_kmh > c_max_wind_kmh.
+      RAISE EXCEPTION TYPE {{p}}cx_balloon_wind
+        EXPORTING
+          iv_wind_kmh  = iv_wind_kmh
+          iv_limit_kmh = c_max_wind_kmh.
+    ENDIF.
+
+    IF iv_cloud_base_m < c_min_cloud_base_m.
+      RAISE EXCEPTION TYPE {{p}}cx_balloon_cloud
+        EXPORTING
+          iv_cloud_base_m = iv_cloud_base_m
+          iv_limit_m      = c_min_cloud_base_m.
+    ENDIF.
+
+    rv_free_kg = c_max_weight_kg - iv_weight_kg.
+  ENDMETHOD.
+ENDCLASS.