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/G1041/seed/if_feed_stock.intf.abap

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+INTERFACE {{p}}if_feed_stock PUBLIC.
+  TYPES:
+    ty_feed_type TYPE c LENGTH 8,
+    ty_unit      TYPE c LENGTH 3,
+    ty_quantity  TYPE p LENGTH 13 DECIMALS 3,
+    BEGIN OF ty_delivery,
+      feed_type TYPE ty_feed_type,
+      unit      TYPE ty_unit,
+      quantity  TYPE ty_quantity,
+    END OF ty_delivery,
+    tt_delivery TYPE STANDARD TABLE OF ty_delivery WITH EMPTY KEY,
+    BEGIN OF ty_stock,
+      feed_type  TYPE ty_feed_type,
+      unit       TYPE ty_unit,
+      quantity   TYPE ty_quantity,
+      deliveries TYPE i,
+    END OF ty_stock,
+    tt_stock TYPE STANDARD TABLE OF ty_stock WITH EMPTY KEY.
+
+  METHODS consolidate
+    IMPORTING it_supplier_a   TYPE tt_delivery
+              it_supplier_b   TYPE tt_delivery
+    RETURNING VALUE(rt_stock) TYPE tt_stock.
+
+  METHODS quantity_of
+    IMPORTING it_stock           TYPE tt_stock
+              iv_feed_type       TYPE ty_feed_type
+    RETURNING VALUE(rv_quantity) TYPE ty_quantity.
+
+  METHODS top_feed
+    IMPORTING it_stock            TYPE tt_stock
+    RETURNING VALUE(rv_feed_type) TYPE ty_feed_type.
+ENDINTERFACE.