Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1937/reference/if_sweep_check.intf.abap

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+INTERFACE {{p}}if_sweep_check PUBLIC.
+  TYPES ty_reason TYPE c LENGTH 10.
+  TYPES ty_flue_kind TYPE c LENGTH 4.
+  TYPES ty_amount TYPE p LENGTH 8 DECIMALS 2.
+
+  CONSTANTS:
+    BEGIN OF c_reason,
+      ok        TYPE ty_reason VALUE 'OK',
+      no_flues  TYPE ty_reason VALUE 'NO_FLUES',
+      too_many  TYPE ty_reason VALUE 'TOO_MANY',
+      bad_kind  TYPE ty_reason VALUE 'BAD_KIND',
+      blocked   TYPE ty_reason VALUE 'BLOCKED',
+      old_sweep TYPE ty_reason VALUE 'OLD_SWEEP',
+    END OF c_reason.
+
+  CONSTANTS:
+    BEGIN OF c_kind,
+      open   TYPE ty_flue_kind VALUE 'OPEN',
+      closed TYPE ty_flue_kind VALUE 'CLOS',
+      indust TYPE ty_flue_kind VALUE 'INDU',
+    END OF c_kind.
+
+  CONSTANTS c_max_flues TYPE i VALUE 12.
+
+  METHODS check_order
+    IMPORTING iv_flues      TYPE i
+              iv_kind       TYPE ty_flue_kind
+              iv_last_sweep TYPE i
+              iv_year       TYPE i
+              iv_blocked    TYPE abap_bool
+    RETURNING VALUE(rv_reason) TYPE ty_reason.
+
+  METHODS fee
+    IMPORTING iv_flues TYPE i
+              iv_kind  TYPE ty_flue_kind
+    RETURNING VALUE(rv_fee) TYPE ty_amount.
+ENDINTERFACE.