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/G1012/spec.md

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+# 1. Goal
+Show the milk that each farm delivered. The cooperative wants only the farms
+that delivered more than 500 litres in total. A report and an OData service
+will read the result, so the calculation must be in the database, in a CDS view.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Table {{P}}FARM (farm master), package $TMP. Key: FARM_ID (CHAR 10).
+  Fields: FARMER (CHAR 20), REGION (CHAR 10).
+- Table {{P}}MILK (milk delivery), package $TMP. Key: FARM_ID (CHAR 10),
+  DELIV_DATE (DATS). Fields: LITRES (DEC 10,1).
+
+# 4. Contract
+- Create the CDS view entity {{P}}I_MILK_TOTAL in package $TMP.
+- Elements, with these names: FARM_ID (key), FARMER, TOTAL_LITRES,
+  DELIVERY_COUNT.
+- No authorization check (#NOT_REQUIRED).
+
+# 5. Business rules
+1. Show one row for each farm whose total litres are more than 500. A farm
+   with a total of 500 litres or less must not be shown. A farm without a
+   delivery must not be shown. A delivery whose farm is not in the farm
+   master must not be shown.
+2. TOTAL_LITRES is the sum of LITRES of all deliveries of the farm, with one
+   decimal.
+3. DELIVERY_COUNT is the number of deliveries of the farm.
+4. FARMER is the farmer of the farm.
+5. The rows are grouped by farm. There is exactly one row for each farm.
+
+# 6. Constraints
+- Release target: 8.16 (SAP_BASIS 816).
+- Coding standards: Clean ABAP. No ATC priority 1 or 2 findings.
+- Out of scope: do not change {{P}}FARM and {{P}}MILK.
+
+# 7. Acceptance
+- The view is active and has no syntax error.
+- The hidden tests pass.
+- Write ABAP Unit tests with CL_CDS_TEST_ENVIRONMENT in a global test class.