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/G1040/spec.md

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+# 1. Goal
+A textile mill inspects the fabric rolls of its looms. The quality team needs
+one row for each roll with the fabric name, the fibre class, the loom, the
+area and the grade. A report and an OData service will read the rows, so the
+calculation must be in the database, in a CDS view.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Table {{P}}FABRIC (fabric master), package $TMP. Key: FABRIC (CHAR 10).
+  Fields: FABRIC_NAME (CHAR 20), FIBRE (CHAR 1).
+  FIBRE is 'C' for cotton, 'W' for wool, 'S' for silk and 'P' for polyester.
+- Table {{P}}ROLL (fabric roll), package $TMP. Key: ROLL_ID (CHAR 10).
+  Fields: FABRIC (CHAR 10), LENGTH_CM (INT4), WIDTH_CM (INT4), DEFECTS (INT4).
+  The first three characters of ROLL_ID identify the loom that wove the roll.
+
+# 4. Contract
+- Create the CDS view entity {{P}}I_ROLL_GRADE in package $TMP.
+- Elements, with these names: ROLL_ID (key), FABRIC_NAME, FIBRE_CLASS, LOOM,
+  AREA_SQM, GRADE.
+- No authorization check (#NOT_REQUIRED).
+
+# 5. Business rules
+1. Show one row for each roll that has a fabric in {{P}}FABRIC. Do not show a
+   roll when its fabric is not in {{P}}FABRIC.
+2. FABRIC_NAME is the name of the fabric of the roll.
+3. FIBRE_CLASS is 'N' when the fibre is cotton, wool or silk. FIBRE_CLASS is
+   'S' for every other fibre.
+4. LOOM is the first three characters of the roll ID.
+5. AREA_SQM is LENGTH_CM multiplied by WIDTH_CM and divided by 10000. Round
+   the result to 2 decimals.
+6. GRADE is 'A' when the roll has no defect. GRADE is 'B' when the roll has 1
+   to 3 defects. GRADE is 'C' when the roll has more than 3 defects.
+
+# 6. Constraints
+- Release target: 7.58.
+- Out of scope: do not change {{P}}FABRIC and {{P}}ROLL.
+
+# 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.