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/G1031/spec.md

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+# 1. Goal
+The CDS view entity {{P}}I_FILM_REVENUE shows the revenue of each film in a
+cinema chain. Users report that a film appears several times in the view, once
+for each screening. Fix the view so that it shows one row for each film.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Table {{P}}SCREEN (screening), package $TMP. Key: SHOW_ID (CHAR 10).
+  Fields: FILM (CHAR 10), SHOW_DATE (DATS), HALL (CHAR 4), STATUS (CHAR 1).
+- Table {{P}}TICKET (ticket), package $TMP. Key: SHOW_ID (CHAR 10),
+  TICKET_NO (INT4). Fields: PRICE (DEC 15,2, price of one ticket).
+- The CDS view entity {{P}}I_FILM_REVENUE is in package $TMP. It joins
+  {{P}}SCREEN and {{P}}TICKET.
+
+# 4. Contract
+- The CDS view entity {{P}}I_FILM_REVENUE stays in package $TMP.
+- Elements, with these names: FILM (key), TICKET_COUNT, REVENUE.
+- No authorization check (#NOT_REQUIRED).
+
+# 5. Business rules
+1. Show one row for each film that has at least one ticket. Do not show a film
+   without tickets.
+2. TICKET_COUNT is the number of tickets sold for the film.
+3. REVENUE is the sum of the prices of all tickets of the film.
+4. All other behavior of the view stays the same.
+
+# 6. Constraints
+- Release target: SAP_BASIS 816.
+- Out of scope: do not change {{P}}SCREEN, {{P}}TICKET and {{P}}SEED_CINEMA.
+- Coding standards: Clean ABAP. No ATC priority 1 or 2 findings.
+- Out of scope: do not create other objects.
+
+# 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.