Step F first pass: 81/92 accepted; budget floor 60 calls; rejected slots moved for regeneration

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0142/spec.md

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+# 1. Goal
+Refactor the legacy report {{P}}TRAIN_PUNCT_OLD in package $TMP. The report shows
+the punctuality of the railway lines of a regional operator. The operations team
+uses the report to find the lines that need attention.
+The behaviour of the report stays the same. Only the internal structure changes.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Table {{P}}TRUN exists in package $TMP and contains data.
+  Fields: RUN_ID (INT4, key), LINE_CODE (CHAR 6), PLAN_DATE (DATS),
+  DELAY_MIN (INT4), CANCELLED (CHAR 1).
+  One row is one train run of one line on one day. DELAY_MIN is the delay of the
+  run in minutes. CANCELLED is 'X' if the run was cancelled.
+- The report {{P}}TRAIN_PUNCT_OLD in package $TMP is the legacy report. It is
+  active and it produces the correct result. Users report that the code is hard
+  to maintain.
+- The report reads the table and shows one line per railway line in an ALV list.
+
+# 4. Contract
+- The program {{P}}TRAIN_PUNCT_OLD keeps its name and its package $TMP.
+- The selection screen keeps these parameters:
+  - S_LINE: a select-option for the line code.
+  - S_DATE: a select-option for the plan date.
+- The report shows the result with CL_SALV_TABLE. The output table keeps these
+  column names: LINE_CODE, RUNS, LATE, SUM_DELAY, PUNCT.
+
+# 5. Business rules
+The behaviour of the report must not change. The legacy code of
+{{P}}TRAIN_PUNCT_OLD contains the business rules. Read the legacy code and keep
+every rule. Do not add rules. Do not remove rules.
+
+# 6. Constraints
+- Release target: SAP_BASIS 816 (ABAP Platform 2025).
+- Coding standards: Clean ABAP. Split the logic into small methods. A method has
+  fewer than 40 statements. Do not change the public interface.
+- Out of scope: do not change {{P}}TRUN and do not change {{P}}TRAIN_SEED.
+
+# 7. Acceptance
+- The program is active and has no syntax error.
+- The behaviour of the program is unchanged. The hidden tests pass.
+- The code has no ATC finding of priority 1 or 2.
+- Write ABAP Unit tests as local test classes in the program.