Stage 2 summary at 50 accepted trajectories

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

tasks_gen/train/G1147/spec.md

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+# 1. Goal
+Show the energy that each charging station of a charging network delivered in a
+period in an ALV list. The network operator uses the list to compare the
+stations.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Table {{P}}CHARGE exists in package $TMP. It contains data.
+  Fields: SESSION_ID (INT4, key), STATION (CHAR 10), SESSION_DATE (DATS),
+  ENERGY_KWH (DEC 15,2).
+
+# 4. Contract
+- Create the executable program {{P}}CHARGE_STAT in package $TMP.
+- Selection screen:
+  - Parameter P_FROM, type DATS, mandatory: the first session date to include.
+  - Parameter P_TO, type DATS, mandatory: the last session date to include.
+- Show the result with CL_SALV_TABLE. The output table has these columns, with
+  these names: STATION, TOTAL_KWH, SESSIONS.
+
+# 5. Business rules
+1. Include a session only if SESSION_DATE is on or after P_FROM and on or before
+   P_TO.
+2. Show one line for each station that has at least one included session.
+3. TOTAL_KWH is the sum of ENERGY_KWH of the included sessions of the station.
+   SESSIONS is the number of included sessions of the station.
+4. Sort the lines by TOTAL_KWH, the highest total first.
+5. Sort the lines by TOTAL_KWH, the lowest total first.
+
+# 6. Constraints
+- Release target: 8.16.
+- Coding standards: Clean ABAP. Read the data with one database access.
+- Out of scope: do not change {{P}}CHARGE.
+
+# 7. Acceptance
+- The program is active and has no syntax error.
+- The list shows one line for each station that has at least one included
+  session.
+- Write ABAP Unit tests as local test classes in the program.