Stage 2 summary at 50 accepted trajectories

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

tasks_gen/train/G1087/spec.md

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+# 1. Goal
+A tool hire shop rents power tools to its customers. The checkout program calls
+the class {{P}}TOOL_HIRE for each hire request before it prints the hire
+contract. The program needs the fee of the hire and one reason code.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Interface {{P}}IF_TOOL_HIRE exists in package $TMP. It is active.
+- The interface has these types: TY_TOOL (CHAR 1), TY_DAYS (integer),
+  TY_AMOUNT (packed, 13 digits, 2 decimals), TY_REASON (CHAR 12).
+- The interface has the structure TY_RESULT with the components FEE and REASON.
+- The interface has the constant structure C_REASON with the values OK,
+  UNKNOWN_TOOL and TOO_SHORT.
+- The interface has one method:
+  CALCULATE IMPORTING iv_tool TYPE ty_tool
+                     iv_days TYPE ty_days
+            RETURNING VALUE(rs_result) TYPE ty_result.
+
+# 4. Contract
+- Create the class {{P}}TOOL_HIRE in package $TMP.
+- The class is public, final, and has a public constructor without parameters.
+- The class implements {{P}}IF_TOOL_HIRE.
+- Do not add other public methods.
+
+# 5. Business rules
+1. The tool category is one character. These categories exist: 'D' is a drill,
+   'S' is a sander, 'C' is a tile cutter. Every other category is unknown. For
+   an unknown category return the reason UNKNOWN_TOOL and the fee 0.00.
+2. A hire of less than 1 day is not possible. Return the reason TOO_SHORT and
+   the fee 0.00.
+3. The daily rate is 12.00 for 'D', 9.00 for 'S' and 15.00 for 'C'. A hire of
+   1 to 6 days costs the daily rate multiplied by the number of days.
+4. A hire of 7 days or more costs the weekly rate instead of the daily rate.
+   The weekly rate is 60.00 for 'D', 45.00 for 'S' and 75.00 for 'C'.
+5. A hire of 28 days or more costs the monthly rate instead of the weekly rate.
+   The monthly rate is 180.00 for 'D', 135.00 for 'S' and 225.00 for 'C'.
+6. The shop accepts hires of at most 90 days.
+7. For every accepted hire return the reason OK and the fee of the hire.
+8. The checkout program calls the class for every hire request, also for
+   requests that the shop cannot accept.
+
+# 6. Constraints
+- Release target: SAP_BASIS 816 (ABAP Platform 2025).
+- Coding standards: Clean ABAP. Method length below 40 statements. No global
+  variables. No comment that restates the code.
+- Out of scope: do not change {{P}}IF_TOOL_HIRE.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- Write your own ABAP Unit tests for the class.