Stage 2 summary at 50 accepted trajectories

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

tasks_gen/train/G1066/spec.md

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+# 1. Goal
+A municipal library charges a fee when a borrower returns a media item after
+the due date. The returns desk calls one function module for each returned
+item. The function module must have the same interface as the sample function
+module, because the returns desk calls all fee modules in the same way.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Function group {{P}}FG_LIB exists in package $TMP.
+- Function module {{P}}LIB_SAMPLE exists in this group. It is the sample fee
+  module. Its interface is the interface that all fee modules must use.
+
+# 4. Contract
+- Create the function module {{P}}LIB_FEE in function group {{P}}FG_LIB.
+- Use exactly the interface of {{P}}LIB_SAMPLE: the same parameter names,
+  kinds, types, and exceptions.
+- The parameters have this meaning:
+  - iv_media_type: the media type of the returned item.
+  - iv_days_late: the number of days between the due date and the return date.
+  - iv_value: the replacement value of the item in euro.
+  - ev_blocked: the borrower is blocked when this flag is true.
+  - cv_fee: the fee in euro. The caller can pass an initial value.
+
+# 5. Business rules
+1. If iv_days_late is less than 0, raise the exception INVALID_DAYS.
+2. Set ev_blocked to false, except in rule 6.
+3. Media type BOOK: the fee is iv_value * iv_days_late * 0.5 / 100. Round the
+   fee half up to 2 decimals. The maximum fee is 5.00.
+4. Media type DVD: the fee is iv_value * iv_days_late * 1 / 100. Round the fee
+   half up to 2 decimals. The maximum fee is 12.00.
+5. Media type MAG: the fee is 0.30 for each day late. There is no maximum.
+6. Media type REF: set ev_blocked to true. Do not change cv_fee.
+7. Any other media type: the fee is 0.
+
+# 6. Constraints
+- Release target: 7.02. Use only ABAP syntax that release 7.02 supports.
+- Follow Clean ABAP. Keep every method below 40 statements.
+- Out of scope: do not change {{P}}LIB_SAMPLE.
+- Do not use application tables.
+- Write ABAP Unit tests for the function module in a global test class.
+
+# 7. Acceptance
+- The function module {{P}}LIB_FEE is active and has no syntax error.
+- The hidden tests pass.
+- Your ABAP Unit tests pass.