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/G0170/spec.md

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+# 1. Goal
+Calculate the price of a booking at a recording studio. A booking program calls
+the calculation before it shows the price to the customer. The program needs one
+price for each booking.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- The interface {{P}}IF_STUDIO_PRICER exists in package $TMP. It is active.
+- The interface has the type TY_ROOM (CHAR 1), the type TY_AMOUNT (packed, length
+  8, 2 decimals), the constant structure C_ROOM (A, B, C), and one method:
+  CALCULATE IMPORTING iv_room TYPE ty_room, iv_minutes TYPE i, iv_bookings TYPE i
+  RETURNING VALUE(rv_price) TYPE ty_amount.
+
+# 4. Contract
+- Create the class {{P}}STUDIO_PRICER in package $TMP.
+- The class is public and final. It has a public constructor without parameters.
+- The class implements {{P}}IF_STUDIO_PRICER.
+- Do not add other public methods.
+
+# 5. Business rules
+Apply the rules in this sequence.
+1. The room type is A, B, or C. Any other room type is invalid. For an invalid
+   room type, return 0.00.
+2. The hourly rate depends on the room type: A 48.00, B 36.00, C 27.00.
+3. The booking duration is given in minutes. A started hour counts as a full
+   hour. A booking of less than 60 minutes counts as one hour.
+4. The base price is the hourly rate multiplied by the number of hours.
+5. The loyalty discount is 0.75 percent for each booking of the customer in the
+   last 12 months. The discount is at most 15 percent.
+6. The discount percentage is rounded.
+7. The price is the base price minus the discount. The discount is the rounded
+   discount percentage of the base price.
+8. Return the price.
+
+# 6. Constraints
+- Release target: 8.16.
+- 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_STUDIO_PRICER.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- The hidden tests pass.
+- Write your own ABAP Unit tests for the class.