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/G0163/spec.md

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+# 1. Goal
+A bank charges interest on the overdrawn part of a current account. The bank
+needs one calculation that returns the interest of one account for one period.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- All objects are in package $TMP.
+- The interface {{P}}IF_OVERDRAFT exists in package $TMP. It is active.
+- The interface contains the types TY_AMOUNT (packed number, length 15, two
+  decimals) and TY_SEGMENT (character, length 1), the constants
+  C_SEGMENT_PRIVATE (value 'P'), C_SEGMENT_BUSINESS (value 'B') and
+  C_MIN_INTEREST (value 5.00), and one method:
+  CALCULATE
+    IMPORTING iv_amount TYPE ty_amount
+              iv_days TYPE i
+              iv_segment TYPE ty_segment
+    RETURNING VALUE(rv_interest) TYPE ty_amount.
+
+# 4. Contract
+- Create the class {{P}}OVERDRAFT_CALC in package $TMP.
+- The class is public and final. It implements {{P}}IF_OVERDRAFT.
+- The class can be created without parameters.
+- Do not add other public methods or attributes.
+
+# 5. Business rules
+Apply the rules in this sequence.
+1. If iv_amount is zero or negative, or if iv_days is zero or negative,
+   return 0.00.
+2. The first three days of the period carry no interest. The chargeable days
+   are iv_days minus 3. If this value is negative, the chargeable days are 0.
+3. The whole amount uses one annual interest rate. The rate depends on the
+   amount:
+   - amount up to and including 1,000.00: 12.00 per cent
+   - amount up to and including 5,000.00: 10.00 per cent
+   - amount up to and including 20,000.00: 8.00 per cent
+   - amount above 20,000.00: 6.50 per cent
+4. If iv_segment is 'B', subtract 2.00 percentage points from the rate. The
+   rate never falls below 5.00 per cent. Every other value of iv_segment
+   leaves the rate unchanged.
+5. The interest is the exact value of
+   amount * (rate / 100) * (chargeable days / 360).
+   Do not round intermediate results. Round only the final interest to 2
+   decimals. Round half away from zero.
+6. If the rounded interest is greater than 0.00 and less than 5.00, the
+   interest is 5.00.
+7. Return the interest.
+
+# 6. Constraints
+- Release target: 7.02. The code must pass the 7.02 syntax check. Do not use
+  language elements that are newer than release 7.02. Examples of forbidden
+  elements are inline declarations, constructor expressions and table
+  expressions.
+- Coding standards: Clean ABAP. Methods below 40 statements. No global
+  variables.
+- Out of scope: do not change {{P}}IF_OVERDRAFT.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- The hidden tests pass.
+- Write your own ABAP Unit tests for the class.