Pipeline controller: plan 2 (hard +, error +50 %), backlog throttle, 2 trajectory workers, stop rules, summaries every 50; budget reserve

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

tasks_gen/train/G1014/spec.md

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+# 1. Goal
+A picture framing shop prices a frame for a customer. The shop measures the
+picture in centimetres and selects a moulding and a glass type. A checkout
+program calls one method for each frame order and needs the total price.
+
+The class {{P}}FRAME_PRICER in package $TMP already does this. The code is hard
+to read and hard to maintain. Refactor the class. The behavior stays the same.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- The class {{P}}FRAME_PRICER exists in package $TMP. It is active.
+- The class is public, final, and has a public constructor without parameters.
+- The class has the public types TY_MOULDING (CHAR 1), TY_GLASS (CHAR 1) and
+  TY_AMOUNT (packed number with 2 decimal places).
+- The class has one public method CALCULATE_PRICE with the importing parameters
+  IV_WIDTH_CM, IV_HEIGHT_CM, IV_MOULDING, IV_GLASS and IV_QUANTITY and the
+  returning parameter RV_PRICE.
+- The current implementation contains the complete calculation. Read it.
+
+# 4. Contract
+- Refactor the class {{P}}FRAME_PRICER in package $TMP.
+- Keep the class name, the class properties and the complete public interface.
+- Do not add, remove or rename public methods, public types or parameters.
+- The method CALCULATE_PRICE returns the same value as before for every input.
+
+# 5. Business rules
+- The behavior of the class stays the same. Every input combination that the
+  current implementation accepts must produce the same result.
+- The rules of the calculation are in the current implementation of the class.
+  Read them there.
+- The hidden tests check the behavior with valid and invalid input values.
+
+# 6. Constraints
+- Release target: 8.16.
+- Coding standards: Clean ABAP. Each method has less than 40 statements. Use
+  local variables instead of attributes. Use constants instead of magic
+  numbers. Use modern ABAP statements and modern comparison operators. Give
+  each method one clear task. Do not change the public interface.
+- Out of scope: do not create other objects. Do not change any other object in
+  package $TMP.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- The hidden tests pass.
+- The class has no ATC priority 1 or priority 2 finding.
+- Write your own ABAP Unit tests for the class.