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/G1026/spec.md

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+# 1. Goal
+A security company bills its clients for guard shifts. The billing program calls
+one function module for each shift. The function module calculates the fee of
+the shift.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Function group {{P}}FG_GUARD exists in package $TMP.
+- Function module {{P}}GUARD_SAMPLE exists in this function group. It is the
+  sample module. The billing program calls all shift modules with the same
+  interface.
+
+# 4. Contract
+- Create the function module {{P}}GUARD_FEE in function group {{P}}FG_GUARD.
+- Use exactly the interface of {{P}}GUARD_SAMPLE: the same parameter names,
+  parameter kinds, types and exceptions.
+
+# 5. Business rules
+1. If iv_hours is less than or equal to 0, raise the exception INVALID_HOURS.
+   Do not change cv_fee.
+2. Set ev_surcharge to false.
+3. Shift type DAY: the fee is iv_hours multiplied by 25.50.
+4. Shift type NIGHT: the fee is iv_hours multiplied by 25.50 multiplied by 1.25.
+   Set ev_surcharge to true.
+5. Shift type HOLIDAY: the fee is iv_hours multiplied by 25.50 multiplied by
+   2.00. Set ev_surcharge to true.
+6. Any other shift type: the fee is 0. Rules 7 and 8 do not apply.
+7. For the shift types DAY, NIGHT and HOLIDAY, round the fee half up to 2
+   decimal places.
+8. If the fee of rule 7 is less than 50.00, set the fee to 50.00.
+
+# 6. Constraints
+- Release target: 7.02. Use only syntax that release 7.02 supports.
+- Package $TMP. Do not use transports.
+- Out of scope: do not change {{P}}GUARD_SAMPLE.
+- Do not use application tables.
+
+# 7. Acceptance
+- The function module {{P}}GUARD_FEE is active and has no syntax error.
+- The hidden tests pass.
+- Write ABAP Unit tests for the function module in a global test class.