Fix coverage with several contract classes; table annotation and file path checks; clean task dir on write

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0128/spec.md

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+# 1. Goal
+
+A rostering system assigns pilots to flight duties. Before the system confirms an
+assignment, it calls one check. The check rejects the assignment with a reason if
+the pilot may not fly the duty. The system needs one exception for each reason.
+
+# 2. Open questions
+None.
+
+# 3. Context
+
+- All objects are in package $TMP.
+- The check uses only the data that the caller passes. It does not read a database.
+- The caller fills the structure TY_DUTY and calls the method CHECK.
+
+# 4. Contract
+
+## 4.1 Class {{P}}CREW_DUTY_CHECK
+
+- Package $TMP. The class is public, final and create public.
+- The class can be created without parameters.
+- Public type TY_HOURS: packed number, length 4, 1 decimal place.
+- Public type TY_DUTY, a structure with these components:
+
+  | Component | Type |
+  | --- | --- |
+  | CREW_ID | c LENGTH 10 |
+  | LICENCE_VALID | abap_bool |
+  | TYPE_RATING | c LENGTH 4 |
+  | AIRCRAFT_TYPE | c LENGTH 4 |
+  | REST_HOURS | ty_hours |
+  | DUTY_HOURS | ty_hours |
+  | MONTH_HOURS | ty_hours |
+
+- Public method CHECK:
+  - IMPORTING is_duty TYPE ty_duty
+  - RAISING {{P}}CX_LICENCE_INVALID, {{P}}CX_RATING_MISSING,
+    {{P}}CX_REST_TOO_SHORT, {{P}}CX_DUTY_TOO_LONG, {{P}}CX_MONTH_LIMIT
+  - The method has no return value.
+
+## 4.2 Exception classes
+
+Create these five classes in package $TMP. Each class is public, final, create public
+and inherits from CX_STATIC_CHECK.
+
+{{P}}CX_LICENCE_INVALID
+- No own components.
+
+{{P}}CX_RATING_MISSING
+- Public type TY_RATING: character, length 4.
+- Public read-only attributes MV_REQUIRED and MV_HELD, type TY_RATING.
+- Public constructor with importing parameters IV_REQUIRED and IV_HELD, type TY_RATING.
+  The constructor copies IV_REQUIRED to MV_REQUIRED and IV_HELD to MV_HELD.
+
+{{P}}CX_REST_TOO_SHORT
+- Public type TY_HOURS: packed number, length 4, 1 decimal place.
+- Public read-only attribute MV_REST_HOURS, type TY_HOURS.
+- Public constructor with importing parameter IV_REST_HOURS, type TY_HOURS.
+  The constructor copies IV_REST_HOURS to MV_REST_HOURS.
+
+{{P}}CX_DUTY_TOO_LONG
+- Public type TY_HOURS: packed number, length 4, 1 decimal place.
+- Public read-only attribute MV_DUTY_HOURS, type TY_HOURS.
+- Public constructor with importing parameter IV_DUTY_HOURS, type TY_HOURS.
+  The constructor copies IV_DUTY_HOURS to MV_DUTY_HOURS.
+
+{{P}}CX_MONTH_LIMIT
+- Public type TY_HOURS: packed number, length 4, 1 decimal place.
+- Public read-only attribute MV_TOTAL_HOURS, type TY_HOURS.
+- Public constructor with importing parameter IV_TOTAL_HOURS, type TY_HOURS.
+  The constructor copies IV_TOTAL_HOURS to MV_TOTAL_HOURS.
+
+# 5. Business rules
+
+The method CHECK applies these rules in this sequence. It raises the exception of the
+first rule that fails and stops. If no rule fails, the method returns to the caller.
+
+1. Licence. If is_duty-licence_valid is not abap_true, raise {{P}}CX_LICENCE_INVALID.
+2. Type rating. If is_duty-type_rating is not equal to is_duty-aircraft_type, raise
+   {{P}}CX_RATING_MISSING. Pass is_duty-aircraft_type as IV_REQUIRED and
+   is_duty-type_rating as IV_HELD.
+3. Rest. If is_duty-rest_hours is less than 10.0, raise {{P}}CX_REST_TOO_SHORT.
+   Pass is_duty-rest_hours as IV_REST_HOURS.
+4. Duty period. If is_duty-duty_hours is greater than 13.0, raise
+   {{P}}CX_DUTY_TOO_LONG. Pass is_duty-duty_hours as IV_DUTY_HOURS.
+5. Monthly hours. Add is_duty-month_hours and is_duty-duty_hours. If the sum is
+   greater than 100.0, raise {{P}}CX_MONTH_LIMIT. Pass the sum as IV_TOTAL_HOURS.
+
+# 6. Constraints
+
+- Release target: SAP_BASIS 8.16.
+- Coding standards: Clean ABAP. Methods below 40 statements. No global variables.
+  No comment that restates the code.
+- Out of scope: database tables, message classes, reports, function modules, dynpros.
+
+# 7. Acceptance
+
+- The six classes are active and have no syntax error.
+- The hidden tests pass.
+- Write your own ABAP Unit tests for the class {{P}}CREW_DUTY_CHECK.