Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1947/spec.md

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+# 1. Goal
+A service company records its service jobs. The company needs one reusable line
+type for a service job. The line type is a DDIC structure. The company also
+needs a small base structure for the audit fields of its business objects.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- Several programs and one OData service use the service job line type.
+- The line type is a DDIC structure. It is not a database table.
+- The base structure is a DDIC structure too.
+- The company keeps the audit fields in the base structure, so that all of its
+  business objects use the same audit fields.
+
+# 4. Contract
+- Create the DDIC structure {{P}}SVC_BASE in package $TMP.
+- Create the DDIC structure {{P}}SVC_JOB in package $TMP.
+- Fields of {{P}}SVC_BASE, in this order:
+  - created_by : abap.char(12)
+  - created_on : abap.dats
+- Fields of {{P}}SVC_JOB, in this order:
+  - created_by : abap.char(12)
+  - created_on : abap.dats
+  - job_id : abap.char(10)
+  - work_hours : abap.dec(5,2)
+  - calc_mode : abap.char(2)
+  - order_ref : abap.char(12)
+  - service_date : abap.dats
+  - part_count : abap.int4
+  - group_code : abap.char(4)
+  - net_value : abap.dec(13,2)
+
+# 5. Business rules
+1. {{P}}SVC_JOB has exactly the ten fields of the contract, in the given order.
+2. The field names are the safe names of the contract. Do not use the words
+   hours, mode, order, date, count, group or value as a field name.
+3. The data type and the length of every field are exactly as in the contract.
+4. {{P}}SVC_BASE has exactly the two fields of the contract, in the given order.
+5. The first two fields of {{P}}SVC_JOB have the same name, data type and length
+   as the two fields of {{P}}SVC_BASE.
+
+# 6. Constraints
+- Release target: 8.16.
+- Coding standards: Clean ABAP.
+- Out of scope: do not create database tables.
+
+# 7. Acceptance
+- The structures are active and have no syntax error.
+- The hidden tests pass.
+- Write ABAP Unit tests with RTTI in a global test class.