Generator: pilot analysis and fixes; G0002-G0021 tasks; handover notes merged

- Static bundle checks (name length, seed type, reserved words, contract test classes,
  testclasses_file), local abaplint parser check before SAP, max_tokens, robust JSON parse
- Runner: G2 for CDS views with parameters, contract_check detail in report
- G0020 and G0013 fixed by review and revalidated (oracle 100, null 0)
- Pilot results in docs/faz1-tasarim.md 11e; handover notes merged into CLAUDE.md and docs

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

tasks_gen/eval/G0010/spec.md

@@ -0,0 +1,70 @@
+# 1. Goal
+A warehouse planner checks if the free stock covers the requirements of a
+production run. The planner sends a list of stock items and a list of
+requirements to a class. The class returns one result row for each requirement.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- The interface {{P}}IF_STOCK_COVER exists in package $TMP. It is active.
+- The interface contains the types TY_MATERIAL (CHAR 18), TY_PLANT (CHAR 4),
+  TY_QUANTITY (PACKED 13, 3) and TY_STATUS (CHAR 10).
+- The interface contains the structures TY_STOCK_ITEM, TY_REQUIREMENT and
+  TY_RESULT and the table types TT_STOCK_ITEM, TT_REQUIREMENT and TT_RESULT.
+- The interface contains the constant structure C_STATUS with the values OK,
+  SHORT and INVALID.
+- The interface has the method CHECK. It imports a stock table and a requirement
+  table and returns a result table.
+- The interface has the method SHORTAGES. It imports a result table and returns a
+  result table.
+
+# 4. Contract
+- Create the class {{P}}STOCK_COVER_CHECKER in package $TMP.
+- The class is public and final.
+- The class implements {{P}}IF_STOCK_COVER.
+- Do not add other public methods.
+- The hidden tests create the class with NEW {{P}}STOCK_COVER_CHECKER( ).
+
+# 5. Business rules
+
+## Stock
+1. Each stock item has a material, a plant and a quantity. Ignore every stock
+   item whose quantity is less than zero.
+2. Sum the quantities of the remaining stock items for each combination of
+   material and plant. This sum is the free stock of the material and plant.
+3. Compare material and plant without regard to case. Remove all blanks before
+   you compare them.
+
+## Requirements
+4. Process the requirements in the given sequence. The result contains one row
+   for each requirement in the same sequence.
+5. The available quantity of a requirement is the free stock of its material and
+   plant at the time of the requirement. If no stock exists for the material and
+   plant, the available quantity is 0.
+6. If the required quantity is less than or equal to 0, the status is INVALID.
+   The requirement does not use free stock. The shortage is 0.
+7. Else if the available quantity is greater than or equal to the required
+   quantity, the status is OK. The shortage is 0. The requirement uses the
+   required quantity of the free stock.
+8. Else the status is SHORT. The requirement uses all free stock. The shortage is
+   the required quantity minus the available quantity.
+
+## Result
+9. A result row contains the material and the plant of the requirement without a
+   change, the required quantity, the available quantity, the shortage and the
+   status.
+10. The method SHORTAGES returns all rows of the result table whose status is
+    SHORT. Sort these rows by material in ascending order and then by plant in
+    ascending order. The result can be empty.
+
+# 6. Constraints
+- Release target: 8.16 (SAP_BASIS 816).
+- Coding standards: Clean ABAP. Method length below 40 statements. No global
+  variables. No comment that restates the code.
+- Out of scope: do not change {{P}}IF_STOCK_COVER.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- The hidden tests pass.
+- Write your own ABAP Unit tests for the class.