Hard batch G0022-G0026: 5/5 accepted; budget floor, CDS checks, mutation check

- generator: budget floor (2x oracle activations, 3x calls), static checks for CDS
  $parameters and UNION annotation
- harness/mutation.py: deterministic mutants of the reference; hidden tests must fail
- G0022 revalidated with harness fixes: oracle 100, null 0
- results in docs/faz1-tasarim.md 11f

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

tasks_gen/eval/G0025/generation.json

@@ -0,0 +1,19 @@
+{
+ "id": "G0025",
+ "pool": "eval",
+ "object_type": "DDLS",
+ "category": "B",
+ "attempts": [
+  {
+   "stage": "validate",
+   "oracle": 0,
+   "null": 0
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0
+  }
+ ],
+ "accepted": true
+}