Phase 5: widen search.high to 1.0 to force multi-iteration Stop-B convergence

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

configs/examples/dash0_qwen30b_a3b_stopB_e2e.json

@@ -1,5 +1,5 @@
 {
-  "study_id": "dash0-qwen30b-a3b-stopB-e2e-chat-0-8k",
+  "study_id": "dash0-qwen30b-a3b-stopB-e2e-hi-chat-0-8k",
   "hardware": {
     "gpu_count": 8,
     "gpu_model": "H20",
@@ -135,9 +135,9 @@
   },
   "search": {
     "low": 0.0,
-    "high": 0.125,
+    "high": 1.0,
     "tolerance": 0.001,
-    "max_probes": 4,
+    "max_probes": 6,
     "sample_seed": 20260325
   },
   "llm": {