thinking-mode arm: enable_thinking + think-block splitting + think-closing force tail

calibration/run.py

@@ -75,6 +75,7 @@ def run_grid(
     strip_schema_legend=False,
     prose_legend=False,
     reasoning_note=False,
+    thinking=False,
 ):
     """Run every (model, budget) pair through harness.B.launch -- the unmodified
     extended path, only ``reasoning_budget`` varies -- on the operator's questions."""
@@ -89,12 +90,16 @@ def run_grid(
     plan = build_plan(models, budgets)
     for index, (model, budget) in enumerate(plan, start=1):
         print(f"=== calibration {index}/{len(plan)}: {model} @ {budget} tokens ===", flush=True)
-        variant = (
-            f"{budget}-reasoning" if reasoning_note
-            else f"{budget}-prose-legend" if prose_legend
-            else f"{budget}-no-legend" if strip_schema_legend
-            else budget
-        )
+        variant_parts = [str(budget)]
+        if thinking:
+            variant_parts.append("thinking")
+        if reasoning_note:
+            variant_parts.append("reasoning")
+        if prose_legend:
+            variant_parts.append("prose-legend")
+        elif strip_schema_legend:
+            variant_parts.append("no-legend")
+        variant = "-".join(variant_parts)
         harness_kwargs = {}
         if prose_legend:
             from harness.B.prompts import PROSE_LEGEND
@@ -116,6 +121,7 @@ def run_grid(
             question_ids=question_ids,
             strip_schema_legend=strip_schema_legend or prose_legend,
             reasoning_note=reasoning_note,
+            thinking=thinking,
             **harness_kwargs,
         )
 
@@ -164,6 +170,11 @@ def main():
         help="Thinking-with-Spatial-Code step-by-step note prefixed to the "
         "post-prompt; results land in a '<budget>-reasoning' sibling directory",
     )
+    parser.add_argument(
+        "--thinking", action="store_true",
+        help="enable native thinking mode (Qwen only); results land in a "
+        "'<budget>-thinking[...]' sibling directory",
+    )
     parser.add_argument("--rebuild", action="store_true")
     args = parser.parse_args()
 
@@ -203,6 +214,7 @@ def main():
             strip_schema_legend=args.strip_schema_legend,
             prose_legend=args.prose_legend,
             reasoning_note=args.reasoning_note,
+            thinking=args.thinking,
         )
     except ValueError as exc:
         parser.error(str(exc))