feat: compact durable logs and refine framework routing

modelhub_submmit_api/routing_engine.py

@@ -138,6 +138,20 @@ class SuccessFirstRoutingEngine:
 
         selected: list[dict[str, Any]] = []
         for routes in by_model.values():
+            # The platform permits some transformers submissions only after a
+            # non-transformers attempt has failed.  Prefer an immediately
+            # executable route whenever one exists; transformers remains a
+            # fallback for tasks/models with no other official route.
+            non_transformers = [
+                item for item in routes if str(item.get("framework") or "").casefold() != "transformers"
+            ]
+            transformers_unlocked = any(
+                bool(item.get("transformersPrerequisiteSatisfied"))
+                for item in routes
+                if str(item.get("framework") or "").casefold() == "transformers"
+            )
+            if non_transformers and not transformers_unlocked:
+                routes = non_transformers
             best = max(float(item["routingSuccessLowerBound"]) for item in routes)
             close = [item for item in routes if best - float(item["routingSuccessLowerBound"]) <= 0.05]
             close.sort(