Make v1 harness max_turns unbounded by default (#1517)

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: mikasenghaas

docs/reference.md

@@ -1047,7 +1047,7 @@ class HarnessConfig(Config):
     bindings: BindingsConfig = BindingsConfig()
     objects: ObjectsConfig = ObjectsConfig()
     artifacts: ArtifactsConfig = ArtifactsConfig()
-    max_turns: int = 10
+    max_turns: int = -1  # <= 0 means unbounded (run until a stop condition)
 
 class ModelConfig(Config):
     name: str | None = None

verifiers/v1/harness.py

@@ -112,7 +112,7 @@ class HarnessConfig(LifecycleConfig):
     bindings: BindingsConfig = BindingsConfig()
     objects: ObjectsConfig = ObjectsConfig()
     artifacts: ArtifactsConfig = ArtifactsConfig()
-    max_turns: int = 10
+    max_turns: int = -1
 
     @classmethod
     def __pydantic_init_subclass__(cls, **kwargs: object) -> None: