fix(OpenEnv): restore missing positional arguments to _build_observation calls (regression fix)

environment.py

@@ -120,6 +120,8 @@ class TeamForgeEnv:
         # Build initial observation
         self._obs = self._build_observation(
             action_type=None,
+            status=ActionStatus.SUCCESS,
+            output="Environment initialized.",
             reward=0.1,
             done=False,
         )
@@ -397,6 +399,8 @@ class TeamForgeEnv:
         self._log(f"[END] {reason}")
         self._obs = self._build_observation(
             action_type=None,
+            status=ActionStatus.FAILURE,
+            output=reason,
             reward=0.1,
             done=True,
         )