fix(replay): serve admitted AI overlays without revalidation

src/k1link/compute/fusion_epoch.py

@@ -201,6 +201,19 @@ class RecordedPerceptionOverlayMux:
             recording_id=recording_id,
         )
 
+    def status(self, session_id: str, *, recording_id: str) -> dict[str, Any]:
+        primary_status = getattr(self.primary, "status", None)
+        if callable(primary_status):
+            value = primary_status(session_id, recording_id=recording_id)
+            if isinstance(value, dict):
+                return value
+        return {
+            "state": "idle",
+            "phase": "idle",
+            "elapsed_seconds": 0.0,
+            "byte_length": None,
+        }
+
 
 def validate_recorded_calibrated_fusion(
     job_root: Path,