major fixes for inventory

main.py

@@ -796,7 +796,7 @@ class TelemetrySnapshot(BaseModel):
     deaths: int
     total_deaths: Optional[int] = None
     # Removed from telemetry payload; always enforced to 0 and tracked via rare events
-    rares_found: int = 0
+    rares_found: Optional[int] = 0
     prismatic_taper_count: int
     vt_state: str
     # Optional telemetry metrics