Fix calculator instance auth header to X-Hub-Token.

Market info fetch was rejected by instances because it sent the wrong bridge token header; align with hub monitor calls.

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

hub_calculator_market_lib.py

@@ -168,9 +168,9 @@ def list_calculator_exchanges() -> list[dict[str, Any]]:
 def _hub_headers() -> dict[str, str]:
     import os
 
-    token = (os.getenv("HUB_BRIDGE_TOKEN") or "").strip()
+    token = (os.getenv("HUB_BRIDGE_TOKEN") or os.getenv("CONTROL_TOKEN") or "").strip()
     if token:
-        return {"X-Hub-Bridge-Token": token}
+        return {"X-Hub-Token": token}
     return {}