merge: chore/cleanup-remove-bloat-and-secrets into main

app/domain/labels/sources/mbal.py

@@ -0,0 +1,31 @@
+"""
+MBAL query adapter for the federated label API.
+
+Implements the MBAL source API for the federated label system.
+
+Usage (called by federated.py):
+    labels = await query_mbal("0x...", "ethereum")
+
+Pattern: async function that returns list[Label]
+"""
+
+from typing import List
+
+from app.domain.labels.models import Label
+from app.domain.labels.sources.mbal_source import get_mbalsy_service
+
+
+async def query_mbal(address: str, chain: str) -> List[Label]:
+    """
+    Query MBAL for labels for an address.
+    
+    Args:
+        address: The wallet address to look up
+        chain: The blockchain network (ethereum, bitcoin, etc.)
+        
+    Returns:
+        List of labels from MBAL
+    """
+    # Get or initialize the MBAL service
+    service = get_mbalsy_service()
+    return await service.get_labels(address, chain)