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

app/domain/labels/sources/chainbase.py

@@ -0,0 +1,21 @@
+"""Chainbase source — placeholder, requires API key.
+
+TODO: add CHAINBASE_API_KEY to gopass + env. Free tier: 50K calls/month.
+
+For now returns []. Stub.
+"""
+from __future__ import annotations
+
+import logging
+
+from app.domain.labels.models import Label
+
+log = logging.getLogger(__name__)
+
+
+async def query_chainbase(address: str, chain: str = "ethereum") -> list[Label]:
+    """Query Chainbase for an address's labels.
+
+    Returns [] until CHAINBASE_API_KEY is configured.
+    """
+    return []