chore: suppress noBannedTypes for antfly SDK boundary layer

The Function casts in antfly-store.ts are intentional — they isolate
the loosely-typed SDK API behind our own typed methods.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: prosdev

biome.json

@@ -32,6 +32,16 @@
       "linter": {
         "enabled": false
       }
+    },
+    {
+      "includes": ["**/vector/antfly-store.ts"],
+      "linter": {
+        "rules": {
+          "complexity": {
+            "noBannedTypes": "off"
+          }
+        }
+      }
     }
   ],
   "formatter": {