[verified] fix: preserve tracker precision eligibility

tests/test_meshnet_sdk.py

@@ -14,9 +14,13 @@ def test_sdk_support_helpers_are_deterministic_without_network():
     "Non-socket coverage for SDK-facing gateway/tracker helper behavior.\n\nTags: gateway, http, sdk"
 
     address = _payment_address_for_api_key("sdk-key")
+    # Registration always resolves a precision, so a registry node carries one;
+    # coverage counts only nodes that can actually serve the layers they claim.
     nodes = [
-        _NodeEntry("a", "http://node-a", 0, 15, "stub-model", None, {}, None, 1.0),
-        _NodeEntry("b", "http://node-b", 16, 31, "stub-model", None, {}, None, 1.0),
+        _NodeEntry("a", "http://node-a", 0, 15, "stub-model", None, {}, None, 1.0,
+                   quantization="bfloat16"),
+        _NodeEntry("b", "http://node-b", 16, 31, "stub-model", None, {}, None, 1.0,
+                   quantization="bfloat16"),
     ]
 
     assert 32 <= len(address) <= 44