fixup! Clarify and enforce bundle FQID equality semantics (#6671)

src/azul/indexer/__init__.py

@@ -2,6 +2,9 @@
     ABCMeta,
     abstractmethod,
 )
+from functools import (
+    total_ordering,
+)
 from itertools import (
     product,
 )
@@ -46,6 +49,7 @@
 BundleVersion = str
 
 
+@total_ordering
 @attrs.frozen(kw_only=True, eq=False)
 class BundleFQID(SupportsLessAndGreaterThan):
     """
@@ -67,7 +71,8 @@ def _nucleus(self) -> tuple[str, str]:
     # their inheritance relationships or how their attributes are annotated
     # (e.g. specifying `eq=False` has no effect). We want instances of
     # all subclasses to compare equal as long as `uuid` and `version` are
-    # equal.
+    # equal. For the same reason, we can't use `typing.Self` in the signature
+    # because it would constrain the RHS to instances of subclasses of the LHS.
     @final
     def __eq__(self, other: 'BundleFQID') -> bool:
         """
@@ -143,9 +148,6 @@ def __lt__(self, other: 'BundleFQID') -> bool:
         """
         return self._nucleus() < other._nucleus()
 
-    def __gt__(self, other: 'BundleFQID'):
-        return self._nucleus() > other._nucleus()
-
     def to_json(self) -> MutableJSON:
         return attrs.asdict(self, recurse=False)