feat(graphql): add member detail to Me type

Me query now returns full member profile, reducing 2 queries
(me + member(id)) to 1. Frontend can load all user data in
a single GraphQL request.

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

Author: ImTotem

src/bcsd_api/member/resolvers.py

@@ -86,4 +86,9 @@ def resolve_tracks(info: Info[GqlContext, None]) -> list[str]:
 
 def resolve_me(info: Info[GqlContext, None]) -> MeType:
     user = require_user(info.context)
-    return MeType(id=user["sub"], email=user["email"])
+    detail = service.get_member(info.context.member_repo, user["sub"])
+    return MeType(
+        id=user["sub"],
+        email=user["email"],
+        member=_to_detail(detail),
+    )

src/bcsd_api/member/types.py

@@ -33,6 +33,7 @@ class FiltersType:
 class MeType:
     id: str
     email: str
+    member: MemberDetailType
 
 
 @strawberry.type