Adding pagination to scopes page

app/services/scope_guide.py

@@ -35,7 +35,9 @@ async def build(
     The scope rows are narrowed by the scope-attribute filters (``description``
     matches the scope's description; the ``*_id`` filters match exactly).
     ``fits_part_type_id`` keeps only scopes that have at least one (non-``none``)
-    fit for that part type.
+    fit for that part type. Callers that paginate should slice ``rows``
+    themselves — this always returns the full filtered set, since
+    ``fits_part_type_id`` is a post-filter that can't be pushed into the DB query.
 
     Shape::