fix: cast ChunksTuple elements to int at consumer sites in array.py

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: d-v-b

src/zarr/core/array.py

@@ -478,7 +478,7 @@ async def _create(
                 outer_chunks = guess_chunks(shape, item_size)
             else:
                 outer_chunks = normalize_chunks_nd(_raw, shape)
-            _chunks = tuple(dim[0] for dim in outer_chunks)
+            _chunks = tuple(int(dim[0]) for dim in outer_chunks)
 
             if order is None:
                 order_parsed = config_parsed.order
@@ -4462,7 +4462,7 @@ async def init_array(
         meta = AsyncArray._create_metadata_v2(
             shape=shape_parsed,
             dtype=zdtype,
-            chunks=tuple(dim[0] for dim in outer_chunks),
+            chunks=tuple(int(dim[0]) for dim in outer_chunks),
             dimension_separator=chunk_key_encoding_parsed.separator,
             fill_value=fill_value,
             order=order_parsed,
@@ -4481,7 +4481,7 @@ async def init_array(
         grid = create_chunk_grid_metadata(outer_chunks)
         codecs_out: tuple[Codec, ...]
         if inner is not None:
-            inner_chunks_flat = tuple(dim[0] for dim in inner.outer_chunks)
+            inner_chunks_flat = tuple(int(dim[0]) for dim in inner.outer_chunks)
             index_location = None
             if isinstance(shards, dict):
                 index_location = ShardingCodecIndexLocation(shards.get("index_location", None))