perf: phased codecpipeline

.claude/settings.json

@@ -0,0 +1,33 @@
+{
+  "permissions": {
+    "allow": [
+      "WebFetch(domain:api.github.com)",
+      "Read(//home/d-v-b/dev/zarr-python/**)",
+      "Read(//^async def |^def /**)",
+      "Bash(awk 'NR>=4630 && NR<=4640' src/zarr/core/array.py)",
+      "Read(//^async def /**)",
+      "Read(//home/**)",
+      "Bash(getent passwd:*)",
+      "Bash(uv --version)",
+      "Bash(UV_LINK_MODE=copy uv venv /home/d-v-b/dev/zarr-python/.venv --python 3.12)",
+      "Bash(mount)",
+      "Bash(findmnt /home/d-v-b)",
+      "Bash(/usr/bin/uv --version)",
+      "Bash(/usr/local/bin/uv --version)",
+      "Bash(command -v uv)",
+      "Bash(/home/d-v-b/.local/bin/uv --version)",
+      "Bash(/home/d-v-b/.local/bin/uv sync:*)",
+      "Bash(uvx pyright:*)",
+      "Bash(VIRTUAL_ENV= uvx ty check src/zarr/core/metadata/v3.py)",
+      "Bash(uvx pre-commit:*)",
+      "Bash(awk '/^    def resolve\\\\\\(/,/^    def [a-z_]/ {print NR\": \"$0}')",
+      "Bash(pytest tests/test_transforms/test_domain.py -v --tb=short)",
+      "Bash(jobs -l)",
+      "Bash(ps -p 843814 -o pid,stat,etime,pcpu,rss --no-headers)",
+      "Bash(pstree -p 843812)",
+      "Bash(ps --ppid 843814 --no-headers)",
+      "Bash(kill 843812)",
+      "Bash(wait)"
+    ]
+  }
+}

changes/3907.feature.md

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+Add protocols for stores that support byte-range-writes. This is necessary to support in-place writes of sharded arrays.

changes/3908.misc.md

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+Reuse a constant `ArraySpec` during indexing when possible.