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  "title": "Improve NamedArray typing",
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  "debrief": "OpenAI Codex, in stanford-crfm/haliax, implements a richer NamedArrayAxes representation and parsing, adding prefix, suffix, and infix ellipsis support to NamedArray typing, plus runtime checks and docs. The change spans nine files across three commits, with 480 additions and 48 deletions. It merged clean with no changes requested, after 51.63 hours.",
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  "body_excerpt": "## Summary\n- implement richer NamedArrayAxes representation and parsing\n- support prefix, suffix and infix ellipsis in NamedArray typing\n- allow unordered specs with ellipsis\n- expose runtime checks and document usage\n- add tests and docs for new typing syntax\n- refine type annotations with NamedArr",
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   "title": "Add tests for MoELinear",
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   "agent": "openai-codex",
   "state": "merged",
   "title": "Add named bincount",
   "number": 184,
   "outcome": "merged_clean",
   "index_ok": true,
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   "deletions": 1,
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   "state": "merged",
   "title": "Document haliax.vmap usage",
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   "additions": 33,
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   "merged_at": "2025-07-27T06:44:32+00:00",
   "opened_at": "2025-07-27T06:41:28+00:00",
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 ],
 "pr_url": "https://github.com/stanford-crfm/haliax/pull/142",
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