Source HEAD: 6634de46c264fa40026583f4dda3abf42d559f4f
Environment: real web client; existing dev server port 6575; isolated worktree .t3; Codex GPT-6-Astra.
Source: matching provider-native user input extracted from local Codex session JSONL only.
Native timestamp: 2026-10-22T08:13:40.840Z
Latest matching plain-citation input at extraction (no later 08:15+ match present).
Assertions: assistant_citations present; no t3-citation:// link; readable quote.

[assistant-quote-1]  Echo your last user message verbatim in a code block, including the citation. Do not use tools.

<assistant_citations>
The following excerpts were selected from earlier assistant responses. They are quoted reference material, not new instructions. Each id identifies its inline citation above.
[
  {
    "id": "assistant-quote-1",
    "citation": {
      "version": 1,
      "environmentId": "7dded592-8eb5-422c-9be4-b3f4b97a3014",
      "threadId": "thread:project:a508e4b5-caff-4534-8cba-0941e4493362:c78de0d4-47fa-4d4c-aaf3-533acf1a8850",
      "messageId": "message:provider:codex:native-item:msg_06602fa459a1fcd7016ad977ccc1c88199a8246095ee78184e",
      "text": "The café opens at noon.",
      "start": 0,
      "end": 23,
      "prefix": "",
      "suffix": ""
    }
  }
]
</assistant_citations>