Give Codex a memory contract.

{
  "mcpServers": {
    "bilinc": {
      "command": "python",
      "args": ["-m", "bilinc.cloud_mcp"],
      "env": { "BILINC_API_KEY": "bil_live_..." }
    }
  }
}

Before changing code, recall Bilinc memory for this repo.
Do not save secrets.
After the sprint, commit durable outcomes, verification commands, files changed, and caveats.