Phoenix llms.txt Maintenance

docs/phoenix/llms.txt is the machine-readable documentation index for Phoenix, following the llmstxt.org specification. AI agents, coding assistants, and the px docs fetch CLI all consume this file.

Format

Standard markdown links per the llmstxt.org spec:

- [Title](https://arize.com/docs/phoenix/path/to/page): Action-oriented description of what the page teaches

Sections use ## headings, subsections use ###. Subsections inherit their parent section.

Coverage rules