Remove unused files

[bb220]

What changed

Removed unused docs/support files that are not referenced by the active Mintlify docs site or workflow:

• .env.example
• _snippets/snippet-example.mdx
• stale archived docs under archive/
• unlinked MDX pages under features/evaluations and running-requests
• yarn.lock

Kept style.css because it styles the active overview.mdx page.

Validation

Ran:

jq empty docs.json
jq empty openapi.json
mint broken-links
mint validate

Also ran mint dev --no-open and smoke-tested with Browser:

• http://localhost:3000/overview loaded.
• Navigated to http://localhost:3000/quickstart and confirmed the Quickstart page loaded.

Note: the first mint validate attempt hit the local Mintlify cache permission issue, then passed after allowing cache refresh.

[mintlify]

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Project	Status	Preview	Updated (UTC)
promptlayer	🟢 Ready	View Preview	May 19, 2026, 3:29 PM

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Add redirect for removed datasets page

Deleting this file removes the public route /features/evaluations/datasets, but this commit does not add a redirect to the replacement datasets docs (for example /features/evaluations/datasets-overview). That creates a user-facing 404 for existing bookmarks or external links and violates the repo’s URL-stability guideline in AGENTS.md (preserve URLs or include redirects).

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