### What problem does this PR solve?
HTTP API documentation incorrectly refers `agent_name` as `name` instead
of `title`. This PR updates that documentation with the correct terms.
As per the codebase, the GET request for listing agents is accepting
`title` as a parameter:
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| .. | ||
| _category_.json | ||
| glossary.mdx | ||
| http_api_reference.md | ||
| python_api_reference.md | ||
| supported_models.mdx | ||