[WIP] Add hive.kind attribute to Hive traces

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>OTEL spans for Hive Traces should include hive.kind attribute</issue_title>
<issue_description>Hive Console ingestor process traces better when hive.kind attribute is set on the traces. Hive Router sends it, but Gateway doesn't.

Specification: https://www.notion.so/theguildoss/Tracing-2ceb6b71848a80779e94e7514284b2f4?source=copy_link </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes OTEL spans for Hive Traces should include hive.kind attribute #2010

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