docs(ast): document JSDocUnknownType

[overlookmotel]

I wasn't sure what this AST node is when implementing ESTree AST in oxlint plugins. Document it.

[overlookmotel]

• docs(ast): document JSDocUnknownType #13973 👈 (View in Graphite)
• main

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[Copilot]

Pull Request Overview

Documents the JSDocUnknownType AST node to clarify its purpose for consumers implementing ESTree-compatible ASTs.

• Adds a doc comment describing the JSDoc unknown type
• No functional or behavioral code changes

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[overlookmotel]

Merge activity

• Sep 21, 1:13 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Sep 21, 2:59 PM UTC: overlookmotel added this pull request to the Graphite merge queue.
• Sep 21, 3:08 PM UTC: Merged by the Graphite merge queue.

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13973 will not alter performance

_{Comparing 09-21-docs_ast_document_jsdocunknowntype_ (af8473a) with main (4543712)¹}

Summary

✅ 37 untouched

Footnotes

1. No successful run was found on main (af8473a) during the generation of this report, so 4543712 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩