* fix(proxy): restrict vector store index create/delete to proxy admins
Prevent non-admin API keys from registering indexes via POST /v1/indexes or deleting Azure AI Search indexes through managed pass-through routes.
Co-authored-by: Cursor <cursoragent@cursor.com>
* fix(proxy): tighten vector store index lifecycle checks
Co-authored-by: Cursor <cursoragent@cursor.com>
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Co-authored-by: Cursor <cursoragent@cursor.com>