The Supervisor's /core/api proxy previously only supported GET and POST
methods, returning 405 Method Not Allowed for DELETE requests. This
prevented addons from calling Home Assistant Core REST API endpoints
that require DELETE methods, such as deleting automations, scripts,
or scenes.
The underlying proxy implementation already supported passing through
any HTTP method via request.method.lower(), so only the route
registration was needed.
Fixes#6509
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
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