add cors

[samuelstroschein]

Note

Adds CORS support to the legacy /_rpc proxy.

• Validates origins (localhost, inlang.com, and subdomains); rejects others with 403
• Handles OPTIONS preflight with appropriate access-control-* headers and 204 response
• Sets CORS headers on proxied responses and safely merges vary header
• Cleans request headers (host, content-length) before forwarding to https://rpc.inlang.com/_rpc

^{Written by Cursor Bugbot for commit 8752c33. This will update automatically on new commits. Configure here.}

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Latest commit: 8752c33

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	inlang-website	8752c33	Commit Preview URL Branch Preview URL	Jan 10 2026, 01:08 AM

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