* feat(tunnel): add OpenVPN tunnel provider
Add OpenVPN as a new tunnel provider alongside cloudflare, tailscale,
ngrok, and custom. Includes config schema, validation, factory wiring,
and comprehensive unit tests.
Co-authored-by: rareba <rareba@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* fix: add missing approval_manager field to ChannelRuntimeContext constructors
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: rareba <rareba@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
