Enable WARP (SPED + SNAP), gated by the server - #1094
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Enables WARP on the client, negotiated with the SFU. SPED (DTLS-in-STUN) via the WebRTC-IceHandshakeDtls field trial set before factory creation, and SNAP (SCTP INIT in SDP) via enableSctpSnap on the default RTCConfiguration. When the server does not enable WARP nothing is advertised and the connection falls back to plain DTLS/SCTP, so there is no client side toggle. Mirrors rust-sdks #1342. Requires an m150 webrtc-xcframework release including webrtc-sdk/webrtc#283. Both Package.swift and Package@swift-6.2.swift pins (currently 144.7559.13) must be bumped before this builds.
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Enables WARP, negotiated with the SFU. SPED (DTLS-in-STUN) via the WebRTC-IceHandshakeDtls field trial, SNAP (SCTP INIT in SDP) via enableSctpSnap on the default configuration. Nothing engages unless the server enables warp, otherwise plain DTLS/SCTP. Mirrors livekit/rust-sdks#1342.
Blocked on an m150 webrtc-xcframework release including webrtc-sdk/webrtc#283, then both Package manifest pins need bumping.
Note: SPED re-enters the #929 crash surface that #1015 disabled. The m150 teardown path should be validated (or rust field data observed) before this lands. SNAP has no such history.
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