AX.25: XID/MDL responder + peer-capability cache — activates SREJ + v2.2-preferred connect - #63

Merged

M0LTE merged 7 commits into

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feat/xid-mdl-preconnect

Jul 12, 2026

Commits on Jul 12, 2026

xid: port the AX.25 v2.2 XID information-field TLV codec (byte-for-byte with C#)

Tom Fanning
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claude
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sdl: classify inbound XID/FRMR/TEST + add FrameSpec::Xid outbound

Tom Fanning
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claude
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sdl: MDL XID negotiator + pre-session XID responder (mirror C# MDL/listener)

Tom Fanning
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claude
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sdl: peer-capability cache + connect_planned dial-plan seam (mirror PeerCapabilityCache)

Tom Fanning
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claude
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sdl: prove SREJ activates via negotiated XID (out-of-sequence → SREJ)

Tom Fanning
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claude
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sdl: flip prefer_extended_connect default to true (match C# PreferExtendedConnect)

Tom Fanning
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claude
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vectors: add xid.json golden corpus + cross-stack XID codec golden test

Tom Fanning
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claude
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