[finnwasabi]

Docs only. Records a lead on the undecoded identity bytes 7-8: the vendor's readDps() reads a shell colour for the Zero 29 (model code 0x06) and for no other model.

What the vendor code does

From the port in oexi/incott-driver-desktop (src/protocol/device.js, MIT; its tests diff every report against the vendor's original JavaScript):

if (r[2] === 6) {                     // model code 0x06, Zero 29
  const i1 = this.iswireless ? 6 : 5;
  this.isPink = r[i1] === 2;
}

r[n] is frame[n+1], so the flag is frame byte 7 behind the receiver and byte 6 on the cable, and 0x02 selects the pink product render and button diagrams.

Evidence and limits

• Source reading only. Not read on a Zero 29, and incottDecodeIdentity is unchanged.
• For contrast, a white G23 Pro reads 00 in both positions (09 8f 01 02 00 f1 00 00 00 cable, 09 8f 01 02 02 f0 f1 00 02 dongle; reports in test(incott): verify model code 0x02 on an original G23 Pro #261), consistent with the vendor reading no colour for other models.

Changes

• docs/incott-testing.md: a "Shell colour: Zero 29 only" subsection under model identification, and a pointer to it from the bytes 7-8 item in "Unresolved unknowns".

Related: #261, #267.

Note

Document Zero 29 shell colour byte in incott testing notes

Adds documentation to incott-testing.md on the vendor's model-specific shell colour check for the Zero 29, including wireless and wired byte offsets and the pink-shell value. Notes that this behaviour is unverified on a Zero 29 and not implemented in incottDecodeIdentity. Also records white G23 Pro example replies.

^{Macroscope summarized 4401637.}

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[macroscopeapp]

Approvability

Verdict: Approved at 4401637

Macroscope's review found this PR approvable — Records the Zero 29 shell-colour byte mapping and clearly states its verification limits. The change is documentation-only and does not alter driver behavior.

Notes:

• Your repo's Minimum Blocking Severity is Off, so correctness findings do not automatically block approval.

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[github-actions]

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