Reject unsupported Spark Name operations

[reubenyap]

What changed

• Rejects non-registration operation types in the vendored Spark Name serializer.
• Adds serialization and deserialization regression coverage.

Why

The mobile layout is intentionally registration-only. Accepting operation type 1 would otherwise emit or partially decode a transfer payload without its required transfer fields.

Related

• [codex] Add Spark Name v2 registration payload support sparkmobile#10

[codeant-ai]

🤖 CodeAnt AI — Review Status

Status	Commit	Started (UTC)	Finished (UTC)
✅ Reviewed your PR	8f4e016	Jul 23, 2026 · 13:14	13:18

_{Updated in place by CodeAnt AI · last 5 reviews}

[codeant-ai]

User description

What changed

• Rejects non-registration operation types in the vendored Spark Name serializer.
• Adds serialization and deserialization regression coverage.

Why

The mobile layout is intentionally registration-only. Accepting operation type 1 would otherwise emit or partially decode a transfer payload without its required transfer fields.

Related

• [codex] Add Spark Name v2 registration payload support sparkmobile#10

---

CodeAnt-AI Description

Reject unsupported Spark Name operation types

What Changed

• Spark Name data now rejects operation types other than registration when saving or reading a v2 payload.
• Added regression tests that cover unsupported versions and unsupported operation types in both directions.

Impact

✅ Fewer invalid Spark Name payloads
✅ Clearer errors when opening unsupported names
✅ Safer Spark Name import and export

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