- CanStart(): Check if all registered participants have joined, not based on T/N
- AddParticipant(): Keep N as max limit (API handles T vs T+1 validation)
- AllPartiesReady(): Check all registered participants, not based on T/N
- This approach works for both co-managed (T parties) and persistent (T+1 parties) signing
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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