- Rename thresholdT/thresholdN to requiredSigners/totalParties in Create.tsx
- Add parameter conversion in main.ts: threshold_t = requiredSigners - 1
- In tss-lib, threshold t means t+1 parties needed to sign
- For 3-of-5: requiredSigners=3 → threshold_t=2 (t+1=3 signers)
- externalCount = requiredSigners (user parties)
- persistentCount = totalParties - requiredSigners (server parties)
- Backward compatible with legacy thresholdT/thresholdN format
BREAKING: Existing co-managed wallets need re-keygen with new params
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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