fix(solana): ClearSign the live poker session flow

[BitHighlander]

Summary

• certify exact captured enter_poker_tournament, authorize_session, and set_ready instructions
• display session key and absolute expiry on-device
• add the three live transactions as regression fixtures across Vault matcher and Worker discovery
• document a safe path to server-delivered definitions using an offline-signed catalog manifest

Verification

• 83 targeted tests pass
• bunx tsc --noEmit --pretty false
• git diff --check