The commit message should be: feat: Add ProveWitness and SyncVault RPCs This change adds two new RPCs to the DID module: 1. ProveWitness: An operation to prove the controller has a valid property using ZK Accumulators. 2. SyncVault: Synchronizes the controller with the Vault Motr DWN WASM Wallet. These new RPCs allow for more advanced DID management functionality.