Method renew

crates/openshell-server/src/compute/lease.rs:170–197

Renew the lease by CAS-writing the same payload to bump `updated_at_ms` and `resource_version`.

(&self, guard: &mut LeaseGuard)

    /// Renew the lease by CAS-writing the same payload to bump
    /// `updated_at_ms` and `resource_version`.
    pub async fn renew(&self, guard: &mut LeaseGuard) -> Result<(), LeaseError> {
        let payload = LeasePayload {
            holder: self.replica_id.clone(),
            acquired_at_ms: guard.acquired_at_ms,
        };
        let payload_bytes =
            serde_json::to_vec(&payload).map_err(|e| PersistenceError::Encode(e.to_string()))?;

        match self
            .store
            .put_if(
                LEASE_OBJECT_TYPE,
                LEASE_SINGLETON_ID,
                LEASE_SINGLETON_NAME,
                &payload_bytes,
                None,
                WriteCondition::MatchResourceVersion(guard.resource_version),
            )
            .await
        {
            Ok(result) => {
                guard.resource_version = result.resource_version;
                Ok(())
            }
            Err(PersistenceError::Conflict { .. }) => Err(LeaseError::Conflict),
            Err(e) => Err(LeaseError::Store(e)),
        }
    }

    /// Release the lease so a standby replica can acquire immediately
    /// without waiting for TTL expiry.