[Ethereum] Spark Liquidity Layer - Onboard OUSD mint and redeem

Summary

[Ethereum] Spark Liquidity Layer - Onboard OUSD mint and redeem - October 26, 2026 Spark's Operational Facilitator has placed a proposal into the voting system on behalf of nested contributor Phoenix Labs. ## Review The Spark community can hereby express support or opposition to the following changes: - Onboard primary mint and redeem of OUSD for the Spark Liquidity Layer through two Bridge deposit addresses held for...