[Arbitrum] Spark Liquidity Layer - Bridge sUSDS to Arbitrum

Summary

[Arbitrum] Spark Liquidity Layer - Bridge sUSDS to Arbitrum - October 12, 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: Bridge 100,000,000 sUSDS from the Ethereum ALM Proxy to the Arbitrum ALM Proxy to replenish the inventory that the Arbitrum PSM3 sells. ### Required Context Spark's Arbitrum PSM3 sells sUSDS...