[Ethereum] SparkLend - Add LBTC to Oracle Kill Switch

# [Ethereum] SparkLend - Add LBTC to Oracle Kill Switch - January 5, 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, as described by the author of the proposal: > SparkLend accepts Lombard LBTC as a core collateral assets. In 2024, Spark introduced an [oracle kill switch...