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Add Sberbank AST live adapter

fix: refresh frontend cache version

fix: open Alfalot lots on public showcase

feat: improve monitoring reliability and UI

fix: make filter panel independently scrollable

fix: explain protected site loading failures

feat: compress encrypted monitoring state

fix: handle remaining live auction variants

fix: keep daily auction updates resilient

feat: shard large auction sources

fix: refresh live platform contracts

feat: monitor ten bankruptcy auction platforms

fix: parse empty ATC period cells

fix: handle ATC gaps between price periods

fix: parse real ATC inline field rows

fix: bind ATC lots to structural headers

fix: support ATC single-subject lots

fix: collect dynamic ATC lot tables

chore: add safe ATC parse diagnostics