Localize node editor labels and use local Docker build

fix: Hide number input spin buttons

feat: Add editable IRCA local band annotations

feat: Remove prep options from node editor palette

feat: Add nodes at last clicked canvas position

Add English Version

feat: Support workflow payloads and preview downloads

feat: Hide sidebar toggle when result panel is open

feat: Replace result node with analysis sidebar

feat: Fix frontend null safety and remove dead code

add backend code