Some hops only accept stelnet in system-view; make it a saved yes/no setting (default off) instead of auto-retry, and always ALTER the new column on API boot when Alembic skips legacy DDL.
Co-authored-by: Cursor <cursoragent@cursor.com>
Keep the public facade stable while moving device CRUD and sample/compare
logic into focused modules, and use naive UTC via timeutil plus FastAPI lifespan.
Co-authored-by: Cursor <cursoragent@cursor.com>
Keep thin facades for existing imports, tighten CSV import required columns, and restore Chinese WebCRT connection labels in status responses.
Co-authored-by: Cursor <cursoragent@cursor.com>