Server: add filter/search/pagination to admin list endpoints, enrich
user/device queries with JOINs and subqueries, prevent duplicate active
subscriptions on creation.
Admin console: fix record page TypeError on numeric record_id, correct
mode comparison (integer vs string), fix device detail field names and
command opcode, remove hardcoded login credentials, wire up dead buttons
(unbind, view logs, export), fix user/subscription field mappings.
Miniprogram: fix subscription status string/number mismatches across
index/treatment-setup/profile pages, fix device name field reference,
fix treatment-done null device_id by capturing at onLoad.
Guoguo
6201b97fcd