# Subsystem: browser_sync_extension

## browser_sync_extension/background.js
- Layer: infrastructure
- Language: js
- Symbols:
  - `config` (function, line 8)
  - `domainAllowed` (function, line 18)
  - `highEntropyHints` (function, line 30)
  - `sanitizeHeader` (function, line 64)
  - `collectProfile` (function, line 68)
  - `syncNow` (function, line 94)
  - `armAlarm` (function, line 123)
- Imported by: `core/scheduler.py`

## browser_sync_extension/popup.js
- Layer: infrastructure
- Language: js
- Symbols:
  - `loadConfig` (function, line 4)
  - `renderResult` (function, line 13)