Backend (Django 4.2 + DRF):
- Admin auth with SimpleJWT
- Volcengine API client with HMAC-SHA256 signing
- IAM user management (create/sync/import/disable/enable)
- Billing query with pagination
- Feishu webhook notifications (async)
- APScheduler for periodic spending checks
- AES-256 encrypted credential storage
- API key auth for external system integration
Frontend (Vue 3 + Element Plus):
- Login page
- Dashboard with stats overview
- IAM user list with per-user threshold config
- Billing view with spending progress bars
- Alert history with type filtering
- Settings page for global config and Volcengine account management
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
