feat(admin): Add API monitoring, debug console, and system health templates for enhanced admin interface
docs: Add AI system cleanup summary and audit report detailing architecture, token management, and recommendations
docs: Introduce credits and tokens system guide outlining configuration, data flow, and monitoring strategies
- Middleware should only set request.account, not request.user
- Let DRF authentication handle request.user setting
- This prevents conflicts between middleware and DRF authentication
- Fixes /me endpoint returning wrong user issue