feat(warp): add WARP status checks and system health API

[cto-new]

Summary

Introduce WARP status verification and a centralized system health API for Grok2API. This enables observing WARP connectivity and overall system health from the API and health endpoint.

Details

• Implemented WARP status inspection helpers (warp, D-Bus, network) in admin manage module
• Added admin endpoint /api/system/status reporting WARP, D-Bus, network, and storage health with an overall status
• Extended health endpoint /health to include warp connectivity information
• Updated/added documentation and test scaffolding for WARP status checks
• Prepared tests for WARP status and admin system status, with guidance for running in Docker
• Added WARP troubleshooting and quick-fix scripts
• Updated readme and WARP_STATUS_CHECK.md with troubleshooting guidance
• Introduced tests (test_warp_api.py, test_warp_status.py) and docker test scripts for WARP status