- Add get_test_client() helper to reduce test duplication
- Use PROXMOX_HOST environment variable for configurable server address
- Add PROXMOX_HOST to ~/.bashrc with default value
- Removed incorrect #[serde(rename_all = "PascalCase")] attribute from AuthResponse struct
- Proxmox API returns lowercase fields (ticket, username, clustername) not PascalCase
- Added missing clustername field to AuthResponse struct
- Updated unit tests to match actual Proxmox API response format
- Added 4 integration tests for Proxmox API endpoints:
* test_real_proxmox_auth - verifies authentication works
* test_real_proxmox_cluster_resources - fetches cluster resources
* test_real_proxmox_nodes - fetches node status
* test_real_proxmox_vms - fetches VM list
- All 432 Rust tests passing
- All integration tests verified against https://172.0.0.18:8006