Collects rc.1 to rc.14: the mirror page in tabs with a card per model, one line per record in every admin table, reserved CPU cores and required memory, capacity classes and preemption, tenant capacity quotas, sizing by measured throughput, and node sensor readings. Adds `llmgw upgrade` for the mirror host, which `ctl upgrade` does not reach, and says so when it ends. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>