Context

When debugging server issues, seeing the boot log and event history is essential.

Description

Add server event log and console output views.

• Console output: GET /servers/{id}/action with os-getConsoleOutput — show last N lines of boot log in a scrollable viewport
• Event log: GET /servers/{id}/os-instance-actions — list of actions (create, reboot, stop, etc.) with timestamps and results
• Accessible from server detail view via keybinding