- Create EmulatorControlAction and NitroControlAction classes
- Extract business logic from Commandocentrum controller methods
- Add Blade components for status cards, diagnostics, and summary cards
- Replace shell_exec with file_get_contents in config reading
- Remove duplicate methods and unused code
- Commandocentrum reduced from 2033 to 1780 lines
- Add DiagnosticRunner integration to Commandocentrum for system health display
- Refactor EmulatorUpdateService from 2524 lines to 395 lines (facade pattern)
- Extract EmulatorStatusService, EmulatorJarService, EmulatorSourceService
- Extract EmulatorBuildService, EmulatorSqlService, EmulatorBackupService
- Add shared EmulatorConfiguration trait for dependency injection
- Preserve backward compatibility on all public methods
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