Fix: TemplateDriver class name, console autoload, ScriptsRegistry fallback ...

- server/SHServ/App.php: fix \Fury\Drivers\Template → TemplateDriver
- server/console.php: add vendor/autoload.php require + migrate CLI command
- server/SHServ/Middleware/ControlScripts.php: add ensureRegistry() fallback for old App.php on prod

Also includes unstaged changes: Modes, Timers, params_schema, Vue client updates

Phase 4: build.sh manifest generation, ZIP packaging, docs update

Add comprehensive documentation for virtual device emulator ...

- tools/virtual_devices/README.md: full user guide with CLI, curl, Web UI
- docs/virtual-device-emulator.md: architecture docs with end-to-end example
- docs/architecture.md: mention virtual emulator in device section
- CLAUDE.md: add virtual-device-emulator.md to key files table

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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