feat: Rewrite dashboard with sidebar nav, drill-down, and registry-based container resolution

- Replace broken alert() onclick with proper 3-level drill navigation (projects > envs > services)
- Add left sidebar with Dashboard, Services, Backups, System, Restore pages
- Add breadcrumb navigation and mobile hamburger menu
- Fix services.py container name resolution using ops registry name_prefix mapping
- Remove 9 debug/emergency files from session 0022
- Keep existing CSS (style.css) unchanged

	app/app/routers/services.py	diff | view | blame | history
	static/index.html	diff | view | blame | history
	static/js/app.js	diff | view | blame | history