Client Architecture Cleanup

What’s New

• Added DashboardShell component system with standardized loading and error states
• Added shared formatting utilities (formatDate, formatDateTime, maskString)

Improvements

• Reorganized landing page components to follow colocation rules
• Standardized UI composition for all dashboard views
• Decomposed sidebar and navbar into smaller focused components
• Removed duplicate formatting logic across keys and admin modules
• Refactored apps overview and API keys pages to use reusable state components