docs: add comprehensive code comments, update README and TASKS, create training and troubleshooting guides

- Add JSDoc comments to API routes and business logic functions
- Update README.md with Phase 2 status and deployment/production notes
- Enhance TASKS.md with estimated timelines and dependencies
- Create docs/STAFF_TRAINING.md for team onboarding
- Create docs/CLIENT_ONBOARDING.md for customer experience
- Create docs/OPERATIONAL_PROCEDURES.md for daily operations
- Create docs/TROUBLESHOOTING.md for common setup issues
- Fix TypeScript errors in hq/page.tsx

components/ui/badge.tsx

@@ -27,6 +27,9 @@ export interface BadgeProps
   extends React.HTMLAttributes<HTMLDivElement>,
     VariantProps<typeof badgeVariants> {}
 
+/**
+ * Badge component that renders a styled badge with support for different variants.
+ */
 function Badge({ className, variant, ...props }: BadgeProps) {
   return (
     <div className={cn(badgeVariants({ variant }), className)} {...props} />