Unify entities navigation, redesign time clock, and add invoice PDF preview.

Combine clients and businesses under entities, polish the web time clock,
and show live invoice PDF preview with tighter line-item editing.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/forms/business-form.tsx

@@ -338,7 +338,7 @@ export function BusinessForm({ businessId, mode }: BusinessFormProps) {
         }
 
         toast.success("Business created successfully");
-        router.push("/dashboard/businesses");
+        router.push("/dashboard/entities?tab=businesses");
       } else {
         // Update business data (excluding email config fields)
         const businessData = {
@@ -386,7 +386,7 @@ export function BusinessForm({ businessId, mode }: BusinessFormProps) {
         }
 
         toast.success("Business updated successfully");
-        router.push("/dashboard/businesses");
+        router.push("/dashboard/entities?tab=businesses");
       }
     } finally {
       setIsSubmitting(false);
@@ -400,7 +400,7 @@ export function BusinessForm({ businessId, mode }: BusinessFormProps) {
       );
       if (!confirmed) return;
     }
-    router.push("/dashboard/businesses");
+    router.push("/dashboard/entities?tab=businesses");
   };
 
   if (