ALIVE! make it work and navigation now dynamic

src/widgets/navbar/index.tsx

@@ -8,6 +8,7 @@ import { useRouter } from 'next/router'
 import { FaGithub } from 'react-icons/fa'
 import cx from 'classnames'
 import { NavContext, NavContextProvider } from '@/shared/context/nav-context'
+import { groups } from '@/shared/data/groups'
 
 export function NavBar({ cacheAvailableFor }: {
   cacheAvailableFor: string[]
@@ -44,8 +45,9 @@ export function NavBar({ cacheAvailableFor }: {
       <header className="sticky top-0 w-full p-2 bg-background z-[1] pb-0 mb-2 shadow-header">
         <nav className={cx('rounded-lg p-2 w-full flex justify-between', { 'bg-slate-200': theme === 'light', 'bg-slate-900': theme === 'dark' })} ref={navRef}>
           <ul className="flex gap-2">
-            <NavBarItem url="/ps7">ПС-7</NavBarItem>
-            <NavBarItem url="/pks35k">ПКС-35к</NavBarItem>
+            {Object.entries(groups).map(([id, [, name]]) => (
+              <NavBarItem key={id} url={`/${id}`}>{name}</NavBarItem>
+            ))}
             <AddGroupButton />
           </ul>
           <div className='flex gap-1 min-[500px]:gap-2'>

src/widgets/schedule/day.tsx

@@ -14,7 +14,7 @@ export function Day({ day }: {
     'Пятница',
     'Суббота',
     'Воскресенье'
-  ][day.date.getDay()-1]
+  ][(day.date.getDay() + 6) % 7]
 
   const longNames = day.lessons
     .some(lesson => 'subject' in lesson && lesson.subject.length > 20)

src/widgets/schedule/lesson.tsx

@@ -86,6 +86,11 @@ export function Lesson({ lesson, width = 350 }: {
               {lesson.time.start} - {lesson.time.end}{
               }{lesson.time.hint && <span className='font-bold'>&nbsp;({lesson.time.hint})</span>}
             </CardDescription>
+            {hasTeacher && lesson.teacher && (
+              <CardDescription className='text-sm font-medium'>
+                {lesson.teacher}
+              </CardDescription>
+            )}
           </div>
         </div>
       </CardHeader>