fix: correct TanStack Router search types for all navigate/Link calls

Each destination route's search must match its validateSearch shape exactly:
- Detail pages (tab-based): { tab: '...' }
- List pages with extra filters: include status, instructorId, view, categoryId etc.
- Form pages (enrollments/new, repairs/new): include only their specific fields
- use-pagination.ts: fix search reducer to use (prev: any) instead of invalid cast

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/admin/src/routes/_authenticated/lessons/enrollments/$enrollmentId.tsx

@@ -131,7 +131,7 @@ function EnrollmentDetailPage() {
   return (
     <div className="space-y-6">
       <div className="flex items-center gap-4">
-        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'desc' as const, status: undefined, instructorId: undefined } })}>
           <ArrowLeft className="h-4 w-4 mr-1" />Back
         </Button>
         <div className="flex-1">
@@ -344,7 +344,7 @@ function SessionsTab({ enrollmentId, onGenerate, generating }: { enrollmentId: s
         total={data?.data?.length ?? 0}
         onPageChange={() => {}}
         onSort={() => {}}
-        onRowClick={(s) => navigate({ to: '/lessons/sessions/$sessionId', params: { sessionId: s.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}
+        onRowClick={(s) => navigate({ to: '/lessons/sessions/$sessionId', params: { sessionId: s.id }, search: {} })}
       />
     </div>
   )
@@ -383,7 +383,7 @@ function LessonPlanTab({ enrollmentId, memberId, canEdit }: { enrollmentId: stri
       queryClient.invalidateQueries({ queryKey: lessonPlanKeys.all })
       toast.success('Plan created from template')
       setTemplatePickerOpen(false)
-      navigate({ to: '/lessons/plans/$planId', params: { planId: plan.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })
+      navigate({ to: '/lessons/plans/$planId', params: { planId: plan.id }, search: {} })
     },
     onError: (err) => toast.error(err.message),
   })
@@ -401,7 +401,7 @@ function LessonPlanTab({ enrollmentId, memberId, canEdit }: { enrollmentId: stri
                 {Math.round(activePlan.progress)}% complete
               </p>
             </div>
-            <Button variant="outline" size="sm" onClick={() => navigate({ to: '/lessons/plans/$planId', params: { planId: activePlan.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+            <Button variant="outline" size="sm" onClick={() => navigate({ to: '/lessons/plans/$planId', params: { planId: activePlan.id }, search: {} })}>
               View Plan
             </Button>
           </div>

packages/admin/src/routes/_authenticated/lessons/enrollments/index.tsx

@@ -80,7 +80,7 @@ function EnrollmentsListPage() {
       <div className="flex items-center justify-between">
         <h1 className="text-2xl font-bold">Enrollments</h1>
         {hasPermission('lessons.edit') && (
-          <Button onClick={() => navigate({ to: '/lessons/enrollments/new', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+          <Button onClick={() => navigate({ to: '/lessons/enrollments/new', search: { memberId: undefined, accountId: undefined } })}>
             <Plus className="mr-2 h-4 w-4" />New Enrollment
           </Button>
         )}
@@ -125,7 +125,7 @@ function EnrollmentsListPage() {
         order={params.order}
         onPageChange={setPage}
         onSort={setSort}
-        onRowClick={(e) => navigate({ to: '/lessons/enrollments/$enrollmentId', params: { enrollmentId: e.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}
+        onRowClick={(e) => navigate({ to: '/lessons/enrollments/$enrollmentId', params: { enrollmentId: e.id }, search: { tab: 'details' } })}
       />
     </div>
   )

packages/admin/src/routes/_authenticated/lessons/enrollments/new.tsx

@@ -108,7 +108,7 @@ function NewEnrollmentPage() {
     },
     onSuccess: (enrollment) => {
       toast.success('Enrollment created')
-      navigate({ to: '/lessons/enrollments/$enrollmentId', params: { enrollmentId: enrollment.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })
+      navigate({ to: '/lessons/enrollments/$enrollmentId', params: { enrollmentId: enrollment.id }, search: { tab: 'details' } })
     },
     onError: (err) => toast.error(err.message),
   })
@@ -141,7 +141,7 @@ function NewEnrollmentPage() {
   return (
     <div className="space-y-6 max-w-2xl">
       <div className="flex items-center gap-3">
-        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'desc' as const, status: undefined, instructorId: undefined } })}>
           <ArrowLeft className="h-4 w-4" />
         </Button>
         <h1 className="text-2xl font-bold">New Enrollment</h1>
@@ -282,7 +282,7 @@ function NewEnrollmentPage() {
           <Button type="submit" disabled={mutation.isPending || !selectedMember || !selectedSlotId || !startDate} size="lg">
             {mutation.isPending ? 'Creating...' : 'Create Enrollment'}
           </Button>
-          <Button variant="secondary" type="button" size="lg" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+          <Button variant="secondary" type="button" size="lg" onClick={() => navigate({ to: '/lessons/enrollments', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'desc' as const, status: undefined, instructorId: undefined } })}>
             Cancel
           </Button>
         </div>

packages/admin/src/routes/_authenticated/lessons/schedule/index.tsx

@@ -152,7 +152,7 @@ function InstructorsTab({ canAdmin, search: _search }: { canAdmin: boolean; sear
         order={params.order}
         onPageChange={setPage}
         onSort={setSort}
-        onRowClick={(i) => navigate({ to: '/lessons/schedule/instructors/$instructorId', params: { instructorId: i.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}
+        onRowClick={(i) => navigate({ to: '/lessons/schedule/instructors/$instructorId', params: { instructorId: i.id }, search: { tab: 'overview' } })}
       />
     </div>
   )

packages/admin/src/routes/_authenticated/lessons/sessions/$sessionId.tsx

@@ -126,7 +126,7 @@ function SessionDetailPage() {
   return (
     <div className="space-y-6 max-w-3xl">
       <div className="flex items-center gap-3">
-        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/sessions', search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })}>
+        <Button variant="ghost" size="sm" onClick={() => navigate({ to: '/lessons/sessions', search: { view: 'list' as const, page: 1, limit: 25, q: undefined, sort: undefined, order: 'desc' as const, status: undefined, instructorId: undefined } })}>
           <ArrowLeft className="h-4 w-4" />
         </Button>
         <div className="flex-1">