Add interstitial endpoints and enhance media and template functionalities: implement MapInterstitialEndpoints in Program.cs, add preview functionality for media assets in MediaEndpoints, and introduce template preview capabilities in TemplateEndpoints. Remove obsolete bumper settings from Channel and related classes to streamline configuration.

frontend/src/features/admin/channels/components/BumperCard.tsx

@@ -3,12 +3,10 @@ import { useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import type { BumperFont, BumperSelection, BumperSettings, ChannelDto } from '@/shared/api/types'
 import { Button } from '@/shared/ui/button'
-import { Input } from '@/shared/ui/input'
 import { Label } from '@/shared/ui/label'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/shared/ui/select'
 import { toast } from '@/shared/ui/toast-store'
 import { addBumperTemplate, updateChannelSettings } from '../api'
-import { clampChance } from '../lib/format'
 import { BumperTemplateEditor } from './BumperTemplateEditor'
 import { CollapsibleCard } from './CollapsibleCard'
 
@@ -76,8 +74,8 @@ export function BumperCard({
         </span>
       </label>
 
-      {/* Общие настройки */}
-      <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
+      {/* Общие настройки. Как часто ставить заставку — не здесь: это условие элемента стыка. */}
+      <div className="grid gap-4 sm:grid-cols-2">
         <div className="flex flex-col gap-1.5">
           <Label>{t('admin.channels.bumperSelection')}</Label>
           <Select value={bumper.selection} onValueChange={(v) => setField('selection', v as BumperSelection)}>
@@ -85,7 +83,6 @@ export function BumperCard({
               <SelectValue />
             </SelectTrigger>
             <SelectContent>
-              <SelectItem value="Rotation">{t('admin.channels.bumperSelectionRotation')}</SelectItem>
               <SelectItem value="Random">{t('admin.channels.bumperSelectionRandom')}</SelectItem>
               <SelectItem value="WeightedRandom">
                 {t('admin.channels.bumperSelectionWeighted')}
@@ -108,45 +105,8 @@ export function BumperCard({
             </SelectContent>
           </Select>
         </div>
-        <div className="flex flex-col gap-1.5">
-          <Label>{t('admin.channels.bumperMinInterval')}</Label>
-          <Input
-            type="number"
-            min={0}
-            max={1440}
-            value={bumper.minIntervalMinutes}
-            onChange={(e) => setField('minIntervalMinutes', Number(e.target.value))}
-          />
-        </div>
-        <div className="flex flex-col gap-1.5">
-          <Label>{t('admin.channels.bumperShowChangeChance')}</Label>
-          <Input
-            type="number"
-            min={0}
-            max={1}
-            step={0.05}
-            value={bumper.showChangeChance}
-            onChange={(e) => setField('showChangeChance', clampChance(e.target.value))}
-          />
-          <span className="text-xs text-muted-foreground">
-            {t('admin.channels.bumperShowChangeChanceHint')}
-          </span>
-        </div>
-        <div className="flex flex-col gap-1.5">
-          <Label>{t('admin.channels.bumperEpisodeChangeChance')}</Label>
-          <Input
-            type="number"
-            min={0}
-            max={1}
-            step={0.05}
-            value={bumper.episodeChangeChance}
-            onChange={(e) => setField('episodeChangeChance', clampChance(e.target.value))}
-          />
-          <span className="text-xs text-muted-foreground">
-            {t('admin.channels.bumperEpisodeChangeChanceHint')}
-          </span>
-        </div>
       </div>
+      <p className="text-xs text-muted-foreground">{t('admin.channels.bumperConditionsHint')}</p>
       <div className="flex justify-end">
         <Button size="sm" disabled={save.isPending} onClick={() => save.mutate()}>
           {t('common.save')}