fix remaining build errors

src/pages/PersonPage.tsx

@@ -28,7 +28,10 @@ export default function PersonPage() {
   const filmography = useMemo(() => {
     const cast = (person?.combined_credits?.cast || []).map(c => ({ ...c, _kind: 'cast' as const }))
     const crew = (person?.combined_credits?.crew || []).map(c => ({ ...c, _kind: 'crew' as const }))
-    let merged: ((TmdbCombinedCreditCast | TmdbCombinedCreditCrew) & { _kind: 'cast' | 'crew' })[] = [
+    type MergedCredit =
+      | (TmdbCombinedCreditCast & { _kind: 'cast' })
+      | (TmdbCombinedCreditCrew & { _kind: 'crew' })
+    let merged: MergedCredit[] = [
       ...cast,
       ...crew,
     ]
@@ -37,7 +40,7 @@ export default function PersonPage() {
       if (filter === 'Acting') {
         merged = merged.filter(c => c._kind === 'cast')
       } else {
-        merged = merged.filter(c => c._kind === 'crew' && c.department === filter)
+        merged = merged.filter((c): c is MergedCredit & { _kind: 'crew' } => c._kind === 'crew' && c.department === filter)
       }
     }
 
@@ -260,7 +263,7 @@ export default function PersonPage() {
                     {title}
                   </p>
                   <p className="text-[11px] text-text-3 truncate leading-tight mt-0.5">
-                    {c.character ? c.character : c.job}
+                    {c.character ? c.character : (c as TmdbCombinedCreditCrew).job}
                     {year && (
                       <>
                         <span className="text-text-5 mx-1">·</span>

src/pages/PlayerPage.tsx

@@ -345,7 +345,7 @@ export default function PlayerPage() {
     const fromQueue = searchParams.get('resume') === 'true'
     if (showResumePromptPref && !fromQueue && pos > threshold) {
       setResumePromptOpen(true)
-      resumePromptShownRef.current = item.Id
+      resumePromptShownRef.current = item.Id ?? null
     }
   }, [item?.Id, searchParams, showResumePromptPref])
 
@@ -986,7 +986,8 @@ export default function PlayerPage() {
     if (resolvedSource?.SupportsDirectPlay) {
       const el = (playerRef.current as { el?: HTMLElement } | null)?.el
       const video = el?.querySelector('video') as HTMLVideoElement | null
-      const native = video.audioTracks as { length: number; [i: number]: { enabled: boolean } } | undefined
+      if (!video) return
+      const native = video.audioTracks as { length: number; [i: number]: { enabled: boolean; language?: string } } | undefined
       if (native && native.length > 1) {
         const target = audioTracks.find(t => t.Index === jfIndex)
         const targetLang = (target?.Language || '').toLowerCase()

src/pages/TmdbDetailPage.tsx

@@ -8,6 +8,7 @@ import { useTmdbDetailEnrichment } from '../hooks/use-tmdb-detail'
 import { useLibraryByTmdbId } from '../hooks/use-jellyfin'
 import { useFanartMovie, useFanartTv } from '../hooks/use-external'
 import { getTmdbImageUrl, pickTmdbLogo } from '../api/tmdb'
+import type { TmdbMovie, TmdbTvShow } from '../api/tmdb'
 import { pickBestFanartImage } from '../api/fanart'
 import { mapTmdbToJf } from '../lib/tmdb-mapping'
 import ContentRow from '../components/ui/ContentRow'
@@ -262,7 +263,7 @@ export default function TmdbDetailPage({ tmdbId, kind }: Props) {
                   </span>
                 </>
               )}
-              {kind === 'tv' && data.number_of_seasons > 0 && (
+              {kind === 'tv' && (data.number_of_seasons ?? 0) > 0 && (
                 <>
                   <Dot />
                   <span className="inline-flex items-center gap-1 tabular-nums">
@@ -287,7 +288,7 @@ export default function TmdbDetailPage({ tmdbId, kind }: Props) {
             )}
 
             <div className="flex items-center gap-2.5 flex-wrap">
-              <RequestButton tmdbId={tmdbId} kind={kind} tmdbData={data} />
+              <RequestButton tmdbId={tmdbId} kind={kind} tmdbData={data as TmdbMovie | TmdbTvShow | null} />
               {matchedLocal && (
                 <button
                   onClick={() => navigate(`/item/${matchedLocal.id}`)}

src/pages/discover/rows.tsx

@@ -9,6 +9,7 @@ import {
 } from '../../hooks/use-tmdb'
 import { useLibraryByTmdbId } from '../../hooks/use-jellyfin'
 import { mapTmdbToJf } from '../../lib/tmdb-mapping'
+import type { TmdbDiscoverItem } from '../../api/tmdb'
 import { tmdbMovieGenreId, tmdbTvGenreId } from '../../lib/tmdb-genres'
 import ContentRow from '../../components/ui/ContentRow'
 import { usePreferencesStore } from '../../stores/preferences-store'
@@ -253,7 +254,7 @@ export function GenreRow({ genre }: { genre: { label: string; subtitle: string }
   const items = useMemo(() => {
     const m = (movies.data?.results || []).map(x => ({ ...x, media_type: 'movie' }))
     const t = (tv.data?.results || []).map(x => ({ ...x, media_type: 'tv' }))
-    const out: { id: number; media_type: string }[] = []
+    const out: TmdbDiscoverItem[] = []
     const max = Math.max(m.length, t.length)
     for (let i = 0; i < max && out.length < 20; i++) {
       if (m[i]) out.push(m[i])

src/pages/settings/sections/ServerDashboard.tsx

@@ -37,7 +37,7 @@ export function ServerDashboardSection() {
   const transcodes = activeSessions.filter(s => s.PlayState?.PlayMethod === 'Transcode')
 
   const uptime = useMemo(() => {
-    const start = info?.ServerStartTime
+    const start = (info as { ServerStartTime?: string } | null | undefined)?.ServerStartTime
     if (!start) return null
     const ms = Date.now() - new Date(start).getTime()
     const days = Math.floor(ms / 86_400_000)