feat(file-info): detail every version, file and stream the server reports

The sheet collapsed an item to `Media.first` / `MediaSources.first` and
rendered a fixed set of rows, so split files, extra versions, per-track
properties, HDR classification and Dolby Vision were all invisible.

Model the payload the way both servers shape it — versions own parts,
parts own streams — and project every property either backend populates
onto `MediaStreamDetails`. The field set comes from sweeping both test
servers in full through the clients' own request shapes (Plex 6842
Media / 6842 Part / 39864 Stream entries, Jellyfin 6349 sources / 37763
streams / 61224 attachments), so file presence, Dolby Vision layers,
dynamic range, sample rate, spatial audio, sidecar provenance, embedded
attachments, rotation and the lyric stream type all survive. A coverage
test fails when a server key is neither carried, folded into a sibling,
nor excluded with a reason.

File Info also stopped trusting the shared `/library/metadata/{id}`
cache row: `getPlaybackExtras` writes it without `includeStreams` /
`checkFiles`, so the sheet could render with no stream table at all.
Detect that shape and refetch once under the request context captured
before the cache read, so the outgoing token and the cache namespace
stay on one profile.

Rework the layout to match: a summary chip row, then flat tonal cards
with a two-column field grid that collapses to one column on narrow
viewports, per-stream cards with flag chips, and a copyable monospace
path row. The card fill is a tonal step off the text colour rather than
the `bg` token, which is one shade from the sheet surface on OLED.

lib/i18n/strings_ja.g.dart

@@ -507,8 +507,8 @@ class _Translations$fileInfo$ja extends Translations$fileInfo$en {
 	@override String get title => 'ファイル情報';
 	@override String get video => '映像';
 	@override String get audio => '音声';
+	@override String get subtitles => '字幕';
 	@override String get file => 'ファイル';
-	@override String get advanced => '詳細';
 	@override String get codec => 'コーデック';
 	@override String get resolution => '解像度';
 	@override String get bitrate => 'ビットレート';
@@ -521,7 +521,6 @@ class _Translations$fileInfo$ja extends Translations$fileInfo$en {
 	@override String get colorPrimaries => '色原色';
 	@override String get chromaSubsampling => 'クロマサブサンプリング';
 	@override String get channels => 'チャンネル';
-	@override String get subtitles => '字幕';
 	@override String get overallBitrate => '全体ビットレート';
 	@override String get path => 'パス';
 	@override String get size => 'サイズ';
@@ -2557,8 +2556,8 @@ extension on TranslationsJa {
 			'fileInfo.title' => 'ファイル情報',
 			'fileInfo.video' => '映像',
 			'fileInfo.audio' => '音声',
+			'fileInfo.subtitles' => '字幕',
 			'fileInfo.file' => 'ファイル',
-			'fileInfo.advanced' => '詳細',
 			'fileInfo.codec' => 'コーデック',
 			'fileInfo.resolution' => '解像度',
 			'fileInfo.bitrate' => 'ビットレート',
@@ -2571,7 +2570,6 @@ extension on TranslationsJa {
 			'fileInfo.colorPrimaries' => '色原色',
 			'fileInfo.chromaSubsampling' => 'クロマサブサンプリング',
 			'fileInfo.channels' => 'チャンネル',
-			'fileInfo.subtitles' => '字幕',
 			'fileInfo.overallBitrate' => '全体ビットレート',
 			'fileInfo.path' => 'パス',
 			'fileInfo.size' => 'サイズ',
@@ -2707,9 +2705,9 @@ extension on TranslationsJa {
 			'videoControls.language' => '言語',
 			'videoControls.noSubtitlesFound' => '字幕が見つかりません',
 			'videoControls.subtitleDownloaded' => '字幕をダウンロードしました',
+			'videoControls.subtitleDownloadedNotApplied' => '字幕はダウンロードされましたが、選択できませんでした',
 			_ => null,
 		} ?? switch (path) {
-			'videoControls.subtitleDownloadedNotApplied' => '字幕はダウンロードされましたが、選択できませんでした',
 			'videoControls.subtitleDownloadFailed' => '字幕のダウンロードに失敗しました',
 			'videoControls.searchLanguages' => '言語を検索…',
 			'messages.markedAsWatched' => '視聴済みにしました',
@@ -3221,9 +3219,9 @@ extension on TranslationsJa {
 			'watchTogether.failedToJoin' => 'セッションへの参加に失敗しました',
 			'watchTogether.sessionCodeCopied' => 'セッションコードをクリップボードにコピーしました',
 			'watchTogether.relayUnreachable' => 'リレーサーバーに接続できません。ISPによるブロックのため「一緒に見る」を利用できない可能性があります。',
+			'watchTogether.reconnectingToHost' => 'ホストに再接続中…',
 			_ => null,
 		} ?? switch (path) {
-			'watchTogether.reconnectingToHost' => 'ホストに再接続中…',
 			'watchTogether.currentPlayback' => '現在の再生',
 			'watchTogether.joinCurrentPlayback' => '現在の再生に参加',
 			'watchTogether.joinCurrentPlaybackDescription' => 'ホストが現在視聴中のコンテンツに戻る',