refactor(multiple-subtitles): [PKG-MULTI-SUB-04] expose compatible runtime type entry

docs/assets/ts/artplayer-plugin-multiple-subtitles.d.ts

@@ -1,16 +1,45 @@
-declare const artplayerPluginMultipleSubtitles: (option: {
-  subtitles: {
+// Generated from the package public declaration by yarn build:ts. Do not edit.
+/* eslint-disable ts/no-redeclare -- Callable and public type namespace intentionally merge. */
+declare namespace artplayerPluginMultipleSubtitlesDefinitions {
+  export interface TrackOption {
     url?: string
     name?: string
     type?: 'vtt' | 'srt' | 'ass'
     encoding?: string
     onParser?: (...args: object[]) => object
-  }[]
-}) => (art: Artplayer) => {
-  name: 'multipleSubtitles'
+  }
+  export interface Option {
+    subtitles: TrackOption[]
+  }
+  export interface RuntimeOption {
+    subtitles?: TrackOption[]
+  }
+  export interface LegacyResult {
+    name: 'multipleSubtitles'
+  }
+  export interface Result extends LegacyResult {
+    tracks: (names?: string[]) => void
+    reset: () => void
+  }
+  /** Historical synchronous extraction; actual registration is asynchronous. */
+  export type Factory = (option: Option) => (art: Artplayer) => LegacyResult
+  /** Accurate runtime view available through the /runtime entry. */
+  export interface RuntimeFactory {
+    (option: RuntimeOption): (art: Artplayer) => Promise<Result>
+    default: RuntimeFactory
+  }
+  /** Preserve existing parameter extraction and replacement-function compatibility. */
+  export function artplayerPluginMultipleSubtitles(option: Option): (art: Artplayer) => LegacyResult
+}
+declare const artplayerPluginMultipleSubtitles: typeof artplayerPluginMultipleSubtitlesDefinitions.artplayerPluginMultipleSubtitles
+declare namespace artplayerPluginMultipleSubtitles {
+  export type TrackOption = artplayerPluginMultipleSubtitlesDefinitions.TrackOption
+  export type Option = artplayerPluginMultipleSubtitlesDefinitions.Option
+  export type RuntimeOption = artplayerPluginMultipleSubtitlesDefinitions.RuntimeOption
+  export type LegacyResult = artplayerPluginMultipleSubtitlesDefinitions.LegacyResult
+  export type Result = artplayerPluginMultipleSubtitlesDefinitions.Result
+  export type Factory = artplayerPluginMultipleSubtitlesDefinitions.Factory
+  export type RuntimeFactory = artplayerPluginMultipleSubtitlesDefinitions.RuntimeFactory
 }
-
-export default artplayerPluginMultipleSubtitles
-
 export = artplayerPluginMultipleSubtitles
 export as namespace artplayerPluginMultipleSubtitles;