refactor(core): CORE-14 split typed settings and scope tree lifetimes

test/types/setting-manager.ts

@@ -0,0 +1,17 @@
+import type Setting from '../../packages/artplayer/src/setting'
+import type { SettingItem } from '../../packages/artplayer/src/setting/types'
+
+declare const setting: Setting
+const input = { name: 'custom', html: 'Custom', customValue: 42 }
+const added = setting.add(input)
+const value: number = added.customValue
+const updated: SettingItem = setting.update(input)
+const found: SettingItem | null = setting.find('absent')
+const removed: void = setting.remove('custom')
+// @ts-expect-error Runtime find can return null.
+const definite: SettingItem = setting.find('absent')
+// @ts-expect-error Setting add returns the item rather than its DOM row.
+const element: HTMLDivElement = setting.add(input)
+// @ts-expect-error Range values must be numeric.
+setting.add({ html: 'Range', range: ['invalid'] })
+void [value, updated, found, removed, definite, element]