refactor(setup): upgrade to TypeScript 6 with source-first monorepo resolution

packages/page-controller/src/dom/dom_tree/index.d.ts

@@ -0,0 +1,16 @@
+import type { FlatDomTree } from './type'
+
+interface DomTreeArgs {
+	doHighlightElements?: boolean
+	focusHighlightIndex?: number
+	viewportExpansion?: number
+	debugMode?: boolean
+	interactiveBlacklist?: Element[]
+	interactiveWhitelist?: Element[]
+	highlightOpacity?: number
+	highlightLabelOpacity?: number
+}
+
+declare const domTree: (args?: DomTreeArgs) => FlatDomTree
+
+export default domTree