refactor: use canonical implementations and types directly

Remove forwarding wrappers and shadow aliases, migrate callers and verification scripts to their owners, and share one exhaustive semantic resource-bound projection.

src/domain/javascript/javascriptSemanticIr.ts

@@ -435,24 +435,6 @@ export interface JavaScriptSemanticIr {
   readonly limitations: readonly string[];
 }
 
-/** Find the innermost resolved reference at one source coordinate. */
-export const semanticReferenceAt = (
-  ir: JavaScriptSemanticIr,
-  line: number,
-  column: number,
-): JavaScriptSemanticReference | undefined =>
-  ir.references.find(
-    ({ location }) =>
-      location.start.line === line && location.start.column === column,
-  );
-
-/** Read one binding by its deterministic semantic identifier. */
-export const semanticBinding = (
-  ir: JavaScriptSemanticIr,
-  bindingId: string,
-): JavaScriptSemanticBinding | undefined =>
-  ir.bindings.find(({ bindingId: candidate }) => candidate === bindingId);
-
 /** Fail-closed result when Babel cannot produce an inert syntax tree. */
 export const failedJavaScriptSemanticIr = (): JavaScriptSemanticIr => ({
   schema: "JavaScriptSemanticIR",