fix(javascript): preserve import-equals declaration and export evidence (#2062)

* fix(javascript): retain TypeScript import-equals dependencies

* test(mcp): align completion checks with warm provider state

* fix(javascript): propagate require origins through exported aliases

* fix(javascript): normalize equivalent CTS binding origins

---------

Co-authored-by: hhang <169027046+xu91102@users.noreply.github.com>

src/domain/javascript/javascriptSemanticProvenance.ts

@@ -48,7 +48,11 @@ export const uniqueSemanticOrigins = (
   );
 
 const semanticOriginKey = (origin: JavaScriptModuleOrigin): string =>
-  JSON.stringify([origin.specifier, origin.importedPath]);
+  JSON.stringify([
+    origin.specifier,
+    origin.importedPath,
+    origin.resolutionMode ?? "import",
+  ]);
 
 /** Canonically distinguish primitive values across type boundaries. */
 export const semanticPrimitiveKey = (