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

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

src/domain/javascript/javascriptSemanticState.ts

@@ -57,6 +57,8 @@ export interface JavaScriptSemanticScopeState {
 
 /** Shared state for semantic collection and evaluation. */
 export interface JavaScriptSemanticAnalysisState {
+  /** Effective loader for static imports in this source artifact. */
+  readonly staticImportResolutionMode: "import" | "require";
   readonly parentsByNode: WeakMap<t.Node, t.Node>;
   readonly scopes: JavaScriptSemanticScopeState[];
   readonly scopesById: Map<string, JavaScriptSemanticScopeState>;