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/application/javascript/JavaScriptArtifactAnalysis.ts

@@ -1,4 +1,6 @@
 import { createHash } from "node:crypto";
+
+import { moduleKindForJavaScriptReference } from "./JavaScriptArtifactPathResolution.js";
 import { setImmediate } from "node:timers/promises";
 
 import { resolveJavaScriptSourceMapReference } from "../../domain/javascript/javascriptSourceMapPaths.js";
@@ -380,7 +382,10 @@ function* analyzeArtifactFileSteps<
   yield;
   const semantics =
     analysis.parse_status === "complete" || analysis.parse_status === "partial"
-      ? yield* analyzeParsedJavaScriptSemanticsSteps(parsed)
+      ? yield* analyzeParsedJavaScriptSemanticsSteps(
+          parsed,
+          moduleKindForJavaScriptReference(file.path, "static-import"),
+        )
       : null;
   const projected =
     semantics === null

src/application/javascript/JavaScriptArtifactPathResolution.ts

@@ -68,12 +68,20 @@ export interface ResolveArtifactPathInput {
 export const moduleKindForJavaScriptReference = (
   sourcePath: string,
   referenceKind: "static-import" | "dynamic-import" | "require",
+  resolutionMode?: "import" | "require",
 ): "import" | "require" =>
-  referenceKind === "require" ||
+  resolutionMode ??
+  (referenceKind === "require" ||
   (referenceKind === "static-import" &&
     posix.extname(sourcePath).toLowerCase() === ".cts")
     ? "require"
-    : "import";
+    : "import");
+
+/** Preserve an explicitly retained loader mode on graph relationships. */
+export const moduleResolutionModeProperties = (
+  mode: "import" | "require" | undefined,
+): Readonly<Record<string, "import" | "require">> =>
+  mode === undefined ? {} : { resolution_mode: mode };
 
 const EXTENSIONS = [
   ".js",

src/application/javascript/JavaScriptModuleRelationships.ts

@@ -31,6 +31,7 @@ import {
 } from "./JavaScriptArtifactGraphEvidence.js";
 import {
   moduleKindForJavaScriptReference,
+  moduleResolutionModeProperties,
   resolveArtifactPathByContext,
   type ArtifactPathResolution,
 } from "./JavaScriptArtifactPathResolution.js";
@@ -281,6 +282,7 @@ const resolveModuleTarget = (
       input.link.kind === "require" || input.link.kind === "commonjs-export"
         ? "require"
         : "static-import",
+      input.link.resolutionMode,
     ),
   });
   if (resolution.resolution_status !== "resolved")
@@ -373,6 +375,7 @@ const relationshipProperties = (
   origin?: JavaScriptModuleOrigin,
 ) => ({
   module_link_kind: link.kind,
+  ...moduleResolutionModeProperties(link.resolutionMode),
   specifier: origin?.specifier ?? link.specifier,
   imported_name: origin?.importedPath.at(-1) ?? link.importedName,
   imported_path: origin?.importedPath ?? [],