test(managed): retain observed target changes across member remaps

tests/boundary/filesystem/desktopApplication.test.ts

@@ -737,15 +737,16 @@ it.each([
       metadataOffset,
       image.length - metadataOffset,
     );
+    if (layout.blob === null)
+      throw new Error("Fixture requires a #Blob stream");
+    const blobSize = layout.blob.size;
     const reference = layout.table(35)!;
     // ECMA-335 AssemblyRef: 8 version bytes, 4 flag bytes, then PublicKeyOrToken.
     // Keep its name valid while making that unrelated blob index invalid.
     if (layout.blobIndexSize === 2)
       image.writeUInt16LE(0xffff, reference.offset + 12);
     else image.writeUInt32LE(0xffff_ffff, reference.offset + 12);
-    expect(() =>
-      readAssemblyReference(image, layout, 1, layout.blob.size),
-    ).toThrow();
+    expect(() => readAssemblyReference(image, layout, 1, blobSize)).toThrow();
     await put(root, `${managedDirectory}/Assembly-CSharp.dll`, image);
     const { report } = await inspect(root);
     expect(report.candidates.map((candidate) => candidate.family)).toEqual([

tests/boundary/providers/managed/managedMemberComparisonFromMetadata.test.ts

@@ -417,7 +417,7 @@ describe("managed member comparison", () => {
     });
   });
 
-  it("remaps renamed methods by exact CIL/signature without using names", () => {
+  it("remaps renamed methods by exact CIL while retaining field target changes", () => {
     const leftBytes = buildManagedPeFixture();
     const rightBytes = buildManagedPeFixture({
       mvid: Buffer.from("00112233445566778899aabbccddeefe", "hex"),
@@ -438,7 +438,7 @@ describe("managed member comparison", () => {
     expect(result.matching.exact_il_signature).toBe(1);
     expect(result.methods).toEqual([
       expect.objectContaining({
-        status: "unchanged",
+        status: "changed",
         left: expect.objectContaining({ token: "0x06000001", name: "Main" }),
         right: expect.objectContaining({ token: "0x06000001", name: "b" }),
         match: expect.objectContaining({
@@ -446,7 +446,7 @@ describe("managed member comparison", () => {
           basis: "exact-il-signature",
           confidence: "exact",
         }),
-        dimensions: [],
+        dimensions: ["field-target"],
       }),
     ]);
     expect(result.limitations).toContain(