diff --git a/tests/boundary/filesystem/stableArtifact.test.ts b/tests/boundary/filesystem/stableArtifact.test.ts
index 38c9f7d6c..97b0b5718 100644
--- a/tests/boundary/filesystem/stableArtifact.test.ts
+++ b/tests/boundary/filesystem/stableArtifact.test.ts
@@ -13,6 +13,7 @@ import { readStableArtifact } from "../../../src/artifacts/readStableArtifact.js
 import {
   ArtifactFileCleanupFailure,
   ArtifactFileCancelled,
+  withArtifactFileHandle,
 } from "../../../src/artifacts/ArtifactFileOperation.js";
 import { ArtifactResourceScope } from "../../../src/artifacts/ArtifactResourceScope.js";
 import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
@@ -254,3 +255,41 @@ it("transfers the exact owner even when the caller's retention boundary rejects
   await failure.cleanupLease.release();
   expect(file.handle.fd).toBe(-1);
 });
+
+it("does not turn a retention callback abort into completed-file cancellation", async () => {
+  const file = await heldDescriptor();
+  const controller = new AbortController();
+  class AbortingScope extends ArtifactResourceScope {
+    override retain(
+      owner: Parameters<ArtifactResourceScope["retain"]>[0],
+    ): void {
+      controller.abort(null);
+      super.retain(owner);
+    }
+  }
+  const scope = new AbortingScope();
+  try {
+    const failure: unknown = await withArtifactFileHandle(
+      file.path,
+      file.handle,
+      scope,
+      controller.signal,
+      async () => file.bytes,
+    ).catch((cause: unknown) => cause);
+    expect(failure).toBeInstanceOf(ArtifactFileCleanupFailure);
+    if (!(failure instanceof ArtifactFileCleanupFailure))
+      throw new Error("Missing file cleanup owner");
+    expect(failure.fileCleanupFailure.outcome).toEqual({
+      kind: "completed",
+      value: file.bytes,
+    });
+    expect(failure.fileCleanupFailure.completionCancellation).toBeUndefined();
+    expect(failure.reason).not.toBe("cancelled");
+    file.release();
+    await failure.cleanupLease.release();
+    expect(file.handle.fd).toBe(-1);
+  } finally {
+    file.release();
+    await scope.close();
+  }
+});
diff --git a/tests/boundary/pcap/pcapProviderCrossPlatform.test.ts b/tests/boundary/pcap/pcapProviderCrossPlatform.test.ts
index 6b16cdf61..8f07d6c7c 100644
--- a/tests/boundary/pcap/pcapProviderCrossPlatform.test.ts
+++ b/tests/boundary/pcap/pcapProviderCrossPlatform.test.ts
@@ -7,12 +7,15 @@
  * refusal paths, and cancellation before spawn.
  */
 import { createHash } from "node:crypto";
-import { writeFile } from "node:fs/promises";
+import { open, writeFile } from "node:fs/promises";
 import { join } from "node:path";
-import { expect, it, onTestFinished } from "vitest";
+import { expect, it, onTestFinished, vi } from "vitest";
 import { createTestTempDirectory } from "../../fixtures/temporaryDirectory.js";
 
 import { PcapProvider } from "../../../src/pcap/PcapProvider.js";
+import { PcapSnapshot } from "../../../src/pcap/PcapSnapshot.js";
+import * as regularFile from "../../../src/filesystem/RegularFile.js";
+import { OwnedFileHandle } from "../../../src/filesystem/OwnedFileHandle.js";
 import type { PcapCommandLauncher } from "../../../src/pcap/PcapCommand.js";
 import { projectAnalysisError } from "../../../src/domain/analysisErrorProjection.js";
 import type { PcapRequest } from "../../../src/domain/pcap/pcapAnalysis.js";
@@ -200,3 +203,37 @@ it.runIf(!hasNativeBound)(
     expect(projected.remediation.action).toBe(projected.message);
   },
 );
+
+it("retains a verification admission owner before translating cancellation", async () => {
+  const root = await createTestTempDirectory("rea-pcap-verify-admission-");
+  const path = join(root, "held.bin");
+  await writeFile(path, "held capture bytes");
+  const handle = await open(path, "r");
+  const owner = new OwnedFileHandle(handle);
+  const controller = new AbortController();
+  const reason = null;
+  const snapshot = await PcapSnapshot.create();
+  const admission = vi
+    .spyOn(regularFile, "openRegularFile")
+    .mockImplementationOnce(async () => {
+      controller.abort(reason);
+      throw new regularFile.RegularFileAdmissionFailure(
+        snapshot.path,
+        new regularFile.RegularFileOperationCancelled(reason),
+        new Error("admission close unavailable"),
+        owner,
+      );
+    });
+  try {
+    await expect(
+      snapshot.verify({ bytes: 0, sha256: "unused" }, path, controller.signal),
+    ).rejects.toMatchObject({ _tag: "AnalysisCancelledError", cause: reason });
+    expect(handle.fd).toBeGreaterThanOrEqual(0);
+    await snapshot.close();
+    expect(handle.fd).toBe(-1);
+  } finally {
+    admission.mockRestore();
+    await snapshot.close();
+    await owner.close();
+  }
+});
diff --git a/tests/boundary/providers/adb/adbHashCleanupConsumers.test.ts b/tests/boundary/providers/adb/adbHashCleanupConsumers.test.ts
index 4dd6b9fec..93b385b98 100644
--- a/tests/boundary/providers/adb/adbHashCleanupConsumers.test.ts
+++ b/tests/boundary/providers/adb/adbHashCleanupConsumers.test.ts
@@ -1,13 +1,15 @@
-import { readFile, writeFile } from "node:fs/promises";
+import { readFile, writeFile, type FileHandle } from "node:fs/promises";
 import { join } from "node:path";
 import { afterEach, expect, onTestFinished, test, vi } from "vitest";
 
 import { AdbProvider } from "../../../../src/adb/AdbProvider.js";
+import * as regularFile from "../../../../src/filesystem/RegularFile.js";
 import { OwnedFileHandle } from "../../../../src/filesystem/OwnedFileHandle.js";
 import {
   execFileBytes,
   execFileOutput,
 } from "../../../../src/process/ExecFileOutput.js";
+import { AnalysisCancelledError } from "../../../../src/domain/analysisErrorCore.js";
 import { projectAnalysisError } from "../../../../src/domain/analysisErrorProjection.js";
 import { createTestTempDirectory } from "../../../fixtures/temporaryDirectory.js";
 
@@ -76,7 +78,7 @@ const fixture = async () => {
   return { root, provider, failFirstClose };
 };
 
-test.each([
+const digestCases = [
   {
     label: "single-file pull",
     retainedPath: (root: string) => join(root, "payload.bin"),
@@ -122,7 +124,9 @@ test.each([
     }),
     expected: { bytes: 12, serial: "device", sha256: expect.any(String) },
   },
-])(
+] as const;
+
+test.each(digestCases)(
   "preserves the linked hash cleanup error through $label",
   async ({ request, expected, retainedPath }) => {
     const f = await fixture();
@@ -150,3 +154,142 @@ test.each([
     );
   },
 );
+
+const errorChainSome = (
+  error: unknown,
+  predicate: (error: unknown) => boolean,
+): boolean => {
+  if (predicate(error)) return true;
+  if (!(error instanceof Error)) return false;
+  return (
+    errorChainSome(error.cause, predicate) ||
+    (error instanceof AggregateError &&
+      error.errors.some((child: unknown) => errorChainSome(child, predicate)))
+  );
+};
+
+for (const closeFails of [false, true]) {
+  test.each(digestCases)(
+    `preserves a read failure through $label when close aborts (close fails: ${String(closeFails)})`,
+    async ({ request, retainedPath }) => {
+      const f = await fixture();
+      const path = retainedPath(f.root);
+      const controller = new AbortController();
+      const primary = Object.assign(
+        new Error("injected physical digest read EIO"),
+        { code: "EIO" },
+      );
+      const nativeOpen = regularFile.openRegularFile;
+      let opened: FileHandle | undefined;
+      vi.spyOn(regularFile, "openRegularFile").mockImplementation(
+        async (selected, options) => {
+          const file = await nativeOpen(selected, options);
+          if (selected === path) {
+            opened = file;
+            vi.spyOn(file, "read").mockRejectedValueOnce(primary);
+          }
+          return file;
+        },
+      );
+      const nativeClose = OwnedFileHandle.prototype.close;
+      let allowClose = !closeFails;
+      let owner: OwnedFileHandle | undefined;
+      vi.spyOn(OwnedFileHandle.prototype, "close").mockImplementation(
+        async function (this: OwnedFileHandle) {
+          if (this.handle === opened) {
+            owner = this;
+            controller.abort("cancelled after the physical failure");
+            if (!allowClose) throw new Error("digest close remains blocked");
+          }
+          return nativeClose.call(this);
+        },
+      );
+      try {
+        const result = await f.provider.execute(request(f.root), {
+          signal: controller.signal,
+        });
+        expect(result.ok).toBe(false);
+        if (result.ok) throw new Error("Expected digest read failure");
+        expect(projectAnalysisError(result.error).code).not.toBe("cancelled");
+        expect(
+          errorChainSome(
+            result.error,
+            (cause) => cause instanceof AnalysisCancelledError,
+          ),
+        ).toBe(false);
+        expect(errorChainSome(result.error, (cause) => cause === primary)).toBe(
+          true,
+        );
+        if (closeFails) expect(result.error.cleanupIncomplete).toBe(true);
+        allowClose = true;
+        await f.provider.close();
+        expect(owner?.handle.fd).toBe(-1);
+        expect(result.error.cleanupIncomplete).toBe(false);
+      } finally {
+        allowClose = true;
+        await f.provider.close();
+        if (owner !== undefined) await nativeClose.call(owner);
+      }
+    },
+  );
+}
+
+for (const closeFails of [false, true]) {
+  test.each(digestCases)(
+    `retains exact cancellation and completed digest through $label (close fails: ${String(closeFails)})`,
+    async ({ request, retainedPath }) => {
+      const f = await fixture();
+      const path = retainedPath(f.root);
+      const controller = new AbortController();
+      const reason = null;
+      const nativeOpen = regularFile.openRegularFile;
+      let opened: FileHandle | undefined;
+      vi.spyOn(regularFile, "openRegularFile").mockImplementation(
+        async (selected, options) => {
+          const handle = await nativeOpen(selected, options);
+          if (selected === path) opened = handle;
+          return handle;
+        },
+      );
+      const nativeClose = OwnedFileHandle.prototype.close;
+      let allowClose = !closeFails;
+      vi.spyOn(OwnedFileHandle.prototype, "close").mockImplementation(
+        async function (this: OwnedFileHandle) {
+          if (this.handle === opened) {
+            controller.abort(reason);
+            if (!allowClose)
+              throw new Error("digest close remains unavailable");
+          }
+          await nativeClose.call(this);
+        },
+      );
+      try {
+        const result = await f.provider.execute(request(f.root), {
+          signal: controller.signal,
+        });
+        expect(result.ok).toBe(false);
+        if (result.ok) throw new Error("Expected completion cancellation");
+        expect(projectAnalysisError(result.error).code).toBe(
+          closeFails ? "cleanup_incomplete" : "cancelled",
+        );
+        expect(result.error).toBeInstanceOf(AnalysisCancelledError);
+        expect(result.error.cause).toBe(reason);
+        expect(
+          JSON.stringify(
+            projectAnalysisError(result.error).details?.partial_observation,
+          ),
+        ).toContain('"sha256"');
+        expect(result.error.cleanupIncomplete).toBe(closeFails);
+        allowClose = true;
+        await f.provider.close();
+        expect(opened?.fd).toBe(-1);
+        expect(result.error.cleanupIncomplete).toBe(false);
+      } finally {
+        allowClose = true;
+        await f.provider.close();
+        if (opened !== undefined && opened.fd >= 0)
+          await nativeClose.call(new OwnedFileHandle(opened));
+      }
+    },
+  );
+}