diff --git a/packages/daemon-contracts/package.json b/packages/daemon-contracts/package.json
index aef1c885c6..bc4d0cf0af 100644
--- a/packages/daemon-contracts/package.json
+++ b/packages/daemon-contracts/package.json
@@ -32,10 +32,6 @@
       "types": "./src/daemon-registration.ts",
       "default": "./src/daemon-registration.ts"
     },
-    "./daemon-registration-fixtures": {
-      "types": "./src/daemon-registration.fixtures.ts",
-      "default": "./src/daemon-registration.fixtures.ts"
-    },
     "./daemon-registration-owner": {
       "types": "./src/daemon-registration-owner.ts",
       "default": "./src/daemon-registration-owner.ts"
@@ -60,10 +56,6 @@
       "types": "./src/device-claims.ts",
       "default": "./src/device-claims.ts"
     },
-    "./device-claims-fixtures": {
-      "types": "./src/device-claims.fixtures.ts",
-      "default": "./src/device-claims.fixtures.ts"
-    },
     "./provider-credentials": {
       "types": "./src/provider-credentials.ts",
       "default": "./src/provider-credentials.ts"
@@ -80,5 +72,8 @@
       "types": "./src/session-repair-tombstone.ts",
       "default": "./src/session-repair-tombstone.ts"
     }
+  },
+  "devDependencies": {
+    "@agent-device/test-kit": "workspace:*"
   }
 }
diff --git a/packages/daemon-contracts/src/daemon-diagnostics-scope.test.ts b/packages/daemon-contracts/src/daemon-diagnostics-scope.test.ts
index 0ee86269d4..2f462b5c3e 100644
--- a/packages/daemon-contracts/src/daemon-diagnostics-scope.test.ts
+++ b/packages/daemon-contracts/src/daemon-diagnostics-scope.test.ts
@@ -4,7 +4,7 @@ import path from 'node:path';
 import { afterEach, beforeEach, test } from 'vitest';
 import { emitDiagnostic } from '@agent-device/host-kit/diagnostics';
 import { withDaemonDiagnosticsScope } from './daemon-diagnostics-scope.ts';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 
 let dir: string;
 let logPath: string;
diff --git a/packages/daemon-contracts/src/daemon-policy-file.test.ts b/packages/daemon-contracts/src/daemon-policy-file.test.ts
index 3ebae4206b..2757f43405 100644
--- a/packages/daemon-contracts/src/daemon-policy-file.test.ts
+++ b/packages/daemon-contracts/src/daemon-policy-file.test.ts
@@ -4,7 +4,7 @@ import path from 'node:path';
 import { expect, test } from 'vitest';
 import { commandDescriptors } from '@agent-device/command-registry/registry';
 import type { CommandDescriptor } from '@agent-device/command-registry/types';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 import { DAEMON_POLICY_ENV, loadDaemonPolicy, parseDaemonPolicy } from './daemon-policy-file.ts';
 
 const SOURCE = '/etc/agent-device/policy.json';
diff --git a/packages/daemon-contracts/src/daemon-registration.test.ts b/packages/daemon-contracts/src/daemon-registration.test.ts
index 40cf1e3100..f4ba3894d0 100644
--- a/packages/daemon-contracts/src/daemon-registration.test.ts
+++ b/packages/daemon-contracts/src/daemon-registration.test.ts
@@ -7,8 +7,7 @@ import {
   readRegisteredDaemonIdentity,
   readRegisteredDaemonOwnership,
 } from './daemon-registration.ts';
-import { publishDaemonRegistration } from './daemon-registration.fixtures.ts';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync, publishDaemonRegistration } from '@agent-device/test-kit';
 
 const roots: string[] = [];
 
diff --git a/packages/daemon-contracts/src/daemon-shutdown-report.test.ts b/packages/daemon-contracts/src/daemon-shutdown-report.test.ts
index 6aa1bec8d9..ef4a31157c 100644
--- a/packages/daemon-contracts/src/daemon-shutdown-report.test.ts
+++ b/packages/daemon-contracts/src/daemon-shutdown-report.test.ts
@@ -3,7 +3,7 @@ import path from 'node:path';
 import { expect, test } from 'vitest';
 import type { DeviceLease } from '@agent-device/contracts/device';
 import { readDaemonShutdownReport, buildDaemonShutdownReport } from './daemon-shutdown-report.ts';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 
 const claim = {
   deviceKey: 'local:android:none:emulator-5554',
diff --git a/packages/daemon-contracts/src/daemon-stop.test.ts b/packages/daemon-contracts/src/daemon-stop.test.ts
index 0c886a8fd3..e5003cb030 100644
--- a/packages/daemon-contracts/src/daemon-stop.test.ts
+++ b/packages/daemon-contracts/src/daemon-stop.test.ts
@@ -1,6 +1,6 @@
 import fs from 'node:fs';
 import { afterEach, expect, test, vi } from 'vitest';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 
 const mocks = vi.hoisted(() => ({ stopAndRetireDaemon: vi.fn() }));
 vi.mock('./daemon-registration-owner.ts', () => ({
diff --git a/packages/daemon-contracts/src/device-claim-paths.test.ts b/packages/daemon-contracts/src/device-claim-paths.test.ts
new file mode 100644
index 0000000000..5143bbd8b8
--- /dev/null
+++ b/packages/daemon-contracts/src/device-claim-paths.test.ts
@@ -0,0 +1,21 @@
+import path from 'node:path';
+import { expect, test, vi } from 'vitest';
+import { deviceClaimFilePath } from '@agent-device/test-kit';
+import { resolveDeviceClaimPath } from './device-claim-paths.ts';
+
+const DEVICE_KEYS = ['local:android:none:emulator-5554', 'local:ios:ios:ABCD-1234'];
+
+test('the claim file path test-kit restates matches the production resolver', () => {
+  vi.stubEnv('AGENT_DEVICE_CLAIMS_DIR', '');
+  for (const key of DEVICE_KEYS) {
+    expect(deviceClaimFilePath(key)).toBe(resolveDeviceClaimPath(key));
+  }
+});
+
+test('the restated path follows the claims directory override like the resolver', () => {
+  vi.stubEnv('AGENT_DEVICE_CLAIMS_DIR', path.join('relative', 'claims'));
+  for (const key of DEVICE_KEYS) {
+    expect(deviceClaimFilePath(key)).toBe(resolveDeviceClaimPath(key));
+    expect(path.isAbsolute(deviceClaimFilePath(key))).toBe(true);
+  }
+});
diff --git a/packages/daemon/src/sessions/device/__tests__/device-claim-reconciliation.test.ts b/packages/daemon-contracts/src/device-claim-reconciliation.test.ts
similarity index 96%
rename from packages/daemon/src/sessions/device/__tests__/device-claim-reconciliation.test.ts
rename to packages/daemon-contracts/src/device-claim-reconciliation.test.ts
index 4d51b8a280..ebbe776150 100644
--- a/packages/daemon/src/sessions/device/__tests__/device-claim-reconciliation.test.ts
+++ b/packages/daemon-contracts/src/device-claim-reconciliation.test.ts
@@ -1,4 +1,4 @@
-import { createDeviceClaimReconciler } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { createDeviceClaimReconciler } from './device-claim-reconciliation.ts';
 import { appLogResourceStore } from '@agent-device/capture-kit/app-log-durable-resource';
 import fs from 'node:fs';
 import path from 'node:path';
@@ -15,7 +15,7 @@ import {
   mkdtempForTestSync,
   unavailableDeploymentSnapshotAndShutdownOperationFacts,
 } from '@agent-device/test-kit';
-import type { DeviceClaim } from '@agent-device/daemon-contracts/device-claims';
+import type { DeviceClaim } from './device-claims.ts';
 
 const scope = {
   signal: new AbortController().signal,
diff --git a/packages/daemon-contracts/src/device-claims.fixtures.ts b/packages/daemon-contracts/src/device-claims.fixtures.ts
deleted file mode 100644
index 8fbf1d6f35..0000000000
--- a/packages/daemon-contracts/src/device-claims.fixtures.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export { resolveDeviceClaimPath } from './device-claim-paths.ts';
-export { createDeviceClaimReconciler } from './device-claim-reconciliation.ts';
diff --git a/packages/daemon-contracts/src/session-artifact-paths.test.ts b/packages/daemon-contracts/src/session-artifact-paths.test.ts
index f5831fe17d..f960c0fce4 100644
--- a/packages/daemon-contracts/src/session-artifact-paths.test.ts
+++ b/packages/daemon-contracts/src/session-artifact-paths.test.ts
@@ -4,7 +4,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { AppError } from '@agent-device/kernel/errors';
 import { requireManagedSessionArtifactPath, resolveSessionDir } from './session-artifact-paths.ts';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 
 test('resolveSessionDir keeps every session dir beneath the sessions dir', () => {
   const sessionsDir = path.join(
diff --git a/packages/daemon-contracts/src/session-repair-tombstone.test.ts b/packages/daemon-contracts/src/session-repair-tombstone.test.ts
index aaf252c0bb..33db7e6a99 100644
--- a/packages/daemon-contracts/src/session-repair-tombstone.test.ts
+++ b/packages/daemon-contracts/src/session-repair-tombstone.test.ts
@@ -3,7 +3,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { expect, test } from 'vitest';
 import { AppError } from '@agent-device/kernel/errors';
-import { mkdtempForTestSync } from './tmp-dir.fixtures.ts';
+import { mkdtempForTestSync } from '@agent-device/test-kit';
 import {
   findUnrecoveredRepairCommitFailure,
   readRepairTombstoneFile,
diff --git a/packages/daemon-contracts/src/tmp-dir.fixtures.ts b/packages/daemon-contracts/src/tmp-dir.fixtures.ts
deleted file mode 100644
index 6df3c9f35c..0000000000
--- a/packages/daemon-contracts/src/tmp-dir.fixtures.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import fs from 'node:fs';
-import fsPromises from 'node:fs/promises';
-import os from 'node:os';
-import path from 'node:path';
-
-export async function mkdtempForTest(prefix: string): Promise<string> {
-  return fsPromises.mkdtemp(path.join(os.tmpdir(), prefix));
-}
-
-export function mkdtempForTestSync(prefix: string): string {
-  return fs.mkdtempSync(path.join(os.tmpdir(), prefix));
-}
diff --git a/packages/daemon-contracts/tsconfig.json b/packages/daemon-contracts/tsconfig.json
index ab0246c7e8..f9223e85e5 100644
--- a/packages/daemon-contracts/tsconfig.json
+++ b/packages/daemon-contracts/tsconfig.json
@@ -15,6 +15,7 @@
     { "path": "../command-registry" },
     { "path": "../contracts" },
     { "path": "../host-kit" },
-    { "path": "../kernel" }
+    { "path": "../kernel" },
+    { "path": "../test-kit" }
   ]
 }
diff --git a/packages/daemon/src/resources/device/__tests__/device-claim-admission.test.ts b/packages/daemon/src/resources/device/__tests__/device-claim-admission.test.ts
index d533809a9d..57830bb24d 100644
--- a/packages/daemon/src/resources/device/__tests__/device-claim-admission.test.ts
+++ b/packages/daemon/src/resources/device/__tests__/device-claim-admission.test.ts
@@ -1,4 +1,4 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { ANDROID_EMULATOR, deviceClaimFilePath } from '@agent-device/test-kit';
 import { expect, test } from 'vitest';
 import {
   daemonPlatformServicesFixture,
@@ -8,7 +8,6 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { localRuntimeOwner, providerRuntimeOwner } from '@agent-device/contracts/platform-runtime';
 import { asAppError } from '@agent-device/kernel/errors';
-import { ANDROID_EMULATOR } from '@agent-device/test-kit';
 import {
   isolatedDeviceClaimStores,
   retainOrphanedDeviceClaims,
@@ -168,7 +167,7 @@ test('an ordinary owner is refused for an unknown-schema claim record, not waved
   const { stateDir, claimsDir } = setup();
   fs.mkdirSync(claimsDir, { recursive: true });
   const deviceKey = canonicalLocalDeviceKey(ANDROID_EMULATOR);
-  const claimPath = resolveDeviceClaimPath(deviceKey);
+  const claimPath = deviceClaimFilePath(deviceKey);
   const record = JSON.stringify({
     schemaVersion: 3,
     deviceKey,
diff --git a/packages/daemon/src/resources/device/__tests__/device-claim-prune.test.ts b/packages/daemon/src/resources/device/__tests__/device-claim-prune.test.ts
index 3b7bbe3ed0..00cc022268 100644
--- a/packages/daemon/src/resources/device/__tests__/device-claim-prune.test.ts
+++ b/packages/daemon/src/resources/device/__tests__/device-claim-prune.test.ts
@@ -1,4 +1,9 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import {
+  deviceClaimFilePath,
+  mkdtempForTestSync,
+  pinOwnProcessStartTime,
+  publishDaemonRegistration,
+} from '@agent-device/test-kit';
 import assert from 'node:assert/strict';
 import fs from 'node:fs';
 
@@ -8,9 +13,6 @@ import { reconcileOrphanedDeviceClaims } from '@agent-device/daemon-contracts/de
 import { acquireProcessLock } from '@agent-device/host-kit/file';
 import * as hostProcess from '@agent-device/host-kit/process';
 import { readCurrentOwnerIdentity } from '@agent-device/host-kit/process';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
-
-import { mkdtempForTestSync, pinOwnProcessStartTime } from '@agent-device/test-kit';
 
 pinOwnProcessStartTime(hostProcess);
 
@@ -29,7 +31,7 @@ function writeClaim(
 ): void {
   const deviceKey = `local:android:none:${fileName}`;
   fs.writeFileSync(
-    resolveDeviceClaimPath(deviceKey),
+    deviceClaimFilePath(deviceKey),
     JSON.stringify({
       schemaVersion: 1,
       deviceKey,
@@ -67,7 +69,7 @@ test('reconciles claims whose owner is gone and keeps every other claim', async
       process.cwd(),
     );
 
-    const claimPathFor = (name: string) => resolveDeviceClaimPath(`local:android:none:${name}`);
+    const claimPathFor = (name: string) => deviceClaimFilePath(`local:android:none:${name}`);
     assert.deepEqual(summary, { examined: 1, reconciled: 1, retained: 0, changed: 0 });
     assert.equal(fs.existsSync(claimPathFor('dead.json')), false);
     assert.equal(fs.existsSync(claimPathFor('live.json')), true);
@@ -103,7 +105,7 @@ test('leaves a live successor written while the reconciliation waited for the cl
   process.env.AGENT_DEVICE_CLAIMS_DIR = claimsDir;
   const owner = readCurrentOwnerIdentity();
   const deviceKey = 'local:android:none:contested';
-  const claimPath = resolveDeviceClaimPath(deviceKey);
+  const claimPath = deviceClaimFilePath(deviceKey);
   const writeContested = (ownerPid: number, ownerStartTime: string | null, token: string) => {
     fs.writeFileSync(
       claimPath,
@@ -175,10 +177,7 @@ test('reconciles a claim whose owning daemon was replaced while still running',
     );
 
     assert.deepEqual(summary, { examined: 1, reconciled: 1, retained: 0, changed: 0 });
-    assert.equal(
-      fs.existsSync(resolveDeviceClaimPath('local:android:none:superseded.json')),
-      false,
-    );
+    assert.equal(fs.existsSync(deviceClaimFilePath('local:android:none:superseded.json')), false);
   } finally {
     fs.rmSync(claimsDir, { recursive: true, force: true });
   }
@@ -206,7 +205,7 @@ test('leaves a superseded owner in another state dir to the device that asks for
 
     assert.deepEqual(summary, { examined: 0, reconciled: 0, retained: 0, changed: 0 });
     assert.equal(reconcile.mock.calls.length, 0);
-    assert.equal(fs.existsSync(resolveDeviceClaimPath('local:android:none:foreign.json')), true);
+    assert.equal(fs.existsSync(deviceClaimFilePath('local:android:none:foreign.json')), true);
   } finally {
     fs.rmSync(claimsDir, { recursive: true, force: true });
   }
diff --git a/packages/daemon/src/resources/device/__tests__/device-claim-settlement.test.ts b/packages/daemon/src/resources/device/__tests__/device-claim-settlement.test.ts
index 72886b8204..e43e2bebc6 100644
--- a/packages/daemon/src/resources/device/__tests__/device-claim-settlement.test.ts
+++ b/packages/daemon/src/resources/device/__tests__/device-claim-settlement.test.ts
@@ -11,8 +11,11 @@ import {
 } from '@agent-device/daemon-contracts/device-claims';
 import type { DeviceBootObservationService } from '@agent-device/contracts/device-boot';
 import type { DeviceInfo } from '@agent-device/kernel/device';
-import { mkdtempForTestSync, pinOwnProcessStartTime } from '@agent-device/test-kit';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
+import {
+  mkdtempForTestSync,
+  pinOwnProcessStartTime,
+  publishDaemonRegistration,
+} from '@agent-device/test-kit';
 pinOwnProcessStartTime(hostProcess);
 
 const device: DeviceInfo = {
diff --git a/packages/daemon/src/resources/device/__tests__/device-claims.test.ts b/packages/daemon/src/resources/device/__tests__/device-claims.test.ts
index b1c6155d87..74340b5561 100644
--- a/packages/daemon/src/resources/device/__tests__/device-claims.test.ts
+++ b/packages/daemon/src/resources/device/__tests__/device-claims.test.ts
@@ -13,8 +13,11 @@ import {
   inspectDeviceClaims,
 } from '@agent-device/daemon-contracts/device-claims';
 import type { DeviceInfo } from '@agent-device/kernel/device';
-import { mkdtempForTestSync, pinOwnProcessStartTime } from '@agent-device/test-kit';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
+import {
+  mkdtempForTestSync,
+  pinOwnProcessStartTime,
+  publishDaemonRegistration,
+} from '@agent-device/test-kit';
 import * as hostProcess from '@agent-device/host-kit/process';
 import { readCurrentOwnerIdentity } from '@agent-device/host-kit/process';
 import { acquireProcessLock } from '@agent-device/host-kit/file';
diff --git a/packages/daemon/src/server/__tests__/request-execution-scope-lease-session-end.test.ts b/packages/daemon/src/server/__tests__/request-execution-scope-lease-session-end.test.ts
index ded5a2c0f7..8ee9c26b27 100644
--- a/packages/daemon/src/server/__tests__/request-execution-scope-lease-session-end.test.ts
+++ b/packages/daemon/src/server/__tests__/request-execution-scope-lease-session-end.test.ts
@@ -1,8 +1,7 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { deviceClaimFilePath, mkdtempForTestSync } from '@agent-device/test-kit';
 import fs from 'node:fs';
 import path from 'node:path';
 import { expect, test, vi } from 'vitest';
-import { mkdtempForTestSync } from '@agent-device/test-kit';
 import { authoringPublication, makeIosSession } from '../../__tests__/support/session-factories.ts';
 import { makeSessionStore } from '../../__tests__/support/store-factory.ts';
 import {
@@ -41,7 +40,7 @@ async function publishLeasedSession(
   });
   if (acquired.status !== 'acquired') throw new Error('expected an acquired claim');
   sessionStore.publish(name, { ...session, deviceClaim: acquired.ownership });
-  return resolveDeviceClaimPath(acquired.ownership.deviceKey);
+  return deviceClaimFilePath(acquired.ownership.deviceKey);
 }
 
 function holdSessionLocks(
diff --git a/packages/daemon/src/server/__tests__/session-idle-expiry-harness.ts b/packages/daemon/src/server/__tests__/session-idle-expiry-harness.ts
index af080d4eb8..705989cb4c 100644
--- a/packages/daemon/src/server/__tests__/session-idle-expiry-harness.ts
+++ b/packages/daemon/src/server/__tests__/session-idle-expiry-harness.ts
@@ -1,4 +1,4 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { deviceClaimFilePath, IOS_SIMULATOR, mkdtempForTestSync } from '@agent-device/test-kit';
 import { assert } from 'vitest';
 import fs from 'node:fs';
 import path from 'node:path';
@@ -15,7 +15,6 @@ import {
   acquireDeviceClaim,
   type DeviceClaimSessionOwnership,
 } from '@agent-device/daemon-contracts/device-claims';
-import { IOS_SIMULATOR, mkdtempForTestSync } from '@agent-device/test-kit';
 
 /** The inactivity window every harness session is already past, except where a test says otherwise. */
 export const WINDOW_MS = 1_000;
@@ -135,7 +134,7 @@ export function createIdleExpiryHarness(): Readonly<{
       fixture.sessionStore.publish(name, session);
       return { session, deviceClaim: acquired.ownership };
     },
-    claimFileHeld: (deviceClaim) => fs.existsSync(resolveDeviceClaimPath(deviceClaim.deviceKey)),
+    claimFileHeld: (deviceClaim) => fs.existsSync(deviceClaimFilePath(deviceClaim.deviceKey)),
     runUntilIdle: (controller, ms) => {
       controller.noteSessionsChanged();
       return new Promise((resolve) => setTimeout(resolve, ms));
diff --git a/packages/daemon/src/server/http/daemon-metadata-loss.test.ts b/packages/daemon/src/server/http/daemon-metadata-loss.test.ts
index e5d4c6368a..2075ae8dde 100644
--- a/packages/daemon/src/server/http/daemon-metadata-loss.test.ts
+++ b/packages/daemon/src/server/http/daemon-metadata-loss.test.ts
@@ -2,8 +2,7 @@ import assert from 'node:assert/strict';
 import fs from 'node:fs';
 import path from 'node:path';
 import { describe, test, vi } from 'vitest';
-import { mkdtempForTestSync } from '@agent-device/test-kit';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
+import { mkdtempForTestSync, publishDaemonRegistration } from '@agent-device/test-kit';
 import {
   readDaemonMetadataLoss,
   watchDaemonMetadataLoss,
diff --git a/packages/daemon/src/server/http/daemon-runtime-lifecycle-shutdown.test.ts b/packages/daemon/src/server/http/daemon-runtime-lifecycle-shutdown.test.ts
index 81c91e244e..b618bf8181 100644
--- a/packages/daemon/src/server/http/daemon-runtime-lifecycle-shutdown.test.ts
+++ b/packages/daemon/src/server/http/daemon-runtime-lifecycle-shutdown.test.ts
@@ -1,8 +1,7 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { ANDROID_EMULATOR, deviceClaimFilePath, mkdtempForTestSync } from '@agent-device/test-kit';
 import fs from 'node:fs';
 import path from 'node:path';
 import { afterEach, expect, test, vi } from 'vitest';
-import { ANDROID_EMULATOR, mkdtempForTestSync } from '@agent-device/test-kit';
 import { platformResourceCleanupFixture } from '../../__tests__/support/platform-resource-cleanup-fixture.ts';
 
 const lifecycleEvents = vi.hoisted(() => [] as string[]);
@@ -292,7 +291,7 @@ test('shutdown includes drain publications, releases their claims and refuses po
     expect(refusal).toMatchObject({ details: { reason: 'daemon_shutting_down' } });
     expect(store.lookup('draining')).toBeUndefined();
     expect(store.lookup('late')).toBeUndefined();
-    expect(fs.existsSync(resolveDeviceClaimPath(acquired.ownership.deviceKey))).toBe(false);
+    expect(fs.existsSync(deviceClaimFilePath(acquired.ownership.deviceKey))).toBe(false);
   } finally {
     await runtime?.shutdown();
   }
@@ -410,7 +409,7 @@ test('shutdown joins dispatch completion after force-closing the client before t
     expect(publicationError).toBeUndefined();
     expect(shutdownProbe.finalize).toHaveBeenCalledOnce();
     expect(store.lookup('dispatching')).toBeUndefined();
-    expect(fs.existsSync(resolveDeviceClaimPath(acquired.ownership.deviceKey))).toBe(false);
+    expect(fs.existsSync(deviceClaimFilePath(acquired.ownership.deviceKey))).toBe(false);
   } finally {
     release();
     await request;
diff --git a/packages/daemon/src/server/http/daemon-runtime-metadata-ownership.test.ts b/packages/daemon/src/server/http/daemon-runtime-metadata-ownership.test.ts
index b2314bf28d..0e897bb4af 100644
--- a/packages/daemon/src/server/http/daemon-runtime-metadata-ownership.test.ts
+++ b/packages/daemon/src/server/http/daemon-runtime-metadata-ownership.test.ts
@@ -1,8 +1,7 @@
 import fs from 'node:fs';
 import path from 'node:path';
 import { afterEach, expect, test, vi } from 'vitest';
-import { mkdtempForTestSync } from '@agent-device/test-kit';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
+import { mkdtempForTestSync, publishDaemonRegistration } from '@agent-device/test-kit';
 
 const lifecycleEvents = vi.hoisted(() => [] as string[]);
 const startupFailure = vi.hoisted(() => ({ active: false }));
diff --git a/packages/daemon/src/server/http/daemon-session-idle-expiry.test.ts b/packages/daemon/src/server/http/daemon-session-idle-expiry.test.ts
index 55d46c5f59..17fc12a43e 100644
--- a/packages/daemon/src/server/http/daemon-session-idle-expiry.test.ts
+++ b/packages/daemon/src/server/http/daemon-session-idle-expiry.test.ts
@@ -1,4 +1,4 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { deviceClaimFilePath } from '@agent-device/test-kit';
 import { test } from 'vitest';
 import assert from 'node:assert/strict';
 import fs from 'node:fs';
@@ -77,7 +77,7 @@ test('a settle that cannot confirm the claim gone keeps the session record stand
 
   // A claim store this process cannot write into: the clear reaches NO verdict, which is different
   // information from a successor having taken the device.
-  const claimsDir = path.dirname(resolveDeviceClaimPath(deviceClaim.deviceKey));
+  const claimsDir = path.dirname(deviceClaimFilePath(deviceClaim.deviceKey));
   fs.chmodSync(claimsDir, 0o500);
   try {
     const sweeps = createSweepBarrier();
@@ -117,7 +117,7 @@ test('a claim that yields no attributable owner keeps the session record standin
   // The record this daemon wrote is now unreadable. The clear therefore learns nothing about whether
   // its claim is gone, which is a different answer from a successor owning the device — and only that
   // successor case may justify forgetting a session whose daemon is still alive.
-  fs.writeFileSync(resolveDeviceClaimPath(deviceClaim.deviceKey), '{bad json');
+  fs.writeFileSync(deviceClaimFilePath(deviceClaim.deviceKey), '{bad json');
 
   const sweeps = createSweepBarrier();
   const controller = createSessionIdleExpiry({
@@ -295,7 +295,7 @@ test('a held-back settle leaves a repair transaction uncommitted, so a later pas
   sessionStore.retire(sessionStore.lookup('default')!);
   sessionStore.publish('default', session);
 
-  const claimsDir = path.dirname(resolveDeviceClaimPath(deviceClaim.deviceKey));
+  const claimsDir = path.dirname(deviceClaimFilePath(deviceClaim.deviceKey));
   const sweeps = createSweepBarrier();
   const settleParams = {
     sessionStore,
diff --git a/packages/daemon/src/server/http/daemon-shutdown-claims.test.ts b/packages/daemon/src/server/http/daemon-shutdown-claims.test.ts
index de1600f3d7..7f3cd9e54f 100644
--- a/packages/daemon/src/server/http/daemon-shutdown-claims.test.ts
+++ b/packages/daemon/src/server/http/daemon-shutdown-claims.test.ts
@@ -1,6 +1,5 @@
-import { resolveDeviceClaimPath } from '@agent-device/daemon-contracts/device-claims-fixtures';
+import { ANDROID_EMULATOR, deviceClaimFilePath } from '@agent-device/test-kit';
 import { afterEach, expect, test, vi } from 'vitest';
-import { ANDROID_EMULATOR } from '@agent-device/test-kit';
 import {
   isolatedDeviceClaimStores,
   retainOrphanedDeviceClaims,
@@ -83,7 +82,7 @@ test('a claim replaced by a successor owner is reported superseded, never releas
   // from under it, and another owner claims the same device before this daemon
   // reaches teardown. `clearDeviceClaim` finds a claim it does not own and
   // deliberately leaves it alone, so "the call resolved" cannot mean "released".
-  fs.rmSync(resolveDeviceClaimPath(deviceKey));
+  fs.rmSync(deviceClaimFilePath(deviceKey));
   const successor = await acquireDeviceClaim({
     device: ANDROID_EMULATOR,
     session: 'successor',
@@ -112,7 +111,7 @@ test('an undecodable record is reported unattributable, never orphaned or supers
   // `superseded`; and it is not `orphaned` either, because that bucket's remedy is
   // `device release --stale`, which proves staleness from the recorded owner this record does not
   // have. Claiming the bucket would send the operator to a command that refuses this record.
-  fs.writeFileSync(resolveDeviceClaimPath(deviceKey), '{bad json');
+  fs.writeFileSync(deviceClaimFilePath(deviceKey), '{bad json');
 
   const ledger = createDaemonShutdownClaimLedger();
   await ledger.releaseClaim(session);
diff --git a/packages/daemon-contracts/src/daemon-registration.fixtures.ts b/packages/test-kit/src/daemon-registration-fixtures.ts
similarity index 100%
rename from packages/daemon-contracts/src/daemon-registration.fixtures.ts
rename to packages/test-kit/src/daemon-registration-fixtures.ts
diff --git a/packages/test-kit/src/device-claim-fixtures.ts b/packages/test-kit/src/device-claim-fixtures.ts
new file mode 100644
index 0000000000..7922437f28
--- /dev/null
+++ b/packages/test-kit/src/device-claim-fixtures.ts
@@ -0,0 +1,16 @@
+import crypto from 'node:crypto';
+import os from 'node:os';
+import path from 'node:path';
+
+/**
+ * Where a device claim is stored on disk: `<claims dir>/<sha256(deviceKey)>.json`, with the claims
+ * dir overridable through `AGENT_DEVICE_CLAIMS_DIR`. Restated here so tests pin the layout the CLI
+ * and the daemon share instead of re-importing the production resolver.
+ */
+export function deviceClaimFilePath(deviceKey: string): string {
+  const override = process.env.AGENT_DEVICE_CLAIMS_DIR?.trim();
+  const root = override
+    ? path.resolve(override)
+    : path.join(os.homedir(), '.agent-device', 'device-claims');
+  return path.join(root, `${crypto.createHash('sha256').update(deviceKey).digest('hex')}.json`);
+}
diff --git a/packages/test-kit/src/index.ts b/packages/test-kit/src/index.ts
index 4e18cb8069..bcffe42ac6 100644
--- a/packages/test-kit/src/index.ts
+++ b/packages/test-kit/src/index.ts
@@ -15,6 +15,8 @@ export {
   type BoundaryInvariant,
 } from './boundary-fault-matrix.ts';
 export { withNoColor, withNoColorAsync } from './color.ts';
+export { publishDaemonRegistration } from './daemon-registration-fixtures.ts';
+export { deviceClaimFilePath } from './device-claim-fixtures.ts';
 export {
   ANDROID_DEVICE,
   ANDROID_EMULATOR,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1963fa7ebe..086dfd0760 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -377,6 +377,10 @@ importers:
       '@agent-device/kernel':
         specifier: workspace:*
         version: link:../kernel
+    devDependencies:
+      '@agent-device/test-kit':
+        specifier: workspace:*
+        version: link:../test-kit
 
   packages/device-selection:
     dependencies:
diff --git a/src/__tests__/cli-device-status.test.ts b/src/__tests__/cli-device-status.test.ts
index bcb8e37dab..a17b936721 100644
--- a/src/__tests__/cli-device-status.test.ts
+++ b/src/__tests__/cli-device-status.test.ts
@@ -5,8 +5,11 @@ import { test } from 'vitest';
 import * as hostProcess from '@agent-device/host-kit/process';
 import { readCurrentOwnerIdentity } from '@agent-device/host-kit/process';
 import { runCliCapture } from './cli-capture.ts';
-import { publishDaemonRegistration } from '@agent-device/daemon-contracts/daemon-registration-fixtures';
-import { mkdtempForTestSync, pinOwnProcessStartTime } from '@agent-device/test-kit';
+import {
+  mkdtempForTestSync,
+  pinOwnProcessStartTime,
+  publishDaemonRegistration,
+} from '@agent-device/test-kit';
 
 pinOwnProcessStartTime(hostProcess);