diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8424910..20ba2e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
           submodules: recursive
       - uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: 22.12
           cache: npm
       - run: npm ci
       - run: node --test scripts/*.node-test.js
@@ -57,7 +57,7 @@ jobs:
           submodules: recursive
       - uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: 22.12
           cache: npm
       - uses: dtolnay/rust-toolchain@stable
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8816efc..fcec851 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -43,7 +43,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: 22.12
           cache: npm
       - name: Verify tagged release version
         if: github.event_name == 'push' || inputs.publish_release
diff --git a/package-lock.json b/package-lock.json
index e155cdc..3a13fe2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,10 +41,10 @@
         "tailwindcss": "^4.3.3",
         "typescript": "^7.0.2",
         "vite": "^8.2.2",
-        "vitest": "^4.1.11"
+        "vitest": "^5.0.0"
       },
       "engines": {
-        "node": ">=22"
+        "node": ">=22.12"
       }
     },
     "node_modules/@babel/runtime": {
@@ -418,13 +418,6 @@
       "integrity": "sha512-2j9bGt5Jh8hj+vPtgzPtl72j0yRxHAyumoo6TNfAjsLB04UtpSvPbPcDcBMxz7n+9CYB0c1GxQFxYRg2jimqGw==",
       "license": "MIT"
     },
-    "node_modules/@standard-schema/spec": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
-      "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/@tailwindcss/node": {
       "version": "4.3.3",
       "resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.3.3.tgz",
@@ -1445,34 +1438,17 @@
         }
       }
     },
-    "node_modules/@vitest/expect": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-4.1.11.tgz",
-      "integrity": "sha512-VX2x5vNJXET47KAFzwERI+KRMtTTCSWTfSMKsW7JsUsXV4psq++e3DvZpuTDOpHcxytiDs6p2nhVb2tVDiiUYw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@standard-schema/spec": "^1.1.0",
-        "@types/chai": "^5.2.2",
-        "@vitest/spy": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "chai": "^6.2.2",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
     "node_modules/@vitest/mocker": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.1.11.tgz",
-      "integrity": "sha512-2XJVD55d1o5AZous5CCGKS74g/riOj9odEt2bQpCVZeblHyHdnMeFl4jl0XjU21stf4mbjUkew2eXQZt65g5CQ==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-5.0.0.tgz",
+      "integrity": "sha512-66PGTMIiVJP3t4a5yxU9qPtf7MdTBs8jmToMvy+HVflB3Yy13WJZTtPePdvU+wjRV02SKK5doLbSA6o9pwOmiA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/spy": "4.1.11",
+        "@jridgewell/trace-mapping": "0.3.31",
+        "@vitest/spy": "5.0.0",
         "estree-walker": "^3.0.3",
-        "magic-string": "^0.30.21"
+        "magic-string": "^1.2.3"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -1490,74 +1466,26 @@
         }
       }
     },
-    "node_modules/@vitest/pretty-format": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/pretty-format/-/pretty-format-4.1.11.tgz",
-      "integrity": "sha512-yiZzPbGTS9Sr/JpFl8zHrcIkAofNbFV6k21vIgQN/cY/oxZeXhJv5sc/MBJ5jFKWmWs+oJHw0UXLZjmf931+Vw==",
+    "node_modules/@vitest/mocker/node_modules/magic-string": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-1.2.3.tgz",
+      "integrity": "sha512-Bpb0W2TbLKOZ7vJnOUnVRGq3WL2p+ISV29M6hYPL1AFCpyKZpdr5ytiXoTSSxRVhg8YW7f65+6gbG8WG6PCa/g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/runner": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/runner/-/runner-4.1.11.tgz",
-      "integrity": "sha512-LztvUgdwMNJMIkj3hQnnxiC2Xy1zNxq928W/xhjCLaNCzqTZOudjwbQf6v9IntZGPw132i2Lq2rgTRZHD3JHNw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/utils": "4.1.11",
-        "pathe": "^2.0.3"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
-    "node_modules/@vitest/snapshot": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/snapshot/-/snapshot-4.1.11.tgz",
-      "integrity": "sha512-pN7ikn1ON7h8ee4gIAp4AzyK+zBtJPzVbqOgu5LCEh4VaJVbPQcgYQYJIMGQPXVeJJq1fnfazis7a5pFNPahog==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "magic-string": "^0.30.21",
-        "pathe": "^2.0.3"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
+        "@jridgewell/sourcemap-codec": "^1.5.5"
       }
     },
     "node_modules/@vitest/spy": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-4.1.11.tgz",
-      "integrity": "sha512-apNa/prQy2qCeywhnixOHPRCgGNhvg7T4Dapfl1GahLp/R+uhBm5cPyFoNVyqsNd2h1nJxL6BqqdIjiABL60YA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@vitest/spy/-/spy-5.0.0.tgz",
+      "integrity": "sha512-uy+luWBAPw9XfthoHi5AkfHUnuPYEESjl0p/r+meoBnU8bxg5GDQ3Ey8MjcJ6sqahkL4PFyrvfMJJBw7LbU06g==",
       "dev": true,
       "license": "MIT",
       "funding": {
         "url": "https://opencollective.com/vitest"
       }
     },
-    "node_modules/@vitest/utils": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/@vitest/utils/-/utils-4.1.11.tgz",
-      "integrity": "sha512-zTCVGpyFsGWBhllOyKlTw/vnr6D9qxsfSDyfbyZmTyjHw5N/VuvzHpHoQjm2ZJzn4RJgx5w4r7V0er69CmLgPQ==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "@vitest/pretty-format": "4.1.11",
-        "convert-source-map": "^2.0.0",
-        "tinyrainbow": "^3.1.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/vitest"
-      }
-    },
     "node_modules/assertion-error": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
@@ -1683,13 +1611,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/convert-source-map": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
-      "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/csstype": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
@@ -1727,9 +1648,9 @@
       }
     },
     "node_modules/es-module-lexer": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-2.3.1.tgz",
-      "integrity": "sha512-shc1dbU90Yl/xq1QrC7QRtfcwURZuVRfPhZbDoldJ1cn1gzDvBaBWlv0eFolj5+0znnPJz5TXLxsN77X/12KTA==",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-2.3.2.tgz",
+      "integrity": "sha512-poHGpORABojJJucnV9KbOavETW8lBVnphkW77ER5/BQ5Fz7oXSoCNek7IH3vR5nRjdsEz926ibFYX8KtLQmdyw==",
       "dev": true,
       "license": "MIT"
     },
@@ -2181,13 +2102,6 @@
         "node": ">=12.20.0"
       }
     },
-    "node_modules/pathe": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/pathe/-/pathe-2.0.3.tgz",
-      "integrity": "sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -2195,9 +2109,9 @@
       "license": "ISC"
     },
     "node_modules/picomatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.5.tgz",
-      "integrity": "sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==",
+      "version": "4.0.7",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.7.tgz",
+      "integrity": "sha512-qcJu88Q2IWqJsDD529JKMdwGm/dvInW4HvQnRwiH9JtihJvzGOscDtHE3x1pBKeUOTysQ8kVmLnJ2kJu7yhcGA==",
       "license": "MIT",
       "engines": {
         "node": ">=12"
@@ -2377,11 +2291,14 @@
       }
     },
     "node_modules/tinybench": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-2.9.0.tgz",
-      "integrity": "sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==",
+      "version": "6.1.4",
+      "resolved": "https://registry.npmjs.org/tinybench/-/tinybench-6.1.4.tgz",
+      "integrity": "sha512-9APumHG7r4yOk4X4WlkmE71aZcv1gvin1czO3OQ1U9iJcFA5Ja/ygyb0vPOVHTthFozUYs8CLoLUlM8grb2lTQ==",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.0.0"
+      }
     },
     "node_modules/tinyexec": {
       "version": "1.3.0",
@@ -2409,16 +2326,6 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
-    "node_modules/tinyrainbow": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/tinyrainbow/-/tinyrainbow-3.1.1.tgz",
-      "integrity": "sha512-yau8yJdTt989Mm0Bd/236QnzEiPf2xLLTqUZRUJOo/3CB078LSwzei343DgtJVmfJKJE3TMINY1u42SQsP6mXw==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=14.0.0"
-      }
-    },
     "node_modules/typescript": {
       "version": "7.0.2",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-7.0.2.tgz",
@@ -2833,38 +2740,31 @@
       }
     },
     "node_modules/vitest": {
-      "version": "4.1.11",
-      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.1.11.tgz",
-      "integrity": "sha512-fhACrNXUidIbGSBr5FlbuBkO7VWC1ZyLl0DO4CU2DrQoAPxX84Ysxs+HeGQpii5lZWV1Q4gBZTTu49mF+A6Edw==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-5.0.0.tgz",
+      "integrity": "sha512-gpsMNoRhMjMktVxPtstOH4/PJuPyovVaMDr4oDilXaGH1EcqM2OE96SoHT2VIQ6fTGtTjqmHDrEu2X9RQiXf8Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@vitest/expect": "4.1.11",
-        "@vitest/mocker": "4.1.11",
-        "@vitest/pretty-format": "4.1.11",
-        "@vitest/runner": "4.1.11",
-        "@vitest/snapshot": "4.1.11",
-        "@vitest/spy": "4.1.11",
-        "@vitest/utils": "4.1.11",
-        "es-module-lexer": "^2.0.0",
-        "expect-type": "^1.3.0",
-        "magic-string": "^0.30.21",
-        "obug": "^2.1.1",
-        "pathe": "^2.0.3",
-        "picomatch": "^4.0.3",
-        "std-env": "^4.0.0-rc.1",
-        "tinybench": "^2.9.0",
-        "tinyexec": "^1.0.2",
-        "tinyglobby": "^0.2.15",
-        "tinyrainbow": "^3.1.0",
-        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0",
+        "@types/chai": "^5.2.2",
+        "@vitest/mocker": "5.0.0",
+        "chai": "^6.2.2",
+        "es-module-lexer": "^2.3.2",
+        "expect-type": "^1.4.0",
+        "magic-string": "^1.2.3",
+        "obug": "^2.1.4",
+        "picomatch": "^4.0.7",
+        "std-env": "^4.2.0",
+        "tinybench": "6.1.4",
+        "tinyexec": "1.3.0",
+        "tinyglobby": "^0.2.17",
         "why-is-node-running": "^2.3.0"
       },
       "bin": {
         "vitest": "vitest.mjs"
       },
       "engines": {
-        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+        "node": "^22.12.0 || ^24.0.0 || >=26.0.0"
       },
       "funding": {
         "url": "https://opencollective.com/vitest"
@@ -2872,16 +2772,16 @@
       "peerDependencies": {
         "@edge-runtime/vm": "*",
         "@opentelemetry/api": "^1.9.0",
-        "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
-        "@vitest/browser-playwright": "4.1.11",
-        "@vitest/browser-preview": "4.1.11",
-        "@vitest/browser-webdriverio": "4.1.11",
-        "@vitest/coverage-istanbul": "4.1.11",
-        "@vitest/coverage-v8": "4.1.11",
-        "@vitest/ui": "4.1.11",
+        "@types/node": "^22.0.0 || >=24.0.0",
+        "@vitest/browser-playwright": "5.0.0",
+        "@vitest/browser-preview": "5.0.0",
+        "@vitest/browser-webdriverio": "^5.0.0-beta.5 || >=5.0.0",
+        "@vitest/coverage-istanbul": "5.0.0",
+        "@vitest/coverage-v8": "5.0.0",
+        "@vitest/ui": "5.0.0",
         "happy-dom": "*",
         "jsdom": "*",
-        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "vite": "^6.4.0 || ^7.0.0 || ^8.0.0"
       },
       "peerDependenciesMeta": {
         "@edge-runtime/vm": {
@@ -2922,6 +2822,16 @@
         }
       }
     },
+    "node_modules/vitest/node_modules/magic-string": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-1.2.3.tgz",
+      "integrity": "sha512-Bpb0W2TbLKOZ7vJnOUnVRGq3WL2p+ISV29M6hYPL1AFCpyKZpdr5ytiXoTSSxRVhg8YW7f65+6gbG8WG6PCa/g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.5"
+      }
+    },
     "node_modules/why-is-node-running": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
diff --git a/package.json b/package.json
index 2170fe3..1c800c7 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "desktop"
   ],
   "engines": {
-    "node": ">=22"
+    "node": ">=22.12"
   },
   "type": "module",
   "scripts": {
@@ -41,7 +41,8 @@
     "verify:macos-signing": "node scripts/verify-macos-signing.js",
     "preview": "vite preview",
     "tauri": "node scripts/tauri-command.js",
-    "test": "vitest"
+    "test": "vitest",
+    "test:race": "vitest run --repeats 5 src/utils/dockBadge.test.ts src/store/downloadStore.test.ts src/store/useDownloadStore.test.ts"
   },
   "dependencies": {
     "@fontsource-variable/inter": "^5.3.0",
@@ -76,6 +77,6 @@
     "tailwindcss": "^4.3.3",
     "typescript": "^7.0.2",
     "vite": "^8.2.2",
-    "vitest": "^4.1.11"
+    "vitest": "^5.0.0"
   }
 }
diff --git a/src/store/useDownloadStore.test.ts b/src/store/useDownloadStore.test.ts
index c272dcd..4c21a61 100644
--- a/src/store/useDownloadStore.test.ts
+++ b/src/store/useDownloadStore.test.ts
@@ -1,5 +1,5 @@
 import { describe, it, expect, vi, beforeEach } from 'vitest';
-import { commitDownloadState, dispatchItem, flushDownloadPersistence, getProxyArgs, getSiteLogin, hasStaleTemporaryMediaEstimate, initializeDownloadPersistence, MAIN_QUEUE_ID, normalizeCustomProxy, normalizePersistedDownloadProgress, normalizePersistedQueueState, normalizePersistedQueues, useDownloadStore } from './useDownloadStore';
+import { commitDownloadState, currentDownloadLifecycleGeneration, dispatchItem, flushDownloadPersistence, getProxyArgs, getSiteLogin, hasStaleTemporaryMediaEstimate, initializeDownloadPersistence, MAIN_QUEUE_ID, normalizeCustomProxy, normalizePersistedDownloadProgress, normalizePersistedQueueState, normalizePersistedQueues, resetDownloadStoreModuleStateForTests, useDownloadStore } from './useDownloadStore';
 import { useDownloadProgressStore } from './downloadProgressStore';
 import { useSettingsStore } from './useSettingsStore';
 import * as ipc from '../ipc';
@@ -61,6 +61,7 @@ vi.mock('./useSettingsStore', () => ({
 
 describe('useDownloadStore', () => {
   beforeEach(() => {
+    resetDownloadStoreModuleStateForTests();
     vi.clearAllMocks();
     vi.mocked(useSettingsStore.getState).mockReturnValue({
       proxyMode: 'none',
@@ -1409,6 +1410,7 @@ describe('useDownloadStore', () => {
   });
 
   it('does not resurrect a row removed while its backend enqueue is in flight', async () => {
+    const initialGeneration = currentDownloadLifecycleGeneration('late');
     useDownloadStore.setState({
       downloads: [
         { id: 'late', url: 'http://test', fileName: 'late.bin', destination: '/tmp', status: 'queued', category: 'Other', dateAdded: '', queueId: 'MAIN', hasBeenDispatched: false },
@@ -1452,7 +1454,7 @@ describe('useDownloadStore', () => {
     expect(
       vi.mocked(ipc.invokeCommand).mock.calls.some(([command, args]) =>
         command === 'remove_download'
-        && (args as { expectedLifecycleGeneration?: string })?.expectedLifecycleGeneration === '0'
+        && (args as { expectedLifecycleGeneration?: string })?.expectedLifecycleGeneration === initialGeneration
       )
     ).toBe(true);
   });
@@ -1662,6 +1664,7 @@ describe('useDownloadStore', () => {
 
   it('resumeDownload unregisters ID and re-dispatches if un-resumable', async () => {
     let enqueueGeneration: string | undefined;
+    const initialGeneration = BigInt(currentDownloadLifecycleGeneration('resume-generation'));
     useDownloadStore.setState({
       downloads: [
         { id: 'resume-generation', url: 'http://test1', fileName: 'f1', destination: '/tmp', status: 'paused', category: 'Other', dateAdded: '', queueId: 'MAIN', hasBeenDispatched: true },
@@ -1689,7 +1692,7 @@ describe('useDownloadStore', () => {
       id: 'resume-generation',
       queueId: 'MAIN'
     });
-    expect(enqueueGeneration).toBe('1');
+    expect(enqueueGeneration).toBe((initialGeneration + 1n).toString());
     expect(useDownloadStore.getState().downloads[0].lastTry).toEqual(expect.any(String));
     expect(useDownloadStore.getState().backendRegisteredIds.has('resume-generation')).toBe(true); // Re-registered by dispatchItem
   });
diff --git a/src/store/useDownloadStore.ts b/src/store/useDownloadStore.ts
index c20f8f7..b8befca 100644
--- a/src/store/useDownloadStore.ts
+++ b/src/store/useDownloadStore.ts
@@ -3344,6 +3344,28 @@ export const flushDownloadPersistence = async (): Promise<void> => {
 
 let downloadPersistenceUnsubscribe: (() => void) | null = null;
 
+export const resetDownloadStoreModuleStateForTests = (): void => {
+  downloadPersistenceUnsubscribe?.();
+  downloadPersistenceUnsubscribe = null;
+  backendDispatchPromises.clear();
+  downloadLifecycleGenerations.clear();
+  queueReorderPromises.clear();
+  queueStartPromises.clear();
+  queueControlGenerations.clear();
+  queueConfigurationQueue = Promise.resolve();
+  downloadLifecycleOperations.clear();
+  pendingStartupResume = null;
+  downloadControlIntents.clear();
+  persistenceRevision = 0;
+  committedPersistenceRevision = 0;
+  lastRequestedPersistenceKey = null;
+  lastCommittedPersistenceKey = null;
+  nextPersistenceSnapshot = null;
+  persistenceSaveInFlight = false;
+  persistenceWaiters = [];
+  downloadPersistenceReady = false;
+};
+
 /**
  * Persistence is a main-webview service. Properties windows import the
  * download types and bridge helpers but must never install this subscription
diff --git a/src/utils/dockBadge.test.ts b/src/utils/dockBadge.test.ts
index 74d9efe..cec10dd 100644
--- a/src/utils/dockBadge.test.ts
+++ b/src/utils/dockBadge.test.ts
@@ -1,6 +1,6 @@
 import { beforeEach, describe, expect, it, vi } from 'vitest';
 import * as ipc from '../ipc';
-import { updateDockBadge } from './dockBadge';
+import { resetDockBadgeStateForTests, updateDockBadge } from './dockBadge';
 
 vi.mock('../ipc', () => ({
   invokeCommand: vi.fn()
@@ -8,6 +8,7 @@ vi.mock('../ipc', () => ({
 
 describe('dock badge synchronization', () => {
   beforeEach(() => {
+    resetDockBadgeStateForTests();
     vi.clearAllMocks();
     vi.mocked(ipc.invokeCommand).mockImplementation(async command => (
       command === 'begin_dock_badge_session' ? 1 : undefined
diff --git a/src/utils/dockBadge.ts b/src/utils/dockBadge.ts
index fb1acff..92ae1c4 100644
--- a/src/utils/dockBadge.ts
+++ b/src/utils/dockBadge.ts
@@ -3,6 +3,11 @@ import { invokeCommand } from '../ipc';
 let dockBadgeGeneration = 0;
 let dockBadgeSessionRequest: Promise<number> | null = null;
 
+export const resetDockBadgeStateForTests = (): void => {
+  dockBadgeGeneration = 0;
+  dockBadgeSessionRequest = null;
+};
+
 const getDockBadgeSession = (): Promise<number> => {
   if (!dockBadgeSessionRequest) {
     const request = invokeCommand('begin_dock_badge_session');
diff --git a/vite.config.ts b/vite.config.ts
index 126a34b..0fe8b15 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -68,6 +68,7 @@ export default defineConfig(async () => ({
     'import.meta.env.VITE_BUILD_ID': JSON.stringify(buildId)
   },
   test: {
+    fsModuleCache: true,
     exclude: [
       "Extensions/**",
       "**/node_modules/**",