diff --git a/package.json b/package.json
index d7f14245..bcbac81d 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,7 @@
     "test:e2e": "npx playwright test",
     "test:e2e:update": "npx playwright test --update-snapshots",
     "test:unit": "vitest run",
+    "test:coverage": "vitest run --coverage",
     "todesktop:afterPack": "./scripts/todesktop/afterPack.cjs",
     "todesktop:beforeInstall": "./scripts/todesktop/beforeInstall.cjs",
     "typescript": "tsc -p tsconfig.build.json",
@@ -79,6 +80,7 @@
     "@types/wait-on": "^5.3.4",
     "@typescript-eslint/eslint-plugin": "^8.20.0",
     "@typescript-eslint/parser": "^8.20.0",
+    "@vitest/coverage-v8": "3.2.4",
     "diff": "^7.0.0",
     "electron": "31.3.1",
     "electron-builder": "^25.1.8",
diff --git a/yarn.lock b/yarn.lock
index 26a17b2d..d5107f6d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12,7 +12,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ampproject/remapping@npm:^2.2.0":
+"@ampproject/remapping@npm:^2.2.0, @ampproject/remapping@npm:^2.3.0":
   version: 2.3.0
   resolution: "@ampproject/remapping@npm:2.3.0"
   dependencies:
@@ -119,6 +119,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/helper-string-parser@npm:^7.27.1":
+  version: 7.27.1
+  resolution: "@babel/helper-string-parser@npm:7.27.1"
+  checksum: 10c0/8bda3448e07b5583727c103560bcf9c4c24b3c1051a4c516d4050ef69df37bb9a4734a585fe12725b8c2763de0a265aa1e909b485a4e3270b7cfd3e4dbe4b602
+  languageName: node
+  linkType: hard
+
 "@babel/helper-validator-identifier@npm:^7.24.7, @babel/helper-validator-identifier@npm:^7.25.9":
   version: 7.25.9
   resolution: "@babel/helper-validator-identifier@npm:7.25.9"
@@ -126,6 +133,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/helper-validator-identifier@npm:^7.27.1":
+  version: 7.27.1
+  resolution: "@babel/helper-validator-identifier@npm:7.27.1"
+  checksum: 10c0/c558f11c4871d526498e49d07a84752d1800bf72ac0d3dad100309a2eaba24efbf56ea59af5137ff15e3a00280ebe588560534b0e894a4750f8b1411d8f78b84
+  languageName: node
+  linkType: hard
+
 "@babel/helper-validator-option@npm:^7.25.9":
   version: 7.25.9
   resolution: "@babel/helper-validator-option@npm:7.25.9"
@@ -154,6 +168,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/parser@npm:^7.25.4":
+  version: 7.28.4
+  resolution: "@babel/parser@npm:7.28.4"
+  dependencies:
+    "@babel/types": "npm:^7.28.4"
+  bin:
+    parser: ./bin/babel-parser.js
+  checksum: 10c0/58b239a5b1477ac7ed7e29d86d675cc81075ca055424eba6485872626db2dc556ce63c45043e5a679cd925e999471dba8a3ed4864e7ab1dbf64306ab72c52707
+  languageName: node
+  linkType: hard
+
 "@babel/runtime@npm:^7.10.0, @babel/runtime@npm:^7.15.4, @babel/runtime@npm:^7.21.0":
   version: 7.26.0
   resolution: "@babel/runtime@npm:7.26.0"
@@ -199,6 +224,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/types@npm:^7.25.4, @babel/types@npm:^7.28.4":
+  version: 7.28.4
+  resolution: "@babel/types@npm:7.28.4"
+  dependencies:
+    "@babel/helper-string-parser": "npm:^7.27.1"
+    "@babel/helper-validator-identifier": "npm:^7.27.1"
+  checksum: 10c0/ac6f909d6191319e08c80efbfac7bd9a25f80cc83b43cd6d82e7233f7a6b9d6e7b90236f3af7400a3f83b576895bcab9188a22b584eb0f224e80e6d4e95f4517
+  languageName: node
+  linkType: hard
+
+"@bcoe/v8-coverage@npm:^1.0.2":
+  version: 1.0.2
+  resolution: "@bcoe/v8-coverage@npm:1.0.2"
+  checksum: 10c0/1eb1dc93cc17fb7abdcef21a6e7b867d6aa99a7ec88ec8207402b23d9083ab22a8011213f04b2cf26d535f1d22dc26139b7929e6c2134c254bd1e14ba5e678c3
+  languageName: node
+  linkType: hard
+
 "@clack/core@npm:^0.3.3, @clack/core@npm:^0.3.4":
   version: 0.3.5
   resolution: "@clack/core@npm:0.3.5"
@@ -249,6 +291,7 @@ __metadata:
     "@types/wait-on": "npm:^5.3.4"
     "@typescript-eslint/eslint-plugin": "npm:^8.20.0"
     "@typescript-eslint/parser": "npm:^8.20.0"
+    "@vitest/coverage-v8": "npm:3.2.4"
     adm-zip: "npm:^0.5.15"
     axios: "npm:^1.8.2"
     diff: "npm:^7.0.0"
@@ -1390,6 +1433,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@istanbuljs/schema@npm:^0.1.2":
+  version: 0.1.3
+  resolution: "@istanbuljs/schema@npm:0.1.3"
+  checksum: 10c0/61c5286771676c9ca3eb2bd8a7310a9c063fb6e0e9712225c8471c582d157392c88f5353581c8c9adbe0dff98892317d2fdfc56c3499aa42e0194405206a963a
+  languageName: node
+  linkType: hard
+
 "@jridgewell/gen-mapping@npm:^0.3.5":
   version: 0.3.8
   resolution: "@jridgewell/gen-mapping@npm:0.3.8"
@@ -1432,6 +1482,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jridgewell/trace-mapping@npm:^0.3.23, @jridgewell/trace-mapping@npm:^0.3.30":
+  version: 0.3.31
+  resolution: "@jridgewell/trace-mapping@npm:0.3.31"
+  dependencies:
+    "@jridgewell/resolve-uri": "npm:^3.1.0"
+    "@jridgewell/sourcemap-codec": "npm:^1.4.14"
+  checksum: 10c0/4b30ec8cd56c5fd9a661f088230af01e0c1a3888d11ffb6b47639700f71225be21d1f7e168048d6d4f9449207b978a235c07c8f15c07705685d16dc06280e9d9
+  languageName: node
+  linkType: hard
+
 "@jridgewell/trace-mapping@npm:^0.3.24, @jridgewell/trace-mapping@npm:^0.3.25":
   version: 0.3.25
   resolution: "@jridgewell/trace-mapping@npm:0.3.25"
@@ -3414,6 +3474,33 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@vitest/coverage-v8@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/coverage-v8@npm:3.2.4"
+  dependencies:
+    "@ampproject/remapping": "npm:^2.3.0"
+    "@bcoe/v8-coverage": "npm:^1.0.2"
+    ast-v8-to-istanbul: "npm:^0.3.3"
+    debug: "npm:^4.4.1"
+    istanbul-lib-coverage: "npm:^3.2.2"
+    istanbul-lib-report: "npm:^3.0.1"
+    istanbul-lib-source-maps: "npm:^5.0.6"
+    istanbul-reports: "npm:^3.1.7"
+    magic-string: "npm:^0.30.17"
+    magicast: "npm:^0.3.5"
+    std-env: "npm:^3.9.0"
+    test-exclude: "npm:^7.0.1"
+    tinyrainbow: "npm:^2.0.0"
+  peerDependencies:
+    "@vitest/browser": 3.2.4
+    vitest: 3.2.4
+  peerDependenciesMeta:
+    "@vitest/browser":
+      optional: true
+  checksum: 10c0/cae3e58d81d56e7e1cdecd7b5baab7edd0ad9dee8dec9353c52796e390e452377d3f04174d40b6986b17c73241a5e773e422931eaa8102dcba0605ff24b25193
+  languageName: node
+  linkType: hard
+
 "@vitest/expect@npm:3.2.4":
   version: 3.2.4
   resolution: "@vitest/expect@npm:3.2.4"
@@ -4161,6 +4248,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ast-v8-to-istanbul@npm:^0.3.3":
+  version: 0.3.5
+  resolution: "ast-v8-to-istanbul@npm:0.3.5"
+  dependencies:
+    "@jridgewell/trace-mapping": "npm:^0.3.30"
+    estree-walker: "npm:^3.0.3"
+    js-tokens: "npm:^9.0.1"
+  checksum: 10c0/6796d2e79dc82302543f8109a6d75944278903cee6269b46df4a7d923c289754f1c97390df48536657741d387046e11dbedcda8ce2e6441bcbe26f8586a6d715
+  languageName: node
+  linkType: hard
+
 "astral-regex@npm:^2.0.0":
   version: 2.0.0
   resolution: "astral-regex@npm:2.0.0"
@@ -6958,7 +7056,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob@npm:^10.2.2, glob@npm:^10.3.10, glob@npm:^10.3.12, glob@npm:^10.3.7":
+"glob@npm:^10.2.2, glob@npm:^10.3.10, glob@npm:^10.3.12, glob@npm:^10.3.7, glob@npm:^10.4.1":
   version: 10.4.5
   resolution: "glob@npm:10.4.5"
   dependencies:
@@ -7277,6 +7375,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"html-escaper@npm:^2.0.0":
+  version: 2.0.2
+  resolution: "html-escaper@npm:2.0.2"
+  checksum: 10c0/208e8a12de1a6569edbb14544f4567e6ce8ecc30b9394fcaa4e7bb1e60c12a7c9a1ed27e31290817157e8626f3a4f29e76c8747030822eb84a6abb15c255f0a0
+  languageName: node
+  linkType: hard
+
 "http-cache-semantics@npm:^4.0.0, http-cache-semantics@npm:^4.1.0, http-cache-semantics@npm:^4.1.1":
   version: 4.1.1
   resolution: "http-cache-semantics@npm:4.1.1"
@@ -8105,6 +8210,45 @@ __metadata:
   languageName: node
   linkType: hard
 
+"istanbul-lib-coverage@npm:^3.0.0, istanbul-lib-coverage@npm:^3.2.2":
+  version: 3.2.2
+  resolution: "istanbul-lib-coverage@npm:3.2.2"
+  checksum: 10c0/6c7ff2106769e5f592ded1fb418f9f73b4411fd5a084387a5410538332b6567cd1763ff6b6cadca9b9eb2c443cce2f7ea7d7f1b8d315f9ce58539793b1e0922b
+  languageName: node
+  linkType: hard
+
+"istanbul-lib-report@npm:^3.0.0, istanbul-lib-report@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "istanbul-lib-report@npm:3.0.1"
+  dependencies:
+    istanbul-lib-coverage: "npm:^3.0.0"
+    make-dir: "npm:^4.0.0"
+    supports-color: "npm:^7.1.0"
+  checksum: 10c0/84323afb14392de8b6a5714bd7e9af845cfbd56cfe71ed276cda2f5f1201aea673c7111901227ee33e68e4364e288d73861eb2ed48f6679d1e69a43b6d9b3ba7
+  languageName: node
+  linkType: hard
+
+"istanbul-lib-source-maps@npm:^5.0.6":
+  version: 5.0.6
+  resolution: "istanbul-lib-source-maps@npm:5.0.6"
+  dependencies:
+    "@jridgewell/trace-mapping": "npm:^0.3.23"
+    debug: "npm:^4.1.1"
+    istanbul-lib-coverage: "npm:^3.0.0"
+  checksum: 10c0/ffe75d70b303a3621ee4671554f306e0831b16f39ab7f4ab52e54d356a5d33e534d97563e318f1333a6aae1d42f91ec49c76b6cd3f3fb378addcb5c81da0255f
+  languageName: node
+  linkType: hard
+
+"istanbul-reports@npm:^3.1.7":
+  version: 3.2.0
+  resolution: "istanbul-reports@npm:3.2.0"
+  dependencies:
+    html-escaper: "npm:^2.0.0"
+    istanbul-lib-report: "npm:^3.0.0"
+  checksum: 10c0/d596317cfd9c22e1394f22a8d8ba0303d2074fe2e971887b32d870e4b33f8464b10f8ccbe6847808f7db485f084eba09e6c2ed706b3a978e4b52f07085b8f9bc
+  languageName: node
+  linkType: hard
+
 "jackspeak@npm:^3.1.2":
   version: 3.4.3
   resolution: "jackspeak@npm:3.4.3"
@@ -8733,6 +8877,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"magicast@npm:^0.3.5":
+  version: 0.3.5
+  resolution: "magicast@npm:0.3.5"
+  dependencies:
+    "@babel/parser": "npm:^7.25.4"
+    "@babel/types": "npm:^7.25.4"
+    source-map-js: "npm:^1.2.0"
+  checksum: 10c0/a6cacc0a848af84f03e3f5bda7b0de75e4d0aa9ddce5517fd23ed0f31b5ddd51b2d0ff0b7e09b51f7de0f4053c7a1107117edda6b0732dca3e9e39e6c5a68c64
+  languageName: node
+  linkType: hard
+
 "make-dir@npm:^3.1.0":
   version: 3.1.0
   resolution: "make-dir@npm:3.1.0"
@@ -8742,6 +8897,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"make-dir@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "make-dir@npm:4.0.0"
+  dependencies:
+    semver: "npm:^7.5.3"
+  checksum: 10c0/69b98a6c0b8e5c4fe9acb61608a9fbcfca1756d910f51e5dbe7a9e5cfb74fca9b8a0c8a0ffdf1294a740826c1ab4871d5bf3f62f72a3049e5eac6541ddffed68
+  languageName: node
+  linkType: hard
+
 "make-error@npm:^1.1.1":
   version: 1.3.6
   resolution: "make-error@npm:1.3.6"
@@ -11791,6 +11955,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"test-exclude@npm:^7.0.1":
+  version: 7.0.1
+  resolution: "test-exclude@npm:7.0.1"
+  dependencies:
+    "@istanbuljs/schema": "npm:^0.1.2"
+    glob: "npm:^10.4.1"
+    minimatch: "npm:^9.0.4"
+  checksum: 10c0/6d67b9af4336a2e12b26a68c83308c7863534c65f27ed4ff7068a56f5a58f7ac703e8fc80f698a19bb154fd8f705cdf7ec347d9512b2c522c737269507e7b263
+  languageName: node
+  linkType: hard
+
 "through@npm:^2.3.6":
   version: 2.3.8
   resolution: "through@npm:2.3.8"