chore(yarn): bump to v4

.github/workflows/e2eci.yaml

@@ -23,7 +23,7 @@ jobs:
           node-version: lts/*
       - name: install
         run: |
-          cd tests/e2e && yarn install --frozen-lockfile
+          cd tests/e2e && yarn install --immutable
       - name: fmt
         run: |
           cd tests/e2e && yarn fmt:check
@@ -59,7 +59,7 @@ jobs:
           cd tests && uv sync
       - name: yarn-install
         run: |
-          cd tests/e2e && yarn install --frozen-lockfile
+          cd tests/e2e && yarn install --immutable
       - name: playwright-browsers
         run: |
           cd tests/e2e && yarn playwright install --with-deps ${{ matrix.project }}

.github/workflows/jsci.yaml

@@ -79,7 +79,8 @@ jobs:
       - name: deps-install
         working-directory: ./frontend
         run: |
-          yarn install
+          corepack enable
+          yarn install --immutable
       - name: uv-install
         uses: astral-sh/setup-uv@v5
       - name: uv-deps
@@ -117,7 +118,7 @@ jobs:
         with:
           node-version: "22"
       - name: install-frontend
-        run: cd frontend && yarn install
+        run: cd frontend && corepack enable && yarn install --immutable
       - name: generate-api-clients
         run: |
           cd frontend && yarn generate:api

.gitignore

@@ -10,9 +10,14 @@ node_modules
 deploy/docker/environment_tiny/common_test
 frontend/node_modules
 frontend/.pnp
+frontend/.pnp.*
 frontend/i18n-translations-hash.json
 *.pnp.js
 
+# Yarn Berry
+frontend/.yarn/cache
+frontend/.yarn/install-state.gz
+
 # testing
 frontend/coverage
 

frontend/.yarnrc

@@ -1,2 +0,0 @@
-network-timeout 600000
-save-prefix ""

frontend/.yarnrc.yml

@@ -0,0 +1,9 @@
+nodeLinker: node-modules
+
+httpTimeout: 600000
+
+defaultSemverRangePrefix: ""
+
+enableGlobalCache: false
+
+enableScripts: true

frontend/package.json

@@ -246,6 +246,8 @@
   "resolutions": {
     "@types/react": "18.0.26",
     "@types/react-dom": "18.0.10",
+    "@types/styled-components": "5.1.26",
+    "@types/lodash": "4.14.194",
     "debug": "4.3.4",
     "semver": "7.5.4",
     "xml2js": "0.5.0",
@@ -262,5 +264,6 @@
     "on-headers": "^1.1.0",
     "tmp": "0.2.4",
     "vite": "npm:rolldown-vite@7.3.1"
-  }
-}
+  },
+  "packageManager": "yarn@4.14.1"
+}

frontend/tsconfig.json

@@ -32,6 +32,9 @@
 			],
 			"@/*": [
 				"./src/*"
+			],
+			"react-router": [
+				"./node_modules/@types/react-router"
 			]
 		},
 		"downlevelIteration": true,