diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a3fef344..10a0d884 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,23 +29,10 @@ jobs:
           dotnet-version: '10.x'
 
       # ── Shell libraries ────────────────────────────────────────────────
-      - name: Restore – Shell DDD lib
-        run: dotnet restore src/libs/shell/ddd/src/Ums.Shell.Ddd/Ums.Shell.Ddd.sln
-
-      - name: Build – Shell DDD lib
-        run: dotnet build src/libs/shell/ddd/src/Ums.Shell.Ddd/Ums.Shell.Ddd.sln --no-restore --configuration Release
-
-      - name: Test – Shell DDD lib
-        run: dotnet test src/libs/shell/ddd/src/Ums.Shell.Ddd/Ums.Shell.Ddd.sln --no-build --configuration Release --logger "console;verbosity=minimal"
-
-      - name: Restore – Shell Factory lib
-        run: dotnet restore src/libs/shell/factory/src/Ums.Shell.Factory.sln
-
-      - name: Build – Shell Factory lib
-        run: dotnet build src/libs/shell/factory/src/Ums.Shell.Factory.sln --no-restore --configuration Release
-
-      - name: Test – Shell Factory lib
-        run: dotnet test src/libs/shell/factory/src/Ums.Shell.Factory.sln --no-build --configuration Release --logger "console;verbosity=minimal"
+      # Los shells cross (BeyondNetCode.Shell.*) se consumen como paquetes NuGet
+      # publicados en nuget.org (repos beyondnetcode/Shell.*), NO como código
+      # vendorizado. El `Restore – UMS API` de abajo los resuelve vía PackageReference,
+      # así que aquí no se restauran/compilan soluciones locales (que no existen).
 
       # ── Main API ───────────────────────────────────────────────────────
       - name: Restore – UMS API
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eda21be0..2dbc2e0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,17 +11,22 @@ jobs:
   ci:
     name: Build, Lint and Test (CI)
     runs-on: ubuntu-latest
+    # El workspace npm/nx del monorepo vive bajo src/, no en la raíz del repo.
+    defaults:
+      run:
+        working-directory: src
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Required for SonarCloud analysis
 
-      - name: Setup Node.js v18
+      - name: Setup Node.js v22
         uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 22 # React Router v8 exige node >= 22
           cache: 'npm'
+          cache-dependency-path: src/package-lock.json
 
       - name: Install Dependencies
         run: npm ci