ci: use npm ci for app dependency installs (#179)

Author: ProfRandom92

.github/workflows/agent-checks.yml

@@ -63,7 +63,9 @@ jobs:
           node-version: '22'
 
       - name: Install dependencies
-        run: npm install
+        run: |
+          npm --prefix dashboard/app ci
+          npm --prefix showcase/app ci
 
       - name: Typecheck
         run: npm run typecheck

.github/workflows/ci.yml

@@ -25,7 +25,9 @@ jobs:
         run: python -m pip install -e ".[test]"
 
       - name: Install Node dependencies
-        run: npm install
+        run: |
+          npm --prefix dashboard/app ci
+          npm --prefix showcase/app ci
 
       - name: Canonical Check
         run: npm run check

.github/workflows/validation_runner.yml

@@ -66,7 +66,8 @@ jobs:
         id: install
         run: |
           python -m pip install -e ".[test]"
-          npm install
+          npm --prefix dashboard/app ci
+          npm --prefix showcase/app ci
       - name: Run Canonical Check
         id: canonical_check
         run: npm run check