fix: override AUTH_USE_AUTH and SENTRY_ENABLED

.github/workflows/unified-tests.yml

@@ -101,6 +101,13 @@ jobs:
             ,${{ steps.resolve-secret.outputs.second-id }}
           parse-json-secrets: true
 
+      # Override values pulled from Secrets Manager: tests run without real auth or
+      # Sentry. Written after the fetch steps so the last $GITHUB_ENV write wins.
+      - name: Disable auth and Sentry for tests
+        run: |
+          echo "AUTH_USE_AUTH=false" >> "$GITHUB_ENV"
+          echo "SENTRY_ENABLED=false" >> "$GITHUB_ENV"
+
       - name: Verify Docker is available
         run: docker info