diff --git a/scripts/run_adminfront_ci_tests.sh b/scripts/run_adminfront_ci_tests.sh
index bcca44b5..4b752885 100755
--- a/scripts/run_adminfront_ci_tests.sh
+++ b/scripts/run_adminfront_ci_tests.sh
@@ -18,6 +18,9 @@ mkdir -p reports
 
 tmp_dir="$(mktemp -d /tmp/baron-sso-adminfront-tests.XXXXXX)"
 pnpm_store_dir="$tmp_dir/pnpm-store"
+# [Fix] Use a relative path for the build output directory
+export ADMINFRONT_BUILD_OUT_DIR="dist"
+
 seed_dir=""
 for candidate in \
   /tmp/baron-sso-adminfront-tests.FRPGmL \
@@ -196,9 +199,6 @@ fi
 
 set +e
 (
-  # [Fix] Dependency resolution fails when installing from sub-app in isolated CI.
-  # We must install from the workspace root (common) and ensure the workspace config 
-  # only points to available directories (adminfront & common).
   cd "$tmp_dir/common"
   echo "packages: ['.', '../adminfront']" > pnpm-workspace.yaml
 
@@ -209,7 +209,7 @@ set +e
     run_with_retry 3 env CI=true pnpm install --no-frozen-lockfile --shamefully-hoist --store-dir "$pnpm_store_dir"
   fi
 ) 2>&1 | tee reports/adminfront-install.log
-install_exit_code=${PIPESTATUS[0]}
+install_exit_code=${STATUS:-$?}
 set -e
 
 if [ "$install_exit_code" -ne 0 ]; then
@@ -232,6 +232,32 @@ if [ "$install_exit_code" -ne 0 ]; then
   exit 1
 fi
 
+# [Fix] Explicitly build to 'dist' and ensure it's available for 'vite preview'.
+(
+  cd "$tmp_dir/adminfront"
+  env CI=true ADMINFRONT_BUILD_OUT_DIR="dist" pnpm run build
+) 2>&1 | tee reports/adminfront-build.log
+build_exit_code=${PIPESTATUS[0]}
+if [ "$build_exit_code" -ne 0 ]; then
+  {
+    echo "# Adminfront Test Failure Report"
+    echo
+    echo "- Workflow: \`${GITHUB_WORKFLOW:-Code Check}\`"
+    echo "- Job: \`${job_name}\`"
+    echo "- Reason: \`Build failed\`"
+    echo "- Exit Code: \`$build_exit_code\`"
+    echo
+    echo "## Command"
+    echo "\`cd adminfront && env CI=true pnpm run build\`"
+    echo
+    echo "## Build Log Tail (last 200 lines)"
+    echo '```text'
+    tail -n 200 reports/adminfront-build.log
+    echo '```'
+  } > reports/adminfront-test-failure-report.md
+  exit 1
+fi
+
 set +e
 (
   cd "$tmp_dir/adminfront"
@@ -288,8 +314,9 @@ if [ "$test_exit_code" -ne 0 ]; then
     echo
     echo "## Commands"
     echo "1. \`cd common && echo \"packages: ['.', '../adminfront']\" > pnpm-workspace.yaml && env CI=true pnpm install --no-frozen-lockfile --shamefully-hoist\`"
-    echo "2. \`${playwright_install_desc}\`"
-    echo "3. \`pnpm exec playwright test\`"
+    echo "2. \`cd adminfront && env CI=true pnpm run build\`"
+    echo "3. \`${playwright_install_desc}\`"
+    echo "4. \`pnpm exec playwright test\`"
     echo
     echo "## Log Tail (last 200 lines)"
     echo '```text'