fix(auth): close Task 15 review round two

scripts/authentication-smoke.sh

@@ -30,6 +30,7 @@ output="$temporary_root/playwright"
 mkdir -p "$output"
 sentinel="task15-sentinel-$(openssl rand -hex 24)"
 export THT_TASK15_SENTINEL="$sentinel"
+readonly browser_specs=(e2e/auth.spec.ts e2e/f1.spec.ts)
 
 sanitize_failure_log() {
   sed -E \
@@ -41,7 +42,7 @@ sanitize_failure_log() {
 
 if ! (
   cd "$root/frontend"
-  THT_E2E_AUTH_STACK=1 "$playwright" test e2e/auth.spec.ts --workers=1 --output="$output"
+  THT_E2E_AUTH_STACK=1 "$playwright" test "${browser_specs[@]}" --workers=1 --output="$output"
 ) >"$log" 2>&1; then
   echo "authentication smoke: hermetic browser suite failed" >&2
   sanitize_failure_log
@@ -53,4 +54,4 @@ if rg -a -Fq -- "$sentinel" "$log" "$output"; then
   exit 1
 fi
 
-printf 'authentication smoke: hermetic OIDC/browser suite passed on Node %s\n' "$actual_node"
+printf 'authentication smoke: hermetic OIDC/F1 browser suite passed on Node %s\n' "$actual_node"