diff --git a/scripts/smoke_live_multiuser.sh b/scripts/smoke_live_multiuser.sh
index 24b9971..b765303 100755
--- a/scripts/smoke_live_multiuser.sh
+++ b/scripts/smoke_live_multiuser.sh
@@ -58,9 +58,9 @@ invoke_call() {
 echo "=== MULTIUSER TEST START run=$RUN_ID count=$COUNT ==="
 
 for i in $(seq 1 "$COUNT"); do
-    USERS+=("${RUN_ID}-u${i}@test.local")
+    USERS+=("test-${RUN_ID}-u${i}@test.local")
     (
-        U="${RUN_ID}-u${i}@test.local"
+        U="test-${RUN_ID}-u${i}@test.local"
         CODE=$(init_call "${U}")
         echo "$i:$CODE:$U" > "${TMP}/init-$i"
     ) &
@@ -81,7 +81,7 @@ echo "INIT_OK=$INIT_OK/$COUNT"
 
 for i in $(seq 1 "$COUNT"); do
     (
-        U="${RUN_ID}-u${i}@test.local"
+        U="test-${RUN_ID}-u${i}@test.local"
         FN="mtfn-${RUN_ID}-${i}"
         CODE_TEXT=$(printf 'def main():\n    return "ok-%s-%s"\n' "$RUN_ID" "$i")
         CODE_JSON=$(printf '%s' "$CODE_TEXT" | json_escape)
@@ -108,7 +108,7 @@ sleep 8
 
 for i in $(seq 1 "$COUNT"); do
     (
-        U="${RUN_ID}-u${i}@test.local"
+        U="test-${RUN_ID}-u${i}@test.local"
         FN="mtfn-${RUN_ID}-${i}"
         C=$(invoke_call "${U}" "${FN}")
         echo "$i:$C" > "${TMP}/invoke-$i"
diff --git a/scripts/smoke_user_journeys.sh b/scripts/smoke_user_journeys.sh
index 903ffb1..4e540f3 100755
--- a/scripts/smoke_user_journeys.sh
+++ b/scripts/smoke_user_journeys.sh
@@ -52,9 +52,9 @@ invoke_call() {
 echo "=== USER JOURNEYS START run=$RUN_ID count=$COUNT ==="
 
 for i in $(seq 1 "$COUNT"); do
-    USERS+=("${RUN_ID}-u${i}@test.local")
+    USERS+=("test-${RUN_ID}-u${i}@test.local")
     (
-        U="${RUN_ID}-u${i}@test.local"
+        U="test-${RUN_ID}-u${i}@test.local"
         FN="journey-${RUN_ID}-${i}"
         RESULT="PASS"
 
diff --git a/scripts/test_multitenant_ns.sh b/scripts/test_multitenant_ns.sh
index eee2ef0..ce876e8 100755
--- a/scripts/test_multitenant_ns.sh
+++ b/scripts/test_multitenant_ns.sh
@@ -63,7 +63,7 @@ echo ">>> [1/4] Создаём NS для $COUNT пользователей па
 TMPDIR_RESULTS=$(mktemp -d)
 
 for i in $(seq 1 $COUNT); do
-    USER="${RUN_ID}-user${i}@test.local"
+    USER="test-test-test-${RUN_ID}-user${i}@test.local"
     CREATED_USERS+=("$USER")
     (
         CODE=$(curl -s -o /dev/null -w "%{http_code}" --max-time 30 \
@@ -133,7 +133,7 @@ json_escape() {
 }
 
 for i in $(seq 1 $COUNT); do
-    USER="${USERS[$i]:-${RUN_ID}-user${i}@test.local}"
+    USER="${USERS[$i]:-test-test-${RUN_ID}-user${i}@test.local}"
     FN_NAME="testfn-${RUN_ID}"
     (
         # Создаём функцию
@@ -175,7 +175,7 @@ echo ">>> [4/4] Параллельные вызовы всех $COUNT функц
 sleep 5
 
 for i in $(seq 1 $COUNT); do
-    USER="${USERS[$i]:-${RUN_ID}-user${i}@test.local}"
+    USER="${USERS[$i]:-test-test-${RUN_ID}-user${i}@test.local}"
     FN_NAME="testfn-${RUN_ID}"
     (
         CODE=$(curl -s -o /dev/null -w "%{http_code}" --max-time 30 \
diff --git a/scripts/test_ui_user_flows.sh b/scripts/test_ui_user_flows.sh
index ca43489..bfb514e 100755
--- a/scripts/test_ui_user_flows.sh
+++ b/scripts/test_ui_user_flows.sh
@@ -8,11 +8,11 @@ RUN_ID="ui$(date +%s | tail -c 6)"
 PASS=0
 FAIL=0
 
-LOGIN_SUB="ui-login-${RUN_ID}@test.local"
-LANG_SUB="ui-lang-${RUN_ID}@test.local"
-NODE_SUB="ui-node-${RUN_ID}@test.local"
-STACK_SUB="ui-stack-${RUN_ID}@test.local"
-NEG_SUB="ui-neg-${RUN_ID}@test.local"
+LOGIN_SUB="test-test-ui-login-${RUN_ID}@test.local"
+LANG_SUB="test-test-ui-lang-${RUN_ID}@test.local"
+NODE_SUB="test-test-ui-node-${RUN_ID}@test.local"
+STACK_SUB="test-test-ui-stack-${RUN_ID}@test.local"
+NEG_SUB="test-test-ui-neg-${RUN_ID}@test.local"
 
 pass() { PASS=$((PASS+1)); echo "  PASS: $1"; }
 fail() { FAIL=$((FAIL+1)); echo "  FAIL: $1"; }
diff --git a/scripts/tests_v2.sh b/scripts/tests_v2.sh
index c3db912..7014de8 100755
--- a/scripts/tests_v2.sh
+++ b/scripts/tests_v2.sh
@@ -10,23 +10,23 @@ RUN_ID=$(echo "$RUN_ID" | sha256sum 2>/dev/null | head -c 8 || echo "${RUN_ID}"
 
 cleanup_namespaces() {
   local subs=()
-  subs+=("alice@test.local" "routetest-alice@test.local" "routetest-bob@test.local")
-  subs+=("val-user@test.local" "dup-user@test.local" "upd-user@test.local" "get-user@test.local")
-  subs+=("ns-u1@test.local" "ns-u2@test.local" "alice-del@test.local" "carol-del@test.local")
-  subs+=("py-user@test.local" "js-user@test.local" "ttl-user@test.local" "body-user@test.local")
-  subs+=("stress-user@test.local" "brand-new-empty-user-xyzqwerty@test.local" "chain-user@test.local")
-  subs+=("dup2-user-${RUN_ID}@test.local" "name-user-${RUN_ID}@test.local")
-  subs+=("len57-user-${RUN_ID}@test.local" "big-user-${RUN_ID}@test.local" "size-user-${RUN_ID}@test.local")
-  subs+=("ttl-exp-${RUN_ID}@test.local" "race-${RUN_ID}@test.local")
-  subs+=("mfunc-${RUN_ID}@test.local" "victim-${RUN_ID}@test.local" "attacker-${RUN_ID}@test.local")
-  subs+=("lang-multi-${RUN_ID}@test.local" "lang-inv-${RUN_ID}@test.local")
+  subs+=("test-alice@test.local" "test-routetest-alice@test.local" "test-routetest-bob@test.local")
+  subs+=("test-val-user@test.local" "test-dup-user@test.local" "test-upd-user@test.local" "test-get-user@test.local")
+  subs+=("test-ns-u1@test.local" "test-ns-u2@test.local" "test-alice-del@test.local" "test-carol-del@test.local")
+  subs+=("test-py-user@test.local" "test-js-user@test.local" "test-ttl-user@test.local" "test-body-user@test.local")
+  subs+=("test-stress-user@test.local" "test-brand-new-empty-user-xyzqwerty@test.local" "test-chain-user@test.local")
+  subs+=("test-dup2-user-${RUN_ID}@test.local" "test-name-user-${RUN_ID}@test.local")
+  subs+=("test-len57-user-${RUN_ID}@test.local" "test-big-user-${RUN_ID}@test.local" "test-size-user-${RUN_ID}@test.local")
+  subs+=("test-ttl-exp-${RUN_ID}@test.local" "test-race-${RUN_ID}@test.local")
+  subs+=("test-mfunc-${RUN_ID}@test.local" "test-victim-${RUN_ID}@test.local" "test-attacker-${RUN_ID}@test.local")
+  subs+=("test-lang-multi-${RUN_ID}@test.local" "test-lang-inv-${RUN_ID}@test.local")
 
   local uid
   for uid in $(seq 1 10); do
-    subs+=("u${uid}-${RUN_ID}@test.local")
+    subs+=("test-u${uid}-${RUN_ID}@test.local")
   done
   for uid in $(seq 1 3); do
-    subs+=("fullcycle-u${uid}-${RUN_ID}@test.local")
+    subs+=("test-fullcycle-u${uid}-${RUN_ID}@test.local")
   done
 
   if [ -x "$NS_CLEANUP_SCRIPT" ]; then
@@ -51,23 +51,23 @@ echo ""
 echo ">>> БЛОК A: Фиксы v0.6.8 — регресс"
 
 R=$(curl -s -w "\n%{http_code}" -X POST ${BASE}/functions/nonexistent-xyz-abc/invoke \
-  -H "X-Test-Sub: alice@test.local" -H "Content-Type: application/json" -d '{}')
+  -H "X-Test-Sub: test-alice@test.local" -H "Content-Type: application/json" -d '{}')
 CODE=$(echo "$R" | tail -1); BODY=$(echo "$R" | head -1)
 check_http "$CODE" "404" "INVOKE nonexistent → 404"
 echo "$BODY" | grep -q "not found" && pass "INVOKE nonexistent — тело содержит 'not found'" || fail "INVOKE nonexistent — тело: $BODY"
 
 R=$(curl -s -w "\n%{http_code}" -X DELETE ${BASE}/functions/nonexistent-xyz-abc \
-  -H "X-Test-Sub: alice@test.local")
+  -H "X-Test-Sub: test-alice@test.local")
 CODE=$(echo "$R" | tail -1)
 check_http "$CODE" "404" "DELETE nonexistent → 404"
 
 # Создаём изолированные функции и проверяем route isolation
 ISO_NAME="iso-${RUN_ID}"
 R_A=$(curl -s -X POST ${BASE}/functions \
-  -H "X-Test-Sub: routetest-alice@test.local" -H "Content-Type: application/json" \
+  -H "X-Test-Sub: test-routetest-alice@test.local" -H "Content-Type: application/json" \
   -d "{\"name\":\"${ISO_NAME}\",\"language\":\"nodejs\",\"code\":\"module.exports=async(ctx)=>({body:\\\"alice-iso\\\"})\",\"ttl\":\"5m\"}")
 R_B=$(curl -s -X POST ${BASE}/functions \
-  -H "X-Test-Sub: routetest-bob@test.local" -H "Content-Type: application/json" \
+  -H "X-Test-Sub: test-routetest-bob@test.local" -H "Content-Type: application/json" \
   -d "{\"name\":\"${ISO_NAME}\",\"language\":\"nodejs\",\"code\":\"module.exports=async(ctx)=>({body:\\\"bob-iso\\\"})\",\"ttl\":\"5m\"}")
 ROUTE_A=$(echo "$R_A" | python3 -c "import sys,json; print(json.load(sys.stdin).get('route','?'))" 2>/dev/null)
 ROUTE_B=$(echo "$R_B" | python3 -c "import sys,json; print(json.load(sys.stdin).get('route','?'))" 2>/dev/null)
@@ -77,9 +77,9 @@ sleep 10
 
 # Invoke после изоляции
 INV_A=$(curl -s -X POST ${BASE}/functions/${ISO_NAME}/invoke \
-  -H "X-Test-Sub: routetest-alice@test.local" -H "Content-Type: application/json" -d '{}')
+  -H "X-Test-Sub: test-routetest-alice@test.local" -H "Content-Type: application/json" -d '{}')
 INV_B=$(curl -s -X POST ${BASE}/functions/${ISO_NAME}/invoke \
-  -H "X-Test-Sub: routetest-bob@test.local" -H "Content-Type: application/json" -d '{}')
+  -H "X-Test-Sub: test-routetest-bob@test.local" -H "Content-Type: application/json" -d '{}')
 BODY_A=$(echo "$INV_A" | python3 -c "import sys,json; print(json.load(sys.stdin).get('response_raw','?'))" 2>/dev/null)
 BODY_B=$(echo "$INV_B" | python3 -c "import sys,json; print(json.load(sys.stdin).get('response_raw','?'))" 2>/dev/null)
 [ "$BODY_A" = "alice-iso" ] && pass "Route isolation invoke — alice получает alice" || fail "Route isolation — alice получила: $BODY_A"
@@ -90,7 +90,7 @@ echo ""
 echo ">>> БЛОК B: Валидация входных данных"
 
 R=$(curl -s -w "\n%{http_code}" -X POST ${BASE}/functions \
-  -H "X-Test-Sub: val-user@test.local" -H "Content-Type: application/json" \
+  -H "X-Test-Sub: test-val-user@test.local" -H "Content-Type: application/json" \
   -d '{"language":"nodejs","code":"x"}')
 CODE=$(echo "$R" | tail -1); check_http "$CODE" "400" "Создание без name → 400"