diff --git a/src/shared/versions.js b/src/shared/versions.js
index 22ac138..8e17553 100644
--- a/src/shared/versions.js
+++ b/src/shared/versions.js
@@ -1,6 +1,6 @@
 export const HARBOR_VERSIONS = Object.freeze({
-  macClient: '0.17.6',
-  gatewayClient: '0.18.6',
+  macClient: '0.17.8',
+  gatewayClient: '0.18.8',
   gatewayBackend: '0.18.1',
 });
 
diff --git a/src/web/components/ConnectivityDiagnosticsPanel.jsx b/src/web/components/ConnectivityDiagnosticsPanel.jsx
index b3173c8..76826f9 100644
--- a/src/web/components/ConnectivityDiagnosticsPanel.jsx
+++ b/src/web/components/ConnectivityDiagnosticsPanel.jsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from 'react';
+import React, { useEffect, useLayoutEffect, useRef, useState } from 'react';
 import { api } from '../api.js';
 import {
   assessConnectivity,
@@ -38,7 +38,7 @@ function readCustomServices() {
 
 function resultStatus(site, pending, available = true) {
   if (!available) return ['is-muted', '—'];
-  if (pending) return ['is-running', 'Проверяем'];
+  if (pending) return ['is-running', 'Тестируем'];
   if (!site) return ['is-muted', '—'];
   if (site.status === 'unavailable') return ['is-error', 'Нет доступа'];
   if (site.status === 'responded') return ['is-warning', `HTTP ${site.httpStatus}`];
@@ -47,7 +47,10 @@ function resultStatus(site, pending, available = true) {
 
 function Status({ value, route }) {
   const [className, label] = value;
-  return <span className={`client-diagnostics-status ${className}`} aria-label={`${route}: ${label}`}>{label}</span>;
+  return <span className={`client-diagnostics-status ${className}`} aria-label={`${route}: ${label}`}>
+    {label}
+    {className === 'is-running' && <span className="client-diagnostics-dots" aria-hidden="true">...</span>}
+  </span>;
 }
 
 function ipResult(path, source) {
@@ -60,7 +63,7 @@ function ipResult(path, source) {
 function IpCell({ path, source, pending, route }) {
   const value = ipResult(path, source);
   if (path?.available === false) return <Status value={['is-muted', '—']} route={route} />;
-  if (pending) return <Status value={['is-running', 'Проверяем']} route={route} />;
+  if (pending) return <Status value={['is-running', 'Тестируем']} route={route} />;
   if (!path?.available) return <Status value={['is-muted', '—']} route={route} />;
   if (!value?.address) return <Status value={['is-error', 'Нет ответа']} route={route} />;
   return <code aria-label={`${route}: ${value.address}`}>{value.address}</code>;
@@ -111,6 +114,9 @@ export function ConnectivityDiagnosticsPanel({ isGateway, open, panelRef, closeR
   const [serviceName, setServiceName] = useState('');
   const [serviceUrl, setServiceUrl] = useState('');
   const [formError, setFormError] = useState('');
+  const sheetRef = useRef(null);
+  const runnerRef = useRef(null);
+  const previousTargetRef = useRef(null);
 
   useEffect(() => {
     try {
@@ -120,6 +126,30 @@ export function ConnectivityDiagnosticsPanel({ isGateway, open, panelRef, closeR
     }
   }, [customServices]);
 
+  useLayoutEffect(() => {
+    const sheet = sheetRef.current;
+    const runner = runnerRef.current;
+    if (!sheet || !runner) return;
+    if (!activeTarget) {
+      runner.classList.remove('is-visible', 'is-moving');
+      previousTargetRef.current = null;
+      return;
+    }
+
+    const row = [...sheet.querySelectorAll('[data-diagnostic-target]')]
+      .find((item) => item.dataset.diagnosticTarget === activeTarget);
+    if (!row) return;
+    const rowRect = row.getBoundingClientRect();
+    const sheetRect = sheet.getBoundingClientRect();
+    runner.style.setProperty('--diagnostics-runner-x', `${rowRect.left - sheetRect.left}px`);
+    runner.style.setProperty('--diagnostics-runner-y', `${rowRect.top - sheetRect.top}px`);
+    runner.style.width = `${rowRect.width}px`;
+    runner.style.height = `${rowRect.height}px`;
+    runner.classList.toggle('is-moving', previousTargetRef.current !== null);
+    runner.classList.add('is-visible');
+    previousTargetRef.current = activeTarget;
+  }, [activeTarget]);
+
   async function run() {
     setStatus('running');
     setError(null);
@@ -182,7 +212,8 @@ export function ConnectivityDiagnosticsPanel({ isGateway, open, panelRef, closeR
       aria-hidden={!open}
       inert={!open ? true : undefined}
     >
-      <div className="client-drawer-sheet client-instructions-sheet client-diagnostics-sheet">
+      <div ref={sheetRef} className="client-drawer-sheet client-instructions-sheet client-diagnostics-sheet">
+        <span ref={runnerRef} className="client-diagnostics-active-marker" aria-hidden="true" />
         <button
           ref={closeRef}
           className="client-drawer-close"
@@ -235,7 +266,7 @@ export function ConnectivityDiagnosticsPanel({ isGateway, open, panelRef, closeR
             <tbody>{CONNECTIVITY_IP_SOURCES.map((source) => {
               const target = `ip:${source.id}`;
               const running = activeTarget === target;
-              return <tr key={source.id} className={running ? 'is-running' : undefined}>
+              return <tr key={source.id} data-diagnostic-target={target} className={running ? 'is-running' : undefined}>
                 <th scope="row">{source.label}</th>
                 <td><IpCell path={result?.direct} source={source} pending={running} route={`Напрямую, ${source.label}`} /></td>
                 <td><IpCell path={result?.vpn} source={source} pending={running} route={`VPN, ${source.label}`} /></td>
@@ -293,7 +324,7 @@ export function ConnectivityDiagnosticsPanel({ isGateway, open, panelRef, closeR
               const vpn = result?.vpn?.sites?.find((item) => item.id === site.id);
               const custom = site.id.startsWith('custom-');
               const running = activeTarget === `site:${site.id}`;
-              return <tr key={site.id} className={running ? 'is-running' : undefined}>
+              return <tr key={site.id} data-diagnostic-target={`site:${site.id}`} className={running ? 'is-running' : undefined}>
                 <th scope="row">
                   <span className="client-diagnostics-service-name">{site.label}</span>
                   {custom && <button
diff --git a/src/web/components/DevicesPanel.jsx b/src/web/components/DevicesPanel.jsx
index 7ec4075..96044be 100644
--- a/src/web/components/DevicesPanel.jsx
+++ b/src/web/components/DevicesPanel.jsx
@@ -211,7 +211,6 @@ export function DevicesPanel({ open, panelRef, closeRef, onClose }) {
   const movementAnimations = useRef(new Map());
   const previousTraffic = useRef(new Map());
   const aliasBaseline = useRef({ id: '', value: '' });
-  const aliasWidth = useRef('1px');
   const copyTimer = useRef(null);
   const trafficDeltaTimer = useRef(null);
   const trafficOrder = useRef({ direction: sortDirection, ids: [] });
@@ -411,10 +410,9 @@ export function DevicesPanel({ open, panelRef, closeRef, onClose }) {
     copyTimer.current = setTimeout(() => setCopyFeedback(null), COPY_FEEDBACK_MS);
   }
 
-  function startEditing(device, width = 1) {
+  function startEditing(device) {
     const value = device.alias || device.hostname || '';
     aliasBaseline.current = { id: device.id, value };
-    aliasWidth.current = `${width}px`;
     setEditingId(device.id);
     setAlias(value);
   }
@@ -584,7 +582,7 @@ export function DevicesPanel({ open, panelRef, closeRef, onClose }) {
                     <input
                       className="client-device-alias-input"
                       value={alias}
-                      style={{ '--alias-width': aliasWidth.current }}
+                      style={{ '--alias-width': `${Math.max(1, alias.length)}ch` }}
                       maxLength="64"
                       autoFocus
                       aria-label="Название устройства"
@@ -600,7 +598,7 @@ export function DevicesPanel({ open, panelRef, closeRef, onClose }) {
                     className="client-device-alias-trigger"
                     type="button"
                     aria-label={`Изменить название ${title}`}
-                    onClick={(event) => startEditing(device, event.currentTarget.getBoundingClientRect().width)}
+                    onClick={() => startEditing(device)}
                   >{title}</button>}
                   {(hasName || (editing && Boolean(alias))) && device.ip && <span className="client-device-name-separator" aria-hidden="true">·</span>}
                   {device.ip ? <button
diff --git a/src/web/styles.css b/src/web/styles.css
index 5c9218a..aa6fdab 100644
--- a/src/web/styles.css
+++ b/src/web/styles.css
@@ -4731,13 +4731,35 @@ p {
 
 .client-diagnostics-table tbody tr {
   border-top: 1px solid color-mix(in oklch, var(--client-border) 48%, transparent);
-  transition: background-color 420ms ease, box-shadow 520ms cubic-bezier(0.16, 1, 0.3, 1);
 }
 
-.client-diagnostics-table tbody tr.is-running {
+.client-diagnostics-active-marker {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: 0;
   background-color: color-mix(in oklch, var(--client-accent) 8%, transparent);
   box-shadow: inset 2px 0 var(--client-accent);
-  animation: client-diagnostics-row-pulse 1200ms ease-in-out infinite alternate;
+  opacity: 0;
+  pointer-events: none;
+  transform: translate3d(var(--diagnostics-runner-x, 0), var(--diagnostics-runner-y, 0), 0);
+  transition: opacity 220ms ease;
+  will-change: transform;
+}
+
+.client-diagnostics-active-marker.is-visible {
+  opacity: 1;
+}
+
+.client-diagnostics-active-marker.is-moving {
+  transition: transform 680ms cubic-bezier(0.16, 1, 0.3, 1), opacity 220ms ease;
+}
+
+.client-diagnostics-header,
+.client-diagnostics-feedback,
+.client-diagnostics-section {
+  position: relative;
+  z-index: 1;
 }
 
 .client-diagnostics-table tbody tr.is-running th {
@@ -4745,17 +4767,11 @@ p {
   text-shadow: 0 0 9px color-mix(in oklch, var(--client-accent) 38%, transparent);
 }
 
-@keyframes client-diagnostics-row-pulse {
-  to {
-    background-color: color-mix(in oklch, var(--client-accent) 13%, transparent);
-    box-shadow: inset 2px 0 var(--client-accent), 0 0 16px color-mix(in oklch, var(--client-accent) 8%, transparent);
-  }
-}
-
 .client-diagnostics-table tbody th {
   color: var(--client-text);
   font-size: 9px;
   font-weight: 600;
+  transition: color 420ms ease, text-shadow 520ms ease;
 }
 
 .client-diagnostics-table code,
@@ -4789,7 +4805,29 @@ p {
 
 .client-diagnostics-status.is-running {
   color: var(--client-accent);
-  animation: client-operation-pulse 900ms ease-in-out infinite alternate;
+  white-space: nowrap;
+}
+
+.client-diagnostics-dots {
+  position: relative;
+  display: inline-block;
+  margin-left: 0.15em;
+  color: color-mix(in oklch, var(--client-accent) 24%, transparent);
+}
+
+.client-diagnostics-dots::after {
+  position: absolute;
+  inset: 0;
+  color: var(--client-accent);
+  clip-path: inset(0 100% 0 0);
+  content: '...';
+  animation: client-diagnostics-dots-fill 1200ms steps(3, end) infinite;
+}
+
+@keyframes client-diagnostics-dots-fill {
+  0%, 12% { clip-path: inset(0 100% 0 0); }
+  82%, 94% { clip-path: inset(0); }
+  100% { clip-path: inset(0 100% 0 0); }
 }
 
 .client-diagnostics-summary {
@@ -4960,12 +4998,16 @@ p {
   .client-diagnostics-refresh,
   .client-diagnostics-refresh svg,
   .client-diagnostics-table,
-  .client-diagnostics-table tbody tr.is-running,
-  .client-diagnostics-status.is-running {
+  .client-diagnostics-active-marker,
+  .client-diagnostics-dots::after {
     transition: none;
     animation: none;
   }
 
+  .client-diagnostics-dots::after {
+    clip-path: inset(0);
+  }
+
   .client-devices-refresh-ring circle {
     stroke-dashoffset: 0;
   }
diff --git a/test/web/device-inventory-contract.test.js b/test/web/device-inventory-contract.test.js
index 4b1bbe5..9120c8d 100644
--- a/test/web/device-inventory-contract.test.js
+++ b/test/web/device-inventory-contract.test.js
@@ -46,7 +46,8 @@ test('Gateway device inventory uses the existing accessible responsive drawer',
   assert.match(panel, /client-device-name-heading\$\{hasName \? '' : ' is-address-only'\}\$\{editing \? ' is-editing' : ''\}/);
   assert.match(panel, /className="client-device-alias-input"[\s\S]*onBlur=\{\(\) => saveAlias\(device\)\}[\s\S]*event\.key === 'Enter'[\s\S]*event\.currentTarget\.blur\(\)/);
   assert.match(panel, /aliasBaseline\.current = \{ id: device\.id, value \}/);
-  assert.match(panel, /aliasWidth\.current = `\$\{width\}px`[\s\S]*startEditing\(device, event\.currentTarget\.getBoundingClientRect\(\)\.width\)/);
+  assert.match(panel, /style=\{\{ '--alias-width': `\$\{Math\.max\(1, alias\.length\)\}ch` \}\}/);
+  assert.doesNotMatch(panel, /aliasWidth|getBoundingClientRect\(\)\.width/);
   assert.match(panel, /nextAlias === aliasBaseline\.current\.value\.trim\(\)[\s\S]*setEditingId\(\(current\) => current === device\.id \? '' : current\)/);
   assert.doesNotMatch(panel, /client-device-alias"|Сохранить название|Отменить изменение/);
   assert.match(panel, /pencilAnimationId === device\.id \? ' is-writing'/);
diff --git a/test/web/responsive-layout-contract.test.js b/test/web/responsive-layout-contract.test.js
index 8ad78bf..97ea40c 100644
--- a/test/web/responsive-layout-contract.test.js
+++ b/test/web/responsive-layout-contract.test.js
@@ -141,7 +141,12 @@ test('connectivity diagnostics render stable compact tables before the first run
   assert.match(diagnostics, /api\.diagnostics\.connectivity\(customServices, target\)/);
   assert.match(diagnostics, /const target = `ip:\$\{source\.id\}`;[\s\S]*activeTarget === target/);
   assert.match(diagnostics, /activeTarget === `site:\$\{site\.id\}`/);
-  assert.match(styles, /\.client-diagnostics-table tbody tr\.is-running \{[\s\S]*client-diagnostics-row-pulse/);
+  assert.match(diagnostics, /data-diagnostic-target=\{target\}/);
+  assert.match(diagnostics, /client-diagnostics-active-marker/);
+  assert.match(styles, /\.client-diagnostics-active-marker\.is-moving \{[\s\S]*transform 680ms/);
+  assert.match(diagnostics, />\.{3}<\/span>/);
+  assert.doesNotMatch(styles, /client-diagnostics-row-pulse/);
+  assert.doesNotMatch(rule('.client-diagnostics-status.is-running'), /animation:|transform:|opacity:/);
 });
 
 test('duration and Gateway access keep stable geometry without tabs', () => {