diff --git a/apps/web-console/firmware-workbench.css b/apps/web-console/firmware-workbench.css
index b335af6..e437e15 100644
--- a/apps/web-console/firmware-workbench.css
+++ b/apps/web-console/firmware-workbench.css
@@ -335,6 +335,20 @@ th:nth-child(4) { width: 28%; } th:nth-child(5) { width: 8%; } th:nth-child(6) {
 .table-actions svg { width: 13px; height: 13px; }
 .table-actions .publish-action { color: white; background: var(--primary); }
 .table-actions .delete-action { color: var(--danger); background: #fff0f1; }
+.table-actions .notify-action {
+  flex: 0 0 42px;
+  width: 42px;
+  min-width: 42px;
+  height: 34px;
+  margin-left: auto;
+  padding: 6px;
+  border-radius: 8px;
+  color: #fff;
+  background: var(--primary);
+  box-shadow: 0 4px 10px rgba(40, 105, 232, .2);
+}
+.table-actions .notify-action svg { width: 20px; height: 20px; stroke-width: 2.25; }
+.table-actions .notify-action:hover { background: color-mix(in srgb, var(--primary) 86%, #132447); }
 .baseline-protection { height: 26px; padding: 3px 6px; display: inline-flex; align-items: center; gap: 3px; color: var(--success); background: var(--success-soft); border-radius: 5px; font-size: 12px; white-space: nowrap; }
 .baseline-protection svg { width: 13px; }
 .status-badge[data-status="baseline"] { color: var(--success); border-color: #b9e5d3; background: var(--success-soft); }
@@ -600,6 +614,10 @@ body.embedded .file-cell span { line-height: 1.15; }
   color: var(--danger);
   background: color-mix(in srgb, var(--danger) 12%, var(--surface));
 }
+:root[data-glass-theme="dark"] .table-actions .notify-action {
+  color: #fff;
+  background: color-mix(in srgb, var(--primary) 82%, #07101e);
+}
 :root[data-glass-theme="dark"] .modal-backdrop { background: rgba(2, 5, 14, .68); }
 :root[data-glass-theme="dark"] .modal { background: var(--surface); }
 :root[data-glass-theme="dark"] .diff-panel p { color: var(--muted); }
diff --git a/apps/web-console/firmware-workbench.html b/apps/web-console/firmware-workbench.html
index 909f4a9..04fc4ad 100644
--- a/apps/web-console/firmware-workbench.html
+++ b/apps/web-console/firmware-workbench.html
@@ -8,7 +8,7 @@
     <title>座椅固件开发工作台 · 511 工程</title>
     <link rel="icon" href="/icons/app-icon-192.png" />
     <script src="/firmware-workbench-theme.js?v=1"></script>
-    <link rel="stylesheet" href="/firmware-workbench.css?v=6" />
+    <link rel="stylesheet" href="/firmware-workbench.css?v=7" />
     <script src="/vendor/lucide/0.468.0/lucide.min.js" defer></script>
     <script src="/firmware-workbench.js?v=4" defer></script>
   </head>
diff --git a/apps/web-console/firmware-workbench.js b/apps/web-console/firmware-workbench.js
index 9b96ddd..92575ea 100644
--- a/apps/web-console/firmware-workbench.js
+++ b/apps/web-console/firmware-workbench.js
@@ -271,8 +271,8 @@
           <button type="button" title="查看验证记录" data-artifact-action="validation" data-artifact-id="${artifact.id}">验证</button>
           <a href="${escapeHtml(artifact.download_url)}" title="下载固件" aria-label="下载固件" download><i data-lucide="download"></i></a>
           <button class="publish-action" type="button" title="发布到服务器" data-artifact-action="publish" data-artifact-id="${artifact.id}"><i data-lucide="cloud-upload"></i></button>
-          ${artifact.status === "published" ? `<button class="notify-action" type="button" title="通知车端" aria-label="通知车端" data-artifact-action="notify" data-artifact-id="${artifact.id}"><i data-lucide="bell"></i></button>` : ""}
           ${artifact.is_baseline ? `<span class="baseline-protection" title="时间控制基线固件受保护"><i data-lucide="shield-check"></i>受保护</span>` : `<button class="delete-action" type="button" title="删除固件产物" data-artifact-action="delete" data-artifact-id="${artifact.id}"><i data-lucide="trash-2"></i></button>`}
+          ${artifact.status === "published" ? `<button class="notify-action" type="button" title="通知车端" aria-label="通知车端" data-artifact-action="notify" data-artifact-id="${artifact.id}"><i data-lucide="bell"></i></button>` : ""}
         </div></td>
       </tr>`).join("");
   }
diff --git a/apps/web-console/service-worker.js b/apps/web-console/service-worker.js
index 833a5bd..78f0eed 100644
--- a/apps/web-console/service-worker.js
+++ b/apps/web-console/service-worker.js
@@ -1,4 +1,4 @@
-const CACHE_VERSION = "cognitive-agent-pad-v324-firmware-notification";
+const CACHE_VERSION = "cognitive-agent-pad-v325-notification-ui";
 const SHELL_CACHE = `${CACHE_VERSION}-shell`;
 const RUNTIME_CACHE = `${CACHE_VERSION}-runtime`;
 const APP_SHELL = [
@@ -27,7 +27,7 @@ const APP_SHELL = [
   "/firmware-workbench-entry.js?v=3",
   "/firmware-workbench.html",
   "/firmware-workbench-theme.js?v=1",
-  "/firmware-workbench.css?v=6",
+  "/firmware-workbench.css?v=7",
   "/firmware-workbench.js?v=4",
   "/assets/pets/self-extension-cat.png?v=3",
   "/assets/pets/self-extension-cat-entrance.png?v=3",
diff --git a/tests/unit/test_firmware_workbench_frontend_contract.py b/tests/unit/test_firmware_workbench_frontend_contract.py
index 163076e..cccb90f 100644
--- a/tests/unit/test_firmware_workbench_frontend_contract.py
+++ b/tests/unit/test_firmware_workbench_frontend_contract.py
@@ -58,7 +58,7 @@ def test_workbench_exposes_artifact_actions_and_always_starts_a_new_task() -> No
         "/firmware-workbench-entry.js?v=3",
         "/firmware-workbench.html",
         "/firmware-workbench-theme.js?v=1",
-        "/firmware-workbench.css?v=6",
+        "/firmware-workbench.css?v=7",
         "/firmware-workbench.js?v=4",
     ):
         assert f'"{asset}"' in worker
@@ -107,3 +107,16 @@ def test_peer_dialogs_share_the_expanded_desktop_size_contract() -> None:
     assert 'width: min(960px, calc(100vw - 30px));' in extension
     assert 'width: min(1180px, calc(100vw - 28px));' in extension
     assert 'width: min(980px, calc(100vw - 32px));' in extension
+
+
+def test_published_artifacts_expose_the_expanded_right_aligned_notify_action() -> None:
+    script = source("firmware-workbench.js")
+    styles = source("firmware-workbench.css")
+
+    assert 'artifact.status === "published"' in script
+    assert 'class="notify-action"' in script
+    assert 'data-artifact-action="notify"' in script
+    assert 'margin-left: auto' in styles
+    assert 'flex: 0 0 42px' in styles
+    assert 'height: 34px' in styles
+    assert '.table-actions .notify-action svg { width: 20px; height: 20px;' in styles