fix(ui): centralize contextual help and navigation presentation

Verified with the coordinated workspace changes by devkit full run
2026-09-08T225814-186389-0000-3e3ed7cd (all seven phases passed).
This shared UI pass does not mark the individual module reviews complete.

webui/src/features/notifications/NotificationCenterPage.tsx

@@ -8,6 +8,7 @@ import {
   CountBadge,
   DismissibleAlert,
   DocumentationHelpLink,
+  TextWithHelp,
   MultiSelectFilter,
   SelectionList,
   SelectionListItem,
@@ -288,11 +289,11 @@ export default function NotificationCenterPage({ settings, auth }: { settings: A
             scope="detail-pane"
             variant="detail"
             className="notifications-topbar"
-            contextActions={<div className="notifications-title-line">
-              <Bell size={18} />
+            title={<span className="notifications-title-line">
+              <Bell size={18} aria-hidden="true" />
               <strong>{selected?.subject || selected?.event_kind || "i18n:govoplan-notifications.surface.center"}</strong>
-            </div>}
-            helpAction={<DocumentationHelpLink reference={NOTIFICATIONS_DOCUMENTATION} />}
+            </span>}
+            titleHelp={<DocumentationHelpLink reference={NOTIFICATIONS_DOCUMENTATION} />}
             primaryActions={<div className="notifications-actions">
               <Button onClick={() => void markSelected("read")} disabled={Boolean(markReadDisabledReason)} disabledReason={markReadDisabledReason}>
                 <Check size={16} /> i18n:govoplan-notifications.mark_read
@@ -389,8 +390,9 @@ function NotificationDetails({ notification }: { notification: NotificationMessa
 
       <section className="notifications-attempts">
         <ActionToolbar surface="section-header" className="notifications-section-heading">
-          <h2>i18n:govoplan-notifications.delivery_attempts</h2>
-          <DocumentationHelpLink reference={NOTIFICATIONS_DELIVERY_DOCUMENTATION} />
+          <TextWithHelp as="div" help={<DocumentationHelpLink reference={NOTIFICATIONS_DELIVERY_DOCUMENTATION} />}>
+            <h2>i18n:govoplan-notifications.delivery_attempts</h2>
+          </TextWithHelp>
         </ActionToolbar>
         {notification.attempts.length === 0 ? <p className="muted">i18n:govoplan-notifications.no_delivery_attempt</p> : null}
         {notification.attempts.map((attempt) => (

webui/src/features/notifications/NotificationSettingsPanel.tsx

@@ -183,9 +183,6 @@ export default function NotificationSettingsPanel({ settings, auth }: { settings
 
   return (
     <ContentGrid columns={2} collapseAt="workspace" className="notifications-settings-panel">
-      <div className="notifications-settings-documentation">
-        <DocumentationHelpLink reference={NOTIFICATIONS_DOCUMENTATION} />
-      </div>
       {!canWrite ? (
         <ActionBlockerHint
           tone="info"
@@ -200,7 +197,7 @@ export default function NotificationSettingsPanel({ settings, auth }: { settings
           documentation={NOTIFICATIONS_DOCUMENTATION}
         />
       ) : null}
-      <Card title="i18n:govoplan-notifications.notifications">
+      <Card title="i18n:govoplan-notifications.notifications" titleHelp={<DocumentationHelpLink reference={NOTIFICATIONS_DOCUMENTATION} />}>
         <FormGrid columns={1} collapseAt="standard" className="">
           <ToggleSwitch
             label="i18n:govoplan-notifications.unread_badge"
@@ -230,9 +227,9 @@ export default function NotificationSettingsPanel({ settings, auth }: { settings
           {message ? <DismissibleAlert tone={messageTone} resetKey={message} floating>{message}</DismissibleAlert> : null}
         </FormGrid>
       </Card>
-      <Card title="i18n:govoplan-notifications.delivery">
+      <Card title="i18n:govoplan-notifications.delivery" titleHelp={<DocumentationHelpLink reference={NOTIFICATIONS_DELIVERY_DOCUMENTATION} />}>
         <FormGrid columns={1} collapseAt="standard" className="">
-          <DocumentationHelpLink reference={NOTIFICATIONS_DELIVERY_DOCUMENTATION} />
+
           <div className="notifications-settings-inline-title">
             <Mail size={16} />
             <strong>i18n:govoplan-notifications.email_notifications</strong>

webui/src/features/notifications/NotificationSummaryWidget.tsx

@@ -2,7 +2,6 @@ import { MetricGrid } from "@govoplan/core-webui";
 import { Link } from "react-router";
 import {
   DismissibleAlert,
-  DocumentationHelpLink,
   LoadingFrame,
   MetricCard,
   adminErrorMessage,
@@ -11,7 +10,6 @@ import {
   type DashboardWidgetConfiguration,
   useSharedNotificationSummary
 } from "@govoplan/core-webui";
-import { NOTIFICATIONS_DOCUMENTATION } from "./interfacePatterns";
 
 export default function NotificationSummaryWidget({
   settings,
@@ -66,7 +64,6 @@ export default function NotificationSummaryWidget({
         )}
       </MetricGrid>
       <div className="notifications-widget-actions">
-        <DocumentationHelpLink reference={NOTIFICATIONS_DOCUMENTATION} />
         {showCenterLink && (
           <Link className="btn btn-secondary" to="/notifications">
             i18n:govoplan-notifications.open_center