diff --git a/docs/LOCALIZATION_AND_HELP_QUALITY.md b/docs/LOCALIZATION_AND_HELP_QUALITY.md
index bfe683a..5787526 100644
--- a/docs/LOCALIZATION_AND_HELP_QUALITY.md
+++ b/docs/LOCALIZATION_AND_HELP_QUALITY.md
@@ -48,6 +48,12 @@ module and server restrictions, lower-scope visibility, activation, save, and
 irreversible deletion. This ensures F1 explains secret custody and the effect on
 dependent connections from system, tenant, group, user, and personal surfaces.
 
+The source inventory treats literal `helpContextId` and
+`data-help-context-id` declarations as authored help associations, including a
+native control nested in `FormField`. Dynamic context expressions remain
+separate evidence and generic derived fallbacks remain in the richer-help
+candidate queue.
+
 The generated `help_review_candidates` list is therefore a content-depth queue,
 not a list of controls on which F1 cannot work. It should prioritize:
 
@@ -57,6 +63,14 @@ not a list of controls on which F1 cannot work. It should prioritize:
 4. provider authority, synchronization, conflict, and outcome unknown;
 5. fields whose consequences are not evident from their label.
 
+The shared browser conformance journey mounts the production Help menu and
+resolver. It proves that F1 uses the focused control rather than only the page,
+maps an exact retention action to Policy-owned administrator documentation,
+retains the page context as fallback for derived actions, exposes an accessible
+modal at narrow widths, closes with Escape, and restores focus to the triggering
+control. Module journeys should add their own exact high-risk mappings; they do
+not need to reimplement the keyboard or dialog mechanics.
+
 ## Verification
 
 ```bash
@@ -74,3 +88,10 @@ The check must report:
 - no duplicate stable IDs;
 - no undeclared public WebUI surface;
 - no stale runtime route or endpoint declaration.
+
+Browser acceptance is part of the focused workspace gate and can be run alone:
+
+```bash
+cd /mnt/DATA/git/govoplan-core/webui
+npm run test:conformance
+```
diff --git a/webui/conformance/ConformanceApp.tsx b/webui/conformance/ConformanceApp.tsx
index 57bed16..a3943d4 100644
--- a/webui/conformance/ConformanceApp.tsx
+++ b/webui/conformance/ConformanceApp.tsx
@@ -26,6 +26,7 @@ import WorkspaceFrame from "../src/components/WorkspaceFrame";
 import WorkspaceLayout from "../src/components/WorkspaceLayout";
 import WorkspaceActionBar from "../src/components/WorkspaceActionBar";
 import BreadcrumbBar from "../src/layout/BreadcrumbBar";
+import HelpMenu from "../src/layout/HelpMenu";
 import { useGuardedNavigate } from "../src/components/UnsavedChangesGuard";
 import {
   createQuickAccessLaunchContext,
@@ -149,6 +150,7 @@ export default function ConformanceApp() {
         </section>
 
         <LaunchContextScenario />
+        {new URLSearchParams(location.search).has("help") ? <HelpConformanceScenario /> : null}
       </PageLayout>
 
       <Dialog
@@ -170,6 +172,32 @@ export default function ConformanceApp() {
   );
 }
 
+function HelpConformanceScenario() {
+  return (
+    <section className="conformance-section" aria-labelledby="help-heading">
+      <h2 id="help-heading">Kontextsensitive Hilfe</h2>
+      <p>F1 löst den Hilfekontext des fokussierten Bedienelements auf und kehrt nach dem Schließen dorthin zurück.</p>
+      <ActionToolbar surface="subtle">
+        <Button
+          variant="danger"
+          data-testid="f1-retention-action"
+          helpContextId="policy.retention.action.apply"
+          helpModuleId="policy"
+        >
+          Aufbewahrungsregeln anwenden
+        </Button>
+        <Button
+          data-testid="f1-fallback-action"
+          interfaceId="core.conformance.action.review"
+        >
+          Allgemeine Aktion prüfen
+        </Button>
+        <HelpMenu auth={null} />
+      </ActionToolbar>
+    </section>
+  );
+}
+
 function QuickAccessScenario() {
   const location = useLocation();
   const mode = new URLSearchParams(location.search).get("quick-access");
diff --git a/webui/conformance/installedModules.ts b/webui/conformance/installedModules.ts
new file mode 100644
index 0000000..7abf182
--- /dev/null
+++ b/webui/conformance/installedModules.ts
@@ -0,0 +1,3 @@
+const installedModules: Array<never> = [];
+
+export default installedModules;
diff --git a/webui/conformance/main.tsx b/webui/conformance/main.tsx
index 911f907..9334220 100644
--- a/webui/conformance/main.tsx
+++ b/webui/conformance/main.tsx
@@ -3,6 +3,9 @@ import ReactDOM from "react-dom/client";
 import { BrowserRouter } from "react-router";
 import ConformanceApp from "./ConformanceApp";
 import { UnsavedChangesProvider } from "../src/components/UnsavedChangesGuard";
+import { PlatformLanguageProvider } from "../src/i18n/LanguageContext";
+import { PlatformModulesProvider } from "../src/platform/ModuleContext";
+import type { PlatformWebModule } from "../src/types";
 import "../src/styles/tokens.css";
 import "../src/styles/layout.css";
 import "../src/styles/forms.css";
@@ -16,12 +19,28 @@ import "./conformance.css";
 const theme = new URLSearchParams(window.location.search).get("theme");
 if (theme === "dark" || theme === "light") document.documentElement.dataset.theme = theme;
 
+const CONFORMANCE_MODULES: PlatformWebModule[] = [{
+  id: "policy",
+  label: "Richtlinien",
+  version: "1",
+  helpContexts: [{
+    id: "policy.retention.action.apply",
+    topic_id: "policy.admin.retention-and-disposition",
+    title: "Aufbewahrungsregeln sicher anwenden",
+    documentation_types: ["admin"]
+  }]
+}];
+
 ReactDOM.createRoot(document.getElementById("root")!).render(
   <React.StrictMode>
     <BrowserRouter>
-      <UnsavedChangesProvider>
-        <ConformanceApp />
-      </UnsavedChangesProvider>
+      <PlatformModulesProvider modules={CONFORMANCE_MODULES}>
+        <PlatformLanguageProvider preferredLanguageCode="de">
+          <UnsavedChangesProvider>
+            <ConformanceApp />
+          </UnsavedChangesProvider>
+        </PlatformLanguageProvider>
+      </PlatformModulesProvider>
     </BrowserRouter>
   </React.StrictMode>
 );
diff --git a/webui/conformance/tests/ui-conformance.spec.ts b/webui/conformance/tests/ui-conformance.spec.ts
index db031dd..30641e0 100644
--- a/webui/conformance/tests/ui-conformance.spec.ts
+++ b/webui/conformance/tests/ui-conformance.spec.ts
@@ -110,6 +110,44 @@ test("Quick Access preserves focus and adapts to a narrow viewport", async ({ pa
   await expect(filesTrigger).toBeFocused();
 });
 
+test("F1 resolves focused high-risk help and restores focus accessibly", async ({ page }) => {
+  await page.setViewportSize({ width: 390, height: 844 });
+  await page.goto("/?theme=light&help=1");
+
+  const retentionAction = page.getByTestId("f1-retention-action");
+  await retentionAction.focus();
+  await page.keyboard.press("F1");
+
+  const dialog = page.getByRole("dialog", { name: "Kontexthilfe" });
+  await expect(dialog).toBeVisible();
+  await expect(dialog.locator("[data-help-context]"))
+    .toHaveAttribute("data-help-context", "policy.retention.action.apply");
+  await expect(dialog.getByRole("heading", { level: 3 }))
+    .toHaveText("Aufbewahrungsregeln anwenden");
+  await expect(dialog).toContainText("topic=policy.admin.retention-and-disposition");
+  await expect(dialog.getByRole("button", { name: "Administrator-Dokumentation öffnen" }))
+    .toBeVisible();
+  await expectNoAccessibilityViolations(page);
+
+  const bounds = await dialog.boundingBox();
+  expect(bounds?.x).toBeGreaterThanOrEqual(0);
+  expect((bounds?.x ?? 0) + (bounds?.width ?? 0)).toBeLessThanOrEqual(390);
+
+  await page.keyboard.press("Escape");
+  await expect(dialog).toBeHidden();
+  await expect(retentionAction).toBeFocused();
+
+  const fallbackAction = page.getByTestId("f1-fallback-action");
+  await fallbackAction.focus();
+  await page.keyboard.press("F1");
+  const fallbackDialog = page.getByRole("dialog", { name: "Kontexthilfe" });
+  await expect(fallbackDialog.locator("[data-help-context]"))
+    .toHaveAttribute("data-help-context", "core.conformance.action.review");
+  await expect(fallbackDialog).toContainText("fallback_context=campaigns.list");
+  await page.keyboard.press("Escape");
+  await expect(fallbackAction).toBeFocused();
+});
+
 test("View focus has a deliberate permission-derived all-tools escape", async ({ page }) => {
   await page.route("**/api/v1/quick-access/effective*", async (route) => {
     await route.fulfill({
diff --git a/webui/src/i18n/generatedTranslations.ts b/webui/src/i18n/generatedTranslations.ts
index 8327722..7f8c3de 100644
--- a/webui/src/i18n/generatedTranslations.ts
+++ b/webui/src/i18n/generatedTranslations.ts
@@ -26,6 +26,7 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.restore_safe_defaults": "Restore safe defaults",
     "i18n:govoplan-core.import_overrides": "Import JSON",
     "i18n:govoplan-core.export_overrides": "Export JSON",
+    "i18n:govoplan-core.explanation_subject.6ff46d22": "Explanation subject",
     "i18n:govoplan-core.remove_overrides": "Remove overrides",
     "i18n:govoplan-core.appearance_override_not_configured_help": "No personal token overrides are stored. Preset and policy inheritance remain active.",
     "i18n:govoplan-core.appearance_override_policy_disabled": "The governing appearance policy currently blocks creating or editing personal overrides. Existing overrides may still be exported or removed.",
@@ -761,6 +762,7 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.restore_safe_defaults": "Sichere Standardwerte wiederherstellen",
     "i18n:govoplan-core.import_overrides": "JSON importieren",
     "i18n:govoplan-core.export_overrides": "JSON exportieren",
+    "i18n:govoplan-core.explanation_subject.6ff46d22": "Person für die Zugriffserklärung",
     "i18n:govoplan-core.remove_overrides": "Anpassungen entfernen",
     "i18n:govoplan-core.appearance_override_not_configured_help": "Es sind keine persönlichen Token-Anpassungen gespeichert. Vorgaben und Richtlinienvererbung bleiben aktiv.",
     "i18n:govoplan-core.appearance_override_policy_disabled": "Die geltende Darstellungsrichtlinie sperrt derzeit das Anlegen oder Bearbeiten persönlicher Anpassungen. Bestehende Anpassungen können weiterhin exportiert oder entfernt werden.",
@@ -936,7 +938,7 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.choose_date.e7877fd9": "Choose date",
     "i18n:govoplan-core.clear_filter.b667d6f9": "Clear filter",
     "i18n:govoplan-core.close_filter.3a281c3f": "Close filter",
-    "i18n:govoplan-core.close.bbfa773e": "Close",
+    "i18n:govoplan-core.close.bbfa773e": "Schließen",
     "i18n:govoplan-core.collapse.9cf188d3": "Collapse",
     "i18n:govoplan-core.color_picker.91dee962": "Color picker",
     "i18n:govoplan-core.comfortable.2313707a": "Comfortable",
@@ -950,7 +952,7 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.connection_security_mode_expected_by_the_server_.4348e12e": "Connection security mode expected by the server: plain, TLS or STARTTLS.",
     "i18n:govoplan-core.connection_successful_the_backend_health_endpoin.14eb9295": "Connection successful. The backend health endpoint responded.",
     "i18n:govoplan-core.contains.33e15d00": "Contains",
-    "i18n:govoplan-core.context_help.7fc44ea1": "Context help",
+    "i18n:govoplan-core.context_help.7fc44ea1": "Kontexthilfe",
     "i18n:govoplan-core.controls_contextual_ui_help_markers_once_persist.0eaef9c4": "Controls contextual UI help markers once persisted user preferences are available.",
     "i18n:govoplan-core.core_only.d46ce7d9": "Core only",
     "i18n:govoplan-core.core_shell_only.4949b5d5": "Core shell only",
@@ -1047,9 +1049,9 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.group.171a0606": "Group",
     "i18n:govoplan-core.groups": "Gruppen",
     "i18n:govoplan-core.headers.520de744": "Headers",
-    "i18n:govoplan-core.help_context.61aed3b9": "Help context:",
+    "i18n:govoplan-core.help_context.61aed3b9": "Hilfekontext:",
     "i18n:govoplan-core.help_f1": "Hilfe (F1)",
-    "i18n:govoplan-core.help.c47ae153": "Help",
+    "i18n:govoplan-core.help.c47ae153": "Hilfe",
     "i18n:govoplan-core.hh_mm.a4c7ee9b": "HH:MM",
     "i18n:govoplan-core.hide_password.e40123b4": "Hide password",
     "i18n:govoplan-core.high_level_campaign_pattern_used_by_guided_setup.c5ec6652": "High-level campaign pattern used by guided setup to prefill sensible defaults.",
@@ -1174,9 +1176,9 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.on.e0049a66": "On",
     "i18n:govoplan-core.only_users_with_maintenance_access_can_use_the_s.5566264f": "Only users with maintenance access can use the system right now.",
     "i18n:govoplan-core.open_address_form.f8ee560f": "Open address form",
-    "i18n:govoplan-core.open_admin_documentation.6adbdae3": "Open admin documentation",
+    "i18n:govoplan-core.open_admin_documentation.6adbdae3": "Administrator-Dokumentation öffnen",
     "i18n:govoplan-core.open_maintenance_mode_settings.99b41249": "Open maintenance mode settings",
-    "i18n:govoplan-core.open_user_documentation.084af515": "Open user documentation",
+    "i18n:govoplan-core.open_user_documentation.084af515": "Benutzerdokumentation öffnen",
     "i18n:govoplan-core.optional_backend_url_leave_empty_to_use_the_curr.52bd2bb4": "Optional backend URL. Leave empty to use the current origin and the configured Vite/backend proxy.",
     "i18n:govoplan-core.optional_html_version_of_the_email_body_for_rich.3f01db97": "Optional HTML version of the email body for richer formatting.",
     "i18n:govoplan-core.optional_local_alias_for_the_active_tenant_it_do.edbb7b14": "Optional local alias for the active tenant. It does not replace the global account name in the title bar.",
@@ -1184,7 +1186,7 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.owner.89ff3122": "Eigentümer",
     "i18n:govoplan-core.owner_policy.1e8df143": "Owner policy",
     "i18n:govoplan-core.p_no_html_body_content_p.c305bfc6": "<p>No HTML body content.</p>",
-    "i18n:govoplan-core.page.fb06270f": "Page",
+    "i18n:govoplan-core.page.fb06270f": "Seite",
     "i18n:govoplan-core.password_for_the_selected_account_or_mail_server.d9681f16": "Password for the selected account or mail server. Stored and transmitted according to the configured backend flow.",
     "i18n:govoplan-core.password_protected.09d9e174": "Password protected",
     "i18n:govoplan-core.password.8be3c943": "Passwort",
@@ -1346,12 +1348,12 @@ export const generatedTranslations: PlatformTranslations = {
     "i18n:govoplan-core.theme_and_language.60a8cf59": "Design und Sprache",
     "i18n:govoplan-core.theme.a797e309": "Theme",
     "i18n:govoplan-core.this_address_is_already_listed.0f6d0ff2": "This address is already listed.",
-    "i18n:govoplan-core.this_area_is_prepared_for_context_sensitive_help.57665877": "This area is prepared for context-sensitive help. Future help content can use this context identifier, or the equivalent help query parameter",
+    "i18n:govoplan-core.this_area_is_prepared_for_context_sensitive_help.57665877": "Das fokussierte Bedienelement verweist auf den folgenden dokumentierten Hilfekontext:",
     "i18n:govoplan-core.this_global_name_is_shown_in_the_title_bar_and_f.1d46240e": "This global name is shown in the title bar and follows you across tenant memberships.",
     "i18n:govoplan-core.this_module_is_prepared_but_not_implemented_yet.6e6449ee": "Dieses Modul ist vorbereitet, aber noch nicht umgesetzt.",
     "i18n:govoplan-core.this_page_has_unsaved_changes_save_them_before_l.419a9d8b": "This page has unsaved changes. Save them before leaving, or discard the changes and continue.",
     "i18n:govoplan-core.timeout_seconds.0bfc6553": "Timeout seconds",
-    "i18n:govoplan-core.to_open_the_right_page_or_section.5ecf4fd2": "to open the right page or section.",
+    "i18n:govoplan-core.to_open_the_right_page_or_section.5ecf4fd2": "Öffnen Sie die verknüpfte Dokumentation für Berechtigungen, Folgen und Hinweise zur Wiederherstellung.",
     "i18n:govoplan-core.to.ae79ea1e": "To",
     "i18n:govoplan-core.tu.b44892b7": "Tu",
     "i18n:govoplan-core.type_a_name_and_email_address_then_press_enter.7c8d43f0": "Type a name and email address, then press Enter",
diff --git a/webui/vite.conformance.config.ts b/webui/vite.conformance.config.ts
index 18158db..ce087ba 100644
--- a/webui/vite.conformance.config.ts
+++ b/webui/vite.conformance.config.ts
@@ -8,6 +8,7 @@ export default defineConfig({
   resolve: {
     alias: {
       "@govoplan/core-webui": resolve(import.meta.dirname, "conformance/QuickAccessCoreFacade.ts"),
+      "virtual:govoplan-installed-modules": resolve(import.meta.dirname, "conformance/installedModules.ts"),
       react: resolve(import.meta.dirname, "node_modules/react"),
       "react-router": resolve(import.meta.dirname, "node_modules/react-router"),
       "lucide-react": resolve(import.meta.dirname, "node_modules/lucide-react")