diff --git a/web/src/components/NewSession/index.tsx b/web/src/components/NewSession/index.tsx
index 900d9148..855763e4 100644
--- a/web/src/components/NewSession/index.tsx
+++ b/web/src/components/NewSession/index.tsx
@@ -253,13 +253,18 @@ export function NewSession(props: {
         if (!props.api) {
             return
         }
-        props.api.getClaudeCustomModels().then((result) => {
-            if (!cancelled) {
-                setClaudeCustomModels(Array.isArray(result.models) ? result.models : [])
-            }
-        }).catch(() => {
-            // Custom models are optional — fall back to the built-in presets.
-        })
+        try {
+            props.api.getClaudeCustomModels().then((result) => {
+                if (!cancelled) {
+                    setClaudeCustomModels(Array.isArray(result.models) ? result.models : [])
+                }
+            }).catch(() => {
+                // Custom models are optional — fall back to the built-in presets.
+            })
+        } catch {
+            // Partial api clients (tests, older hub versions) without the
+            // method must not break the New Session form.
+        }
         return () => {
             cancelled = true
         }
diff --git a/web/src/components/SessionList.directory-action.test.tsx b/web/src/components/SessionList.directory-action.test.tsx
index eada39b6..bcedec27 100644
--- a/web/src/components/SessionList.directory-action.test.tsx
+++ b/web/src/components/SessionList.directory-action.test.tsx
@@ -462,9 +462,11 @@ describe('SessionList collapse behavior', () => {
         const runningPanel = () => screen.getByTitle('In progress').nextElementSibling
 
         expect(runningPanel()?.getAttribute('data-open')).toBe('true')
+        expect(screen.getByTitle('In progress').getAttribute('aria-expanded')).toBe('true')
 
         fireEvent.click(screen.getByTitle('In progress'))
         expect(runningPanel()?.getAttribute('data-open')).toBeNull()
+        expect(screen.getByTitle('In progress').getAttribute('aria-expanded')).toBe('false')
 
         fireEvent.click(screen.getByRole('button', { name: 'Search sessions' }))
         fireEvent.change(screen.getByPlaceholderText('Search sessions…'), {
@@ -472,6 +474,31 @@ describe('SessionList collapse behavior', () => {
         })
 
         expect(runningPanel()?.getAttribute('data-open')).toBe('true')
+        // The section stays reported open while searching even though the
+        // underlying collapsed state is still set.
+        expect(screen.getByTitle('In progress').getAttribute('aria-expanded')).toBe('true')
+    })
+
+    it('toggles the running section with the keyboard', () => {
+        const sessions = [
+            makeSession({
+                id: 'session-running',
+                active: true,
+                thinking: true,
+                updatedAt: 100,
+                metadata: { path: '/work/hapi', name: 'Running task', flavor: 'codex' },
+            }),
+        ]
+        render(renderSessionList(sessions))
+
+        const header = screen.getByRole('button', { name: /In progress/ })
+        expect(header.getAttribute('aria-expanded')).toBe('true')
+
+        fireEvent.keyDown(header, { key: 'Enter' })
+        expect(header.getAttribute('aria-expanded')).toBe('false')
+
+        fireEvent.keyDown(header, { key: ' ' })
+        expect(header.getAttribute('aria-expanded')).toBe('true')
     })
 
     it('keeps the previous selected path open when selection moves', async () => {
diff --git a/web/src/components/SessionList.tsx b/web/src/components/SessionList.tsx
index a659ff91..d637745d 100644
--- a/web/src/components/SessionList.tsx
+++ b/web/src/components/SessionList.tsx
@@ -1427,10 +1427,19 @@ export function SessionList(props: {
                     <div key="running-section">
                         <div
                             className="group/running flex min-w-0 w-full select-none cursor-pointer items-center gap-2 rounded-lg py-1.5 pl-2 pr-2 transition-colors hover:bg-[var(--app-secondary-bg)]"
+                            role="button"
+                            tabIndex={0}
+                            aria-expanded={!runningSectionCollapsed || isFiltering}
                             onClick={() => setRunningSectionCollapsed((value) => !value)}
+                            onKeyDown={(event) => {
+                                if (event.key === 'Enter' || event.key === ' ') {
+                                    event.preventDefault()
+                                    setRunningSectionCollapsed((value) => !value)
+                                }
+                            }}
                             title={t('sessions.runningSection')}
                         >
-                            <ChevronIcon className="h-3.5 w-3.5 text-[var(--app-hint)] shrink-0" collapsed={runningSectionCollapsed} />
+                            <ChevronIcon className="h-3.5 w-3.5 text-[var(--app-hint)] shrink-0" collapsed={runningSectionCollapsed && !isFiltering} />
                             <span className="inline-flex h-3.5 w-3.5 shrink-0 items-center justify-center" aria-hidden="true">
                                 <span className="h-1.5 w-1.5 rounded-full bg-[var(--app-badge-success-text)] animate-pulse" />
                             </span>
diff --git a/web/src/hooks/usePushNotifications.ts b/web/src/hooks/usePushNotifications.ts
index 4ba03d07..f6b8f6a3 100644
--- a/web/src/hooks/usePushNotifications.ts
+++ b/web/src/hooks/usePushNotifications.ts
@@ -143,7 +143,6 @@ export function usePushNotifications(api: ApiClient | null) {
                     applicationServerKey
                 })
             }
-            writeStoredVapidKey(publicKey)
 
             const json = subscription.toJSON()
             const keys = json.keys
@@ -158,6 +157,11 @@ export function usePushNotifications(api: ApiClient | null) {
                     auth: keys.auth
                 }
             })
+            // Only record the key after the hub registration succeeded. A
+            // failed registration must leave the previous key in place so the
+            // next load retries the replacement instead of reusing a
+            // subscription the hub never learned about.
+            writeStoredVapidKey(publicKey)
             setIsSubscribed(true)
             return true
         } catch (error) {