diff --git a/packages/client/ui-deliverables/src/client/Deliverables.module.css b/packages/client/ui-deliverables/src/client/Deliverables.module.css
index eac1f29ea4..edd1cac863 100644
--- a/packages/client/ui-deliverables/src/client/Deliverables.module.css
+++ b/packages/client/ui-deliverables/src/client/Deliverables.module.css
@@ -18,8 +18,8 @@
 .description { overflow: hidden; color: var(--dsw-alias-label-tertiary); font-size: 10px; font-weight: 400; line-height: 16px; text-overflow: ellipsis; white-space: nowrap; }
 .description[data-error='true'] { color: var(--dsw-alias-state-error-primary); }
 .previewHint { display: none; }
-.file:hover .secondaryText { display: none; }
-.file:hover .previewHint { display: inline; }
+.file:hover .description:not([role='status']) .secondaryText { display: none; }
+.file:hover .description:not([role='status']) .previewHint { display: inline; }
 .toggle { align-self: center; display: inline-flex; align-items: center; gap: 4px; min-width: 0; padding: 1px 11px; border: 0; border-radius: 8px; background: transparent; color: var(--dsw-alias-label-tertiary); cursor: pointer; font: inherit; font-size: 12px; line-height: 18px; }
 .toggle:hover { background: var(--dsw-alias-interactive-bg-hover); }
 .toggle svg { flex: none; width: 14px; height: 14px; }
diff --git a/packages/client/ui-deliverables/src/client/Deliverables.tsx b/packages/client/ui-deliverables/src/client/Deliverables.tsx
index fa6c167b1e..3fae39bd01 100644
--- a/packages/client/ui-deliverables/src/client/Deliverables.tsx
+++ b/packages/client/ui-deliverables/src/client/Deliverables.tsx
@@ -57,7 +57,7 @@ export function DeliverablesTail(props: PropsRuntime<'conversation.chat.turnTail
 
 /**
  * Render the changed-files card, once the Host has served the announced
- * summary and it lists a file, and default-application buttons for declared
+ * summary and it lists a file, and shared native opening controls for declared
  * files. A summary the Host no longer serves leaves no card.
  * @param props - matched announcement and files, workspace opener, and localized copy.
  * @returns the closing turn's file rows.
diff --git a/packages/client/ui-deliverables/src/client/PresentedFileCard.tsx b/packages/client/ui-deliverables/src/client/PresentedFileCard.tsx
index 03ed7e411c..97008ceced 100644
--- a/packages/client/ui-deliverables/src/client/PresentedFileCard.tsx
+++ b/packages/client/ui-deliverables/src/client/PresentedFileCard.tsx
@@ -1,4 +1,4 @@
-/** File identity and explicit default-app or file-manager actions for one delivery. */
+/** File identity, Sidebar preview, and contributed native actions for one delivery. */
 import type { ReactNode } from 'react'
 import { resolveWorkspacePath } from '@deepseek-ai/dsh-util-workspace-path'
 import { FileTypeIcon, fileExtension } from '@deepseek-ai/dsh-client-ui-primitives'
diff --git a/packages/client/ui-open-in-app/src/client/index.ts b/packages/client/ui-open-in-app/src/client/index.ts
index c92aff20f5..7c28ccce1a 100644
--- a/packages/client/ui-open-in-app/src/client/index.ts
+++ b/packages/client/ui-open-in-app/src/client/index.ts
@@ -1,12 +1,7 @@
 /**
- * Browser half of open-in-app: one Session-header split button opening the
- * session's workspace directory (the summary's `cwd`) in the remembered
- * installed application, and the document preview's default-application
- * controls opening one previewed file. Application availability arrives once
- * per page from the host apps route and the last choice persists in the
- * browser through the controller's persisted snapshot store; desktop
- * availability for file paths arrives once per page from the Session Remote,
- * which also runs the open and reveal gestures.
+ * Shared native opening controls for workspace directories, document previews,
+ * delivery cards, and changed-file review. Directory choices persist in the browser;
+ * file defaults and application lists come from the serving Host desktop.
  */
 
 import type { Context as ClientContext } from '@deepseek-ai/cordis'
diff --git a/snapshots/web/present/ui.expected.md b/snapshots/web/present/ui.expected.md
index ad3780520c..a3c254300f 100644
--- a/snapshots/web/present/ui.expected.md
+++ b/snapshots/web/present/ui.expected.md
@@ -38,13 +38,13 @@
 - button "Preview report.txt in sidebar"
 - text: report.txt
 - status: Opened in default app
-- button "Open report.txt in sidebar": Open
-- button "More file actions for report.txt"
+- button "Open in Test Editor"
+- button "More ways to open"
 - button "Preview 说明.txt in sidebar"
 - text: 说明.txt
 - status: Opened in default app
-- button "Open 说明.txt in sidebar": Open
-- button "More file actions for 说明.txt"
+- button "Open in Test Editor"
+- button "More ways to open"
 - button "Copy"
 - button "Good response"
 - button "Bad response"