feat(session-export): add command and Header action

packages/bundle/web-app/cordis.patch.yml

@@ -65,6 +65,10 @@
       config:
         maxNoteBytes: 8192
 
+    # Browser Session export: `/export` command plus the shared download dialog.
+    - id: session-export
+      name: '@deepseek-ai/dsh-session-export'
+
     - id: workspace
       name: '@deepseek-ai/dsh-workspace'
 

packages/bundle/web-app/package.json

@@ -92,6 +92,7 @@
     "@deepseek-ai/dsh-host-webserver": "workspace:^",
     "@deepseek-ai/dsh-message-feedback": "workspace:^",
     "@deepseek-ai/dsh-session-projection-cache": "workspace:^",
+    "@deepseek-ai/dsh-session-export": "workspace:^",
     "@deepseek-ai/dsh-storage": "workspace:^",
     "@deepseek-ai/dsh-storage-domain": "workspace:^",
     "@deepseek-ai/dsh-storage-json": "workspace:^",