Add optional plugin market and Query navigation

build/dsh-desktop.patch.yml

@@ -7,3 +7,17 @@
 - insert:
     - id: directory-picker-electron-desktop-surface
       name: '@deepseek-ai/dsh-client-ui-directory-picker-native'
+
+    # DSH Desktop owns the fixed-target dsh-market installer and its lightweight
+    # settings entry. After dshmarket is installed and Harness restarts, the
+    # community plugin replaces the placeholder with its complete market UI.
+    - id: dsh-desktop-market-installer
+      name: dsh-desktop-market-installer
+
+# dsh-market normally offers to restart its own Node process after mutations.
+# The desktop shell has the real lifecycle authority, so keep that behavior off
+# whenever the optional plugin is present in the composed profile.
+- id: dsh-market
+  config:
+    profile: web
+    allowRestart: false

package.json

@@ -60,6 +60,7 @@
     "@deepseek-ai/dsh-subprocess": "0.1.0-rc.6",
     "@deepseek-ai/dsh-timeout": "0.1.0-rc.6",
     "@deepseek-ai/dsh-workflow": "0.1.0-rc.6",
+    "dsh-desktop-market-installer": "file:packages/dsh-desktop-market-installer",
     "electron-updater": "^6.8.9",
     "node": "24.9.0",
     "qrcode": "^1.5.4"