feat: add desktop LAN access setting

packages/web/server/lib/opencode/settings-helpers.js

@@ -85,6 +85,9 @@ export const createSettingsHelpers = (dependencies) => {
       const normalized = normalizeDirectoryPath(candidate.opencodeBinary).trim();
       result.opencodeBinary = normalized;
     }
+    if (typeof candidate.desktopLanAccessEnabled === 'boolean') {
+      result.desktopLanAccessEnabled = candidate.desktopLanAccessEnabled;
+    }
     if (Array.isArray(candidate.projects)) {
       const projects = sanitizeProjects(candidate.projects);
       if (projects) {

packages/web/server/lib/opencode/settings-helpers.test.js

@@ -40,4 +40,15 @@ describe('settings helpers', () => {
 
     expect(helpers.sanitizeSettingsUpdate({ messageStreamTransport: 'websocket' })).toEqual({});
   });
+
+  it('accepts desktopLanAccessEnabled as a persisted shared setting', () => {
+    const helpers = createTestHelpers();
+
+    expect(helpers.sanitizeSettingsUpdate({ desktopLanAccessEnabled: true })).toEqual({
+      desktopLanAccessEnabled: true,
+    });
+    expect(helpers.sanitizeSettingsUpdate({ desktopLanAccessEnabled: false })).toEqual({
+      desktopLanAccessEnabled: false,
+    });
+  });
 });