Add optional Nanobot plugin controls (#4396)

* feat: add optional nanobot features

* test: update azure install hint expectation

* fix: validate optional feature extras

maintainer edit: verify requested dependency extras before treating optional features as installed, propagate restart state from feature enablement, and align docs with the new plugins enable command.

* fix: bound optional feature installs

maintainer edit: make optional feature installs time out as a normal install failure instead of leaving the WebUI or CLI action waiting indefinitely.

* feat: slim optional channel dependencies

* fix: log optional install commands

* fix(webui): gate remote feature installs

* docs: clarify webhook plugin example

* fix(webui): harden optional feature installs

* fix: install optional deps without package fallback

* fix(cli): refine plugin feature controls

* fix(webui): count enabled nanobot features

* fix(webui): allow slow feature install routes

* fix(webui): allow disabling websocket channel

* fix(plugins): simplify optional feature controls

* fix(webui): polish apps catalog states

* fix(webui): confirm nanobot support installs

* fix(webui): polish nanobot install dialog

* fix(webui): suppress empty websocket handshakes

* fix(webui): clarify apps plugin summary

* fix(webui): localize workspace access copy

* fix(plugins): polish optional feature controls (#4691)

---------

Co-authored-by: Xubin Ren <52506698+Re-bin@users.noreply.github.com>

webui/src/tests/api.test.ts

@@ -8,6 +8,7 @@ import {
   fetchCliApps,
   fetchInstalledCliApps,
   fetchMcpPresets,
+  fetchNanobotFeatures,
   fetchProviderModels,
   fetchSessionAutomations,
   fetchSettingsUsage,
@@ -21,6 +22,8 @@ import {
   listSlashCommands,
   loginProviderOAuth,
   logoutProviderOAuth,
+  disableNanobotFeature,
+  enableNanobotFeature,
   runAutomationAction,
   runCliAppAction,
   runMcpPresetAction,
@@ -441,6 +444,40 @@ describe("webui API helpers", () => {
     );
   });
 
+  it("reads and toggles nanobot optional features", async () => {
+    vi.mocked(fetch).mockResolvedValueOnce({
+      ok: true,
+      json: async () => ({
+        features: [],
+        enabled_count: 0,
+      }),
+    } as Response);
+
+    await expect(fetchNanobotFeatures("tok")).resolves.toMatchObject({ features: [] });
+    expect(fetch).toHaveBeenCalledWith(
+      "/api/settings/nanobot-features",
+      expect.objectContaining({
+        headers: { Authorization: "Bearer tok" },
+      }),
+    );
+
+    await enableNanobotFeature("tok", "matrix");
+    expect(fetch).toHaveBeenCalledWith(
+      "/api/settings/nanobot-features/enable?name=matrix",
+      expect.objectContaining({
+        headers: { Authorization: "Bearer tok" },
+      }),
+    );
+
+    await disableNanobotFeature("tok", "matrix");
+    expect(fetch).toHaveBeenCalledWith(
+      "/api/settings/nanobot-features/disable?name=matrix",
+      expect.objectContaining({
+        headers: { Authorization: "Bearer tok" },
+      }),
+    );
+  });
+
   it("reads MCP presets and serializes actions", async () => {
     vi.mocked(fetch).mockResolvedValueOnce({
       ok: true,