feat(apps): unify CLI apps and MCP (#3991)

* refactor(cli): load bundled apps from catalog

* feat(plugins): unify CLI and MCP settings

* feat(plugins): add settings category filter

* style(plugins): refine settings catalog

* refactor(cli): load nanobot apps from repo catalog

* feat(store): add capability store entry

* feat(apps): rename capability store

* fix(apps): verify clean app removal

* fix(apps): keep main sidebar on apps view

* feat(apps): add shared app manifest protocol

* fix(apps): dismiss app status message

* refactor(apps): move CLI adapter under apps

* refactor(apps): drop legacy cli apps package

webui/src/tests/thread-composer.test.tsx

@@ -346,7 +346,7 @@ describe("ThreadComposer", () => {
     const input = screen.getByLabelText("Message input");
     fireEvent.change(input, { target: { value: "@", selectionStart: 1 } });
 
-    const palette = screen.getByRole("listbox", { name: "Apps and MCP" });
+    const palette = screen.getByRole("listbox", { name: "Apps" });
     expect(palette).toBeInTheDocument();
     expect(screen.getByRole("option", { name: /@gimp/i })).toHaveAttribute(
       "aria-selected",
@@ -365,7 +365,7 @@ describe("ThreadComposer", () => {
     expect(screen.getByTestId("composer-cli-mention-blender")).toHaveTextContent("@blender");
     expect(screen.queryByTestId("composer-cli-app-tray")).not.toBeInTheDocument();
     expect(onSend).not.toHaveBeenCalled();
-    expect(screen.queryByRole("listbox", { name: "Apps and MCP" })).not.toBeInTheDocument();
+    expect(screen.queryByRole("listbox", { name: "Apps" })).not.toBeInTheDocument();
 
     fireEvent.click(screen.getByRole("button", { name: "Send message" }));