feat(ssh-terminal): add a duplicate tab action (#1510)

plugins/ssh-terminal/tests/frontend/activate.test.tsx

@@ -63,6 +63,36 @@ describe(`${manifest.id} activate`, () => {
     );
   });
 
+  it("duplicates only the SSH connection configuration into a fresh tab", async () => {
+    rendered = await renderWithApp(plugin, { manifest, locales });
+    const host = { id: 7, name: "server", ip: "192.0.2.1", port: 22 };
+    expect(rendered.registered.slot("tab.menu")).toContain(
+      "terminal.duplicateTab",
+    );
+    await rendered.app.invokeAction("terminal.duplicateTab", undefined, {
+      id: "old-tab",
+      type: "terminal",
+      host,
+      instanceId: "old-instance",
+      data: { initialPath: "/tmp", joinSharedSessionId: "shared-session" },
+    });
+    expect(rendered.shellCalls).toEqual([
+      {
+        method: "openTab",
+        args: [
+          { ...host, pluginSettings: {} },
+          "terminal",
+          { forceNewTab: true },
+        ],
+      },
+    ]);
+    await rendered.app.invokeAction("terminal.duplicateTab", undefined, {
+      id: "local",
+      type: "local-terminal",
+    });
+    expect(rendered.shellCalls).toHaveLength(1);
+  });
+
   it("owns the host editor's Terminal tab in the SSH group", async () => {
     rendered = await renderWithApp(plugin, { manifest, locales });
     expect(rendered.registered.hostEditorSections()).toEqual(["terminal"]);