feat: convert ssh tunnels into a plugin

plugins/tunnels/tests/frontend/tunnel-naming.test.ts

@@ -0,0 +1,52 @@
+import { describe, expect, it } from "vitest";
+import {
+  clientTunnelName,
+  serverTunnelName,
+} from "../../src/shared/tunnel-naming";
+import { connectRequestFor } from "../../src/frontend/host-tunnels";
+
+const host = { id: "7", name: "web", username: "root", ip: "10.0.0.5" };
+const tunnel = {
+  scope: "s2s" as const,
+  mode: "local" as const,
+  sourcePort: 8080,
+  endpointHost: " db ",
+  endpointPort: 5432,
+  maxRetries: 3,
+  retryInterval: 10,
+  autoStart: false,
+};
+
+describe("tunnel names", () => {
+  it("builds a server tunnel name the connect request carries unchanged", () => {
+    const name = serverTunnelName(host, 0, tunnel);
+    expect(name).toBe("7::0::web::8080::db::5432");
+    const request = connectRequestFor(host, 0, tunnel);
+    expect(request.name).toBe(name);
+    // The backend checks the name against these fields, so they must agree.
+    expect(request.endpointHost).toBe("db");
+    expect(request.sourceHostId).toBe(7);
+  });
+
+  it("falls back to user@ip for an unnamed host", () => {
+    expect(serverTunnelName({ ...host, name: "" }, 1, tunnel)).toBe(
+      "7::1::root@10.0.0.5::8080::db::5432",
+    );
+  });
+
+  it("names a client tunnel the way the desktop app tracks it", () => {
+    expect(
+      clientTunnelName(
+        {
+          sourceHostId: 3,
+          mode: "remote",
+          localAddress: "",
+          remoteAddress: "10.0.0.1",
+          sourcePort: 9000,
+          endpointPort: 80,
+        },
+        2,
+      ),
+    ).toBe("c2s::2::3::remote::127.0.0.1::10.0.0.1::9000::80");
+  });
+});