Keep P2P consumers on the current transport

src/apps/cli/testdeno/test-p2p-relay-disconnect.ts

@@ -0,0 +1,26 @@
+import { assert, assertEquals } from "@std/assert";
+
+Deno.test("p2p lifecycle: explicit disconnect closes and pauses relay WebSockets", async () => {
+    const command = new Deno.Command("node", {
+        args: [new URL("./relay-disconnect-probe.mjs", import.meta.url).pathname],
+        env: {
+            RELAY: Deno.env.get("RELAY") ?? "ws://nostr-relay:7777/",
+            RELAY_TIMEOUT_MS: Deno.env.get("LIVESYNC_P2P_RELAY_READY_TIMEOUT_MS") ?? "15000",
+        },
+        stdout: "piped",
+        stderr: "piped",
+    });
+    const result = await command.output();
+    const stdout = new TextDecoder().decode(result.stdout).trim();
+    const stderr = new TextDecoder().decode(result.stderr).trim();
+
+    assert(result.success, `Relay disconnect probe failed\nstdout: ${stdout}\nstderr: ${stderr}`);
+    const report = JSON.parse(stdout.split("\n").at(-1) ?? "{}") as {
+        socketsClosed?: number;
+        stayedDisconnectedWhilePaused?: boolean;
+        reconnectedAfterResume?: boolean;
+    };
+    assert((report.socketsClosed ?? 0) > 0, "The probe did not observe an open relay WebSocket");
+    assertEquals(report.stayedDisconnectedWhilePaused, true);
+    assertEquals(report.reconnectedAfterResume, true);
+});