fix: handle gateway slash command replies in TUI

src/gateway/server.chat.gateway-server-chat.e2e.test.ts

@@ -259,6 +259,45 @@ describe("gateway server chat", () => {
     }
   });
 
+  test("routes chat.send slash commands without agent runs", async () => {
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-gw-"));
+    try {
+      testState.sessionStorePath = path.join(dir, "sessions.json");
+      await writeSessionStore({
+        entries: {
+          main: {
+            sessionId: "sess-main",
+            updatedAt: Date.now(),
+          },
+        },
+      });
+
+      const spy = vi.mocked(agentCommand);
+      const callsBefore = spy.mock.calls.length;
+      const eventPromise = onceMessage(
+        ws,
+        (o) =>
+          o.type === "event" &&
+          o.event === "chat" &&
+          o.payload?.state === "final" &&
+          o.payload?.runId === "idem-command-1",
+        8000,
+      );
+      const res = await rpcReq(ws, "chat.send", {
+        sessionKey: "main",
+        message: "/context list",
+        idempotencyKey: "idem-command-1",
+      });
+      expect(res.ok).toBe(true);
+      const evt = await eventPromise;
+      expect(evt.payload?.message?.command).toBe(true);
+      expect(spy.mock.calls.length).toBe(callsBefore);
+    } finally {
+      testState.sessionStorePath = undefined;
+      await fs.rm(dir, { recursive: true, force: true });
+    }
+  });
+
   test("agent events include sessionKey and agent.wait covers lifecycle flows", async () => {
     const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-gw-"));
     testState.sessionStorePath = path.join(dir, "sessions.json");