Fix iris setup: embed generated token in the pairing URL/QR

interactive_setup() generated a fresh IRIS_TOKEN and saved it to .env,
but the local `token` variable was never updated, so the pairing URL and
QR payload were built with an empty token (token=). The gateway accepted
the saved token, but the app never received it, so pairing was impossible.

Assign the generated value back to `token` so the pairing URL/QR carry it.
Add a regression test (test_interactive_setup_generates_token_in_pairing_url).

tests/test_android.py

@@ -3024,6 +3024,44 @@ def test_offer_device_removal_setup_flow(tmp_path, monkeypatch):
     _run([])  # any input() call would raise StopIteration → test fails
 
 
+def test_interactive_setup_generates_token_in_pairing_url(tmp_path, monkeypatch, capsys):
+    """interactive_setup: when no IRIS_TOKEN is set, the generated token is
+    saved AND embedded in the printed pairing URL (regression: the token was
+    generated but the local ``token`` stayed empty, so the pairing URL carried
+    ``token=`` and pairing was impossible)."""
+    plugin = _load_plugin()
+    monkeypatch.setenv("HERMES_HOME", str(tmp_path))
+
+    saved: dict[str, str] = {}
+    monkeypatch.setattr(
+        "hermes_cli.config.get_env_value",
+        lambda name: saved.get(name, ""),
+    )
+    monkeypatch.setattr(
+        "hermes_cli.config.save_env_value",
+        lambda name, value: saved.__setitem__(name, value),
+    )
+    # prompt returns the default (no interactive input needed).
+    monkeypatch.setattr(
+        "hermes_cli.cli_output.prompt",
+        lambda question, default="": default,
+    )
+    # Skip the device-removal / TLS sub-flows, LAN-IP discovery, and the
+    # terminal QR block.
+    monkeypatch.setattr(plugin.setup, "_offer_device_removal", lambda: None)
+    monkeypatch.setattr(plugin.setup, "_offer_tls_setup", lambda *a, **k: None)
+    monkeypatch.setattr(plugin.setup, "advertise_host", lambda host: "10.0.0.111")
+    monkeypatch.setattr(plugin.qr, "render_qr", lambda *a, **k: "")
+
+    plugin.setup.interactive_setup()
+
+    out = capsys.readouterr().out
+    token = saved.get("IRIS_TOKEN", "")
+    assert token, "IRIS_TOKEN was not saved"
+    # The pairing URL must carry the generated token (not an empty token=).
+    assert f"token={token}" in out, f"pairing URL missing the generated token:\n{out}"
+
+
 # ── TLS setup: self-signed cert generation (install.md Part 4, Option B) ──