Test: live v13 box answers USB commands

Capture from box 14:C1:9F:57:72:48 after flashing merged-binary-v13.bin: ping and wifi get replies, logs intact through the USB-Serial-JTAG driver.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_commands.py

@@ -160,3 +160,18 @@ def test_engine_treats_usb_wifi_restart_as_intentional_and_reads_replies():
     box = dict((t, x) for t, x, _ in r.box)
     assert "network 'Biuro'" in box["Wi-Fi config"] and "Wi-Fi connected (-60 dBm)" in box["Health"]
     assert any(m == "wifi_connected" and t is not None for m, _, t in r.milestones)
+
+
+def test_live_v13_box_answers_usb_commands():
+    # Real capture (2026-09-29): box 14:C1:9F:57:72:48 after flashing merged-binary-v13.bin App-only;
+    # the Wi-Fi tab's read flow sent "kota ping" and "kota wifi get".
+    from pathlib import Path
+
+    from kota_tech.core.logfile import read_log_file
+    e = DiagnosticsEngine()
+    for ln in read_log_file(Path(__file__).parent / "fixtures" / "live_boot_14C19F577248_v13_usb_console.txt"):
+        e.feed(ln)
+    r = e.report()
+    assert e.firmware.elf_sha.startswith("3ae273ec") and e.console_api == 1
+    assert dict((t, x) for t, x, _ in r.box)["Wi-Fi config"] == "no network on the SD card, mode matter"
+    assert not any(f.rule_id.startswith("other.") for f in e.findings.values())   # logs intact via the driver