fix(web): reveal NFC peripherals after detection

tests/e2e/test_seat_web_api.py

@@ -1024,7 +1024,7 @@ operations:
         ) as response:
             speech_worklet = response.read().decode("utf-8")
         with self.opener.open(
-            f"{self.base_url}/self-extension.js?v=nfc-persistent-57", timeout=3
+            f"{self.base_url}/self-extension.js?v=nfc-session-58", timeout=3
         ) as response:
             extension_script = response.read().decode("utf-8")
         with self.opener.open(
@@ -1105,7 +1105,7 @@ operations:
         self.assertIn('id="v2BootScreen"', template)
         self.assertIn('正在加载车机控制与实时状态', template)
         self.assertIn(
-            f'src="{runtime_url("self-extension.js", "/self-extension.js?v=nfc-persistent-57")}"',
+            f'src="{runtime_url("self-extension.js", "/self-extension.js?v=nfc-session-58")}"',
             html,
         )
         self.assertIn('import "../self-extension.css";', vite_entry)

tests/unit/test_extension_toy_publisher.py

@@ -143,6 +143,7 @@ def test_each_detection_publishes_three_frames_per_device_and_then_stops() -> No
 
         nfc["card"] = None
         assert wait_until(lambda: service.snapshot()["state"] == "waiting_for_nfc")
+        assert service.snapshot()["detected_nfc_ids"] == ["E113B203"]
         nfc["card"] = {"action": "present", "uid": "E113B203"}
         assert wait_until(lambda: len(publications) == 12)
         assert service.snapshot()["state"] == "burst_complete"
@@ -150,6 +151,29 @@ def test_each_detection_publishes_three_frames_per_device_and_then_stops() -> No
         service.close()
 
 
+def test_detected_devices_remain_latched_until_publisher_stops() -> None:
+    nfc: dict[str, Any] = {"card": {"action": "present", "uid": "E113B203"}}
+    service = NfcExtensionToyPublisher(
+        nfc_provider=lambda: nfc,
+        catalog_provider=lambda: [capability("light-on")],
+        publisher=lambda _payload: {"delivery_status": "queued"},
+        burst_window_s=0.03,
+        poll_interval_s=0.005,
+    )
+    service.start()
+    try:
+        assert wait_until(
+            lambda: service.snapshot()["detected_nfc_ids"] == ["E113B203"]
+        )
+        nfc["card"] = None
+        assert wait_until(lambda: service.snapshot()["state"] == "waiting_for_nfc")
+        assert service.snapshot()["detected_nfc_ids"] == ["E113B203"]
+    finally:
+        service.close()
+
+    assert service.snapshot()["detected_nfc_ids"] == []
+
+
 def test_no_matching_ability_publishes_nothing() -> None:
     nfc = {"card": {"action": "present", "uid": "E113B203"}}
     publications: list[dict[str, Any]] = []
@@ -168,6 +192,7 @@ def test_no_matching_ability_publishes_nothing() -> None:
         assert wait_until(
             lambda: service.snapshot()["state"] == "no_matching_extension"
         )
+        assert service.snapshot()["detected_nfc_ids"] == ["E113B203"]
         time.sleep(0.05)
         assert publications == []
     finally:

tests/unit/test_frontend_performance_contract.py

@@ -94,7 +94,7 @@ def test_performance_assets_have_a_new_cache_generation() -> None:
     for asset in (
         "/app.js?v=dual-seat-147-video-media",
         "/console-v2.js?v=local-first-79-cinema-status",
-        "/self-extension.js?v=nfc-persistent-57",
+        "/self-extension.js?v=nfc-session-58",
         "/energy-monitor.js?v=energy-monitor-5-performance",
     ):
         assert asset in html

tests/unit/test_nfc_frontend_contract.py

@@ -65,15 +65,15 @@ def test_unified_console_exposes_device_id_based_nfc_authorization() -> None:
     assert 'async function hydratePeripheralCatalog()' in script
     assert 'api("peripherals")' in script
     assert 'signalSource: "backend_catalog"' in script
-    assert '当前没有已绑定外设' in script
-    assert '外设绑定 NFC 后将持续显示，解除绑定后移除' in script
+    assert '等待 NFC 外设靠近' in script
+    assert '检测到已绑定的 NFC 后，外设将在本次运行期间持续显示' in script
 
     assert '.v2-nfc-inline' in styles
     assert '.v2-nfc-dialog' in styles
     assert '.v2-nfc-command-list' in styles
     assert '.v2-nfc-command-option' in styles
     assert '.v2-nfc-select-all' in styles
-    assert 'self-extension.js?v=nfc-persistent-57' in html
+    assert 'self-extension.js?v=nfc-session-58' in html
     assert 'import "../self-extension.css";' in vite_entry
 
 

tests/unit/test_self_extension_nfc_sync_contract.py

@@ -102,3 +102,17 @@ def test_device_card_surfaces_extension_toy_mqtt_delivery() -> None:
     assert "extensionToySnapshot.last_error" in apply_toy
     assert "applyExtensionToySnapshot(value.extension_toy" in apply_nfc
     assert "正在准备 extension/toy 消息" in apply_nfc
+
+
+def test_homepage_only_reveals_nfc_devices_detected_in_this_run() -> None:
+    source = SOURCE_PATH.read_text(encoding="utf-8")
+    unified = _function_source(
+        source,
+        "  function buildUnifiedExtensionSync() {",
+        "\n  function init()",
+    )
+
+    assert "detected_nfc_ids" in source
+    assert "const detectedNfcIds = new Set(" in unified
+    assert "detectedNfcIds.has(normalizeCardUid(device.cardUid))" in unified
+    assert "检测到已绑定的 NFC 后，外设将在本次运行期间持续显示" in unified