fix(web): reveal NFC peripherals after detection

src/cognitive_agent/application/extension_toy_publisher.py

@@ -167,6 +167,7 @@ class NfcExtensionToyPublisher:
             "active_catalog_revision": None,
             "active_extension_names": [],
             "active_target_scopes": [],
+            "detected_nfc_ids": [],
             "message_count": 0,
             "burst_frame_attempt_count": 0,
             "burst_publish_attempt_count": 0,
@@ -192,6 +193,7 @@ class NfcExtensionToyPublisher:
             active_catalog_revision=None,
             active_extension_names=[],
             active_target_scopes=[],
+            detected_nfc_ids=[],
             message_count=0,
             last_error=None,
         )
@@ -214,6 +216,7 @@ class NfcExtensionToyPublisher:
             active_catalog_revision=None,
             active_extension_names=[],
             active_target_scopes=[],
+            detected_nfc_ids=[],
             message_count=0,
         )
 
@@ -346,6 +349,14 @@ class NfcExtensionToyPublisher:
                 self._stop.wait(self.poll_interval_s)
                 continue
 
+            if card_uid:
+                with self._lock:
+                    detected_nfc_ids = list(self._status["detected_nfc_ids"])
+                if card_uid not in detected_nfc_ids:
+                    self._set_status(
+                        detected_nfc_ids=[*detected_nfc_ids, card_uid],
+                    )
+
             try:
                 catalog_revision = self._catalog_revision() if card_uid else ""
             except Exception as exc:  # noqa: BLE001 - retry while the card remains