diff --git a/custom_components/bahmcloud_store/__init__.py b/custom_components/bahmcloud_store/__init__.py
index 79efe02..d113512 100644
--- a/custom_components/bahmcloud_store/__init__.py
+++ b/custom_components/bahmcloud_store/__init__.py
@@ -5,11 +5,11 @@ from datetime import timedelta
 
 from homeassistant.core import HomeAssistant
 from homeassistant.const import Platform
-from homeassistant.helpers.event import async_track_time_interval
 from homeassistant.helpers.discovery import async_load_platform
+from homeassistant.helpers.event import async_track_time_interval
 from homeassistant.components.panel_custom import async_register_panel
 
-from .store import BahmcloudStore, StoreConfig, StoreError
+from .core import BCSCore, BCSConfig, BCSError
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -20,46 +20,48 @@ CONF_STORE_URL = "store_url"
 
 
 async def async_setup(hass: HomeAssistant, config: dict) -> bool:
+    # YAML-based config for now:
+    # bahmcloud_store:
+    #   store_url: "https://.../store.yaml"
     cfg = config.get(DOMAIN, {})
     store_url = cfg.get(CONF_STORE_URL, DEFAULT_STORE_URL)
 
-    store = BahmcloudStore(hass, StoreConfig(store_url=store_url))
-    hass.data[DOMAIN] = store
+    core = BCSCore(hass, BCSConfig(store_url=store_url))
+    hass.data[DOMAIN] = core
 
-    # HTTP Views (Panel static + JSON API)
-    await store.register_http_views()
+    # Register HTTP views (static panel assets + API)
+    await core.register_http_views()
 
-    # Sidebar Panel (Custom Panel + JS module)
+    # Register custom panel (no iframe; uses hass.callApi)
     await async_register_panel(
         hass,
         frontend_url_path="bahmcloud-store",
         webcomponent_name="bahmcloud-store-panel",
-        module_url="/api/bahmcloud_store_static/panel.js",
+        module_url="/api/bahmcloud_store_static/panel.js?v=1",
         sidebar_title="Bahmcloud Store",
         sidebar_icon="mdi:store",
         require_admin=True,
         config={},
     )
 
-    # Initialer Index-Load
+    # Initial refresh (index + custom repos)
     try:
-        await store.refresh()
-    except StoreError as e:
-        _LOGGER.error("Initial store refresh failed: %s", e)
+        await core.refresh()
+    except BCSError as e:
+        _LOGGER.error("Initial refresh failed: %s", e)
 
-    # Nur Liste + Latest-Versionen regelmäßig aktualisieren (keine Auto-Install)
+    # Periodic refresh (data only; no auto installs)
     async def periodic(_now) -> None:
         try:
-            await store.refresh()
-            store.signal_entities_updated()
-        except StoreError as e:
+            await core.refresh()
+            core.signal_updated()
+        except BCSError as e:
             _LOGGER.warning("Periodic refresh failed: %s", e)
 
-    # Falls store.yaml refresh_seconds enthält, nutze das, sonst 300s
-    interval_seconds = store.refresh_seconds if getattr(store, "refresh_seconds", None) else 300
-    async_track_time_interval(hass, periodic, timedelta(seconds=int(interval_seconds)))
+    interval = timedelta(seconds=int(core.refresh_seconds or 300))
+    async_track_time_interval(hass, periodic, interval)
 
-    # Update platform laden (damit Updates in Settings erscheinen)
+    # Update platform is a stub in 0.2.0 (keeps integration stable)
     await async_load_platform(hass, Platform.UPDATE, DOMAIN, {}, config)
 
     return True