fix: batch ha metadata and improve mobile dashboard

app/ha/client.py

@@ -22,6 +22,7 @@ logger = logging.getLogger(__name__)
 _ENTITY_ID_PATTERN = re.compile(r"^[a-z0-9_]+\.[a-z0-9_]+$")
 _SERVICE_PART_PATTERN = re.compile(r"^[a-z0-9_]+$")
 _MAX_HISTORY_SECONDS = 31 * 24 * 60 * 60
+_METADATA_BATCH_SIZE = 200
 
 
 @dataclass(frozen=True)
@@ -141,6 +142,17 @@ class HaClient:
             return {}
         if any(not _ENTITY_ID_PATTERN.fullmatch(entity_id) for entity_id in entity_ids):
             raise ValueError("entity_id enthält ein ungültiges Format.")
+        result: dict[str, dict[str, str | None]] = {}
+        for start in range(0, len(entity_ids), _METADATA_BATCH_SIZE):
+            result.update(
+                self._list_entity_metadata_batch(entity_ids[start:start + _METADATA_BATCH_SIZE])
+            )
+        return result
+
+    def _list_entity_metadata_batch(
+        self,
+        entity_ids: list[str],
+    ) -> dict[str, dict[str, str | None]]:
         template = _metadata_template(entity_ids)
         rendered = self._post_text("/api/template", {"template": template})
         try: