Merge remote-tracking branch 'origin/main' into make-clear-what-implemented-or-not

# Conflicts:
#	lightrag/base.py
#	lightrag/kg/json_doc_status_impl.py
#	lightrag/kg/mongo_impl.py
#	lightrag/kg/postgres_impl.py

lightrag/kg/mongo_impl.py

@@ -185,7 +185,7 @@ class MongoDocStatusStorage(DocStatusStorage):
     async def get_docs_by_status(
         self, status: DocStatus
     ) -> dict[str, DocProcessingStatus]:
-        """Get all documents by status"""
+        """Get all documents with a specific status"""
         cursor = self._data.find({"status": status.value})
         result = await cursor.to_list()
         return {