implemented first reference workflows

src/umbreit/db.py

@@ -195,5 +195,7 @@ raw_data_query_schema_map: PolarsSchema = {
     "BEDP_MAN": pl.UInt8,
     "BEDP_MENGE_BEDARF_VM": pl.UInt32,
     "MELDENUMMER": pl.UInt8,
+    "VERLAGSNR": pl.UInt32,
     "MENGE_VORMERKER": pl.UInt32,
+    "MANDFUEHR": pl.UInt8,
 }

src/umbreit/types.py

@@ -21,8 +21,12 @@ class PipelineResult:
     results: pl.DataFrame
     open: pl.DataFrame
 
+    def __len__(self) -> int:
+        return len(self.results) + len(self.open)
+
 
 class Freigabe(enum.Enum):
     WF_100 = False
     WF_200 = False
+    WF_900 = False
     WF_910 = False