fix: Lint fixes of core, models and schemas

app/models/extraction.py

@@ -25,7 +25,8 @@ class Extraction(BaseModel, table=True):
     status: str = Field(nullable=False, default="pending")
     error: str | None = Field(default=None)
 
-    # constraints - only enforce uniqueness when both service and service_id are not null
+    # constraints - only enforce uniqueness when both service and service_id
+    # are not null
     __table_args__ = ()
 
     # relationships