Fix cognify endpoint (#1105)

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## Description
Have cognify run in background

## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin.

cognee/api/v1/cognify/cognify.py

@@ -237,8 +237,12 @@ async def run_cognify_as_background_process(
     graph_db_config: dict = None,
     vector_db_config: dict = False,
 ):
+    # Convert dataset to list if it's a string
+    if isinstance(datasets, str):
+        datasets = [datasets]
+
     # Store pipeline status for all pipelines
-    pipeline_run_started_info = []
+    pipeline_run_started_info = {}
 
     async def handle_rest_of_the_run(pipeline_list):
         # Execute all provided pipelines one by one to avoid database write conflicts
@@ -269,7 +273,14 @@ async def run_cognify_as_background_process(
         )
 
         # Save dataset Pipeline run started info
-        pipeline_run_started_info.append(await anext(pipeline_run))
+        run_info = await anext(pipeline_run)
+        pipeline_run_started_info[run_info.dataset_id] = run_info
+
+        if pipeline_run_started_info[run_info.dataset_id].payload:
+            # Remove payload info to avoid serialization
+            # TODO: Handle payload serialization
+            pipeline_run_started_info[run_info.dataset_id].payload = []
+
         pipeline_list.append(pipeline_run)
 
     # Send all started pipelines to execute one by one in background

cognee/api/v1/cognify/routers/get_cognify_router.py

@@ -32,7 +32,6 @@ logger = get_logger("api.cognify")
 class CognifyPayloadDTO(InDTO):
     datasets: Optional[List[str]] = None
     dataset_ids: Optional[List[UUID]] = None
-    graph_model: Optional[BaseModel] = KnowledgeGraph
     run_in_background: Optional[bool] = False
 
 
@@ -96,7 +95,7 @@ def get_cognify_router() -> APIRouter:
             datasets = payload.dataset_ids if payload.dataset_ids else payload.datasets
 
             cognify_run = await cognee_cognify(
-                datasets, user, payload.graph_model, run_in_background=payload.run_in_background
+                datasets, user, run_in_background=payload.run_in_background
             )
 
             return cognify_run