Fix type errors in pipeline.py by adding required parameters to Node and Relationship

Author: oskarhane

src/neo4j_graphrag/experimental/pipeline/pipeline.py

@@ -23,7 +23,7 @@
 from neo4j_graphrag.utils.logging import prettify
 
 try:
-    from neo4j_viz import Node, Relationship, VisualizationGraph as NeoVizGraph
+    from neo4j_viz import Node, Relationship, VisualizationGraph as NeoVizGraph, CaptionAlignment
 
     HAS_NEO4J_VIZ = True
 except ImportError:
@@ -244,6 +244,11 @@ def get_neo4j_viz_graph(self, hide_unused_outputs: bool = True) -> NeoVizGraph:
                     caption=f"{node.component.__class__.__name__}: {n}({comp_inputs})",
                     size=20,  # Component nodes are larger
                     color="#4C8BF5",  # Blue for component nodes
+                    caption_align=CaptionAlignment.CENTER,
+                    caption_size=12,
+                    pinned=False,
+                    x=0,
+                    y=0
                 )
             )
             node_counter += 1
@@ -258,12 +263,20 @@ def get_neo4j_viz_graph(self, hide_unused_outputs: bool = True) -> NeoVizGraph:
                         caption=o,
                         size=10,  # Output nodes are smaller
                         color="#34A853",  # Green for output nodes
+                        caption_align=CaptionAlignment.CENTER,
+                        caption_size=10,
+                        pinned=False,
+                        x=0,
+                        y=0
                     )
                 )
                 # Connect component to its output
                 relationships.append(
                     Relationship(
-                        source=node_ids[n], target=node_ids[param_node_name], caption=""
+                        source=node_ids[n], target=node_ids[param_node_name], caption="",
+                        caption_align=CaptionAlignment.CENTER,
+                        caption_size=10,
+                        color="#000000"
                     )
                 )
                 node_counter += 1
@@ -285,6 +298,8 @@ def get_neo4j_viz_graph(self, hide_unused_outputs: bool = True) -> NeoVizGraph:
                             target=node_ids[component_name],
                             caption=param,
                             color="#EA4335",  # Red for parameter connections
+                            caption_align=CaptionAlignment.CENTER,
+                            caption_size=10
                         )
                     )