From bb3ab0271e34e76db5461b16b7823f823eaf63e9 Mon Sep 17 00:00:00 2001
From: nexxeln <95541290+nexxeln@users.noreply.github.com>
Date: Tue, 2 Dec 2025 18:35:15 +0000
Subject: [PATCH] add support for merges relation in the graph (#590)

new relation called "merges"
we use orange dashed line to represent it
works just like how extends, updates, etc are displayed
---
 packages/memory-graph/src/components/graph-canvas.tsx | 3 ++-
 packages/memory-graph/src/components/legend.tsx       | 6 +++++-
 packages/memory-graph/src/constants.ts                | 1 +
 packages/memory-graph/src/types.ts                    | 2 +-
 packages/validation/schemas.ts                        | 2 +-
 5 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/packages/memory-graph/src/components/graph-canvas.tsx b/packages/memory-graph/src/components/graph-canvas.tsx
index 59efa74d..ae233a19 100644
--- a/packages/memory-graph/src/components/graph-canvas.tsx
+++ b/packages/memory-graph/src/components/graph-canvas.tsx
@@ -241,7 +241,8 @@ export const GraphCanvas = memo<GraphCanvasProps>(
 							connectionColor = colors.connection.medium;
 					} else if (edge.edgeType === "version") {
 						// Version chains: Double line effect with relation-specific colors
-						dashPattern = [];
+						// Special dashed pattern for "merges" relation
+						dashPattern = edge.relationType === "merges" ? [8, 4] : [];
 						connectionColor = edge.color || colors.relations.updates;
 						opacity = 0.8;
 						lineWidth = 2;
diff --git a/packages/memory-graph/src/components/legend.tsx b/packages/memory-graph/src/components/legend.tsx
index 16f588a9..b36c8ffe 100644
--- a/packages/memory-graph/src/components/legend.tsx
+++ b/packages/memory-graph/src/components/legend.tsx
@@ -229,11 +229,15 @@ export const Legend = memo(function Legend({
 												["updates", colors.relations.updates],
 												["extends", colors.relations.extends],
 												["derives", colors.relations.derives],
+												["merges", colors.relations.merges],
 											].map(([label, color]) => (
 												<div className={styles.legendItem} key={label}>
 													<div
 														className={styles.relationLine}
-														style={{ borderColor: color }}
+														style={{
+															borderColor: color,
+															borderStyle: label === "merges" ? "dashed" : "solid"
+														}}
 													/>
 													<span
 														className={styles.legendText}
diff --git a/packages/memory-graph/src/constants.ts b/packages/memory-graph/src/constants.ts
index 23193601..b93912e0 100644
--- a/packages/memory-graph/src/constants.ts
+++ b/packages/memory-graph/src/constants.ts
@@ -46,6 +46,7 @@ export const colors = {
 		updates: "rgba(147, 77, 253, 0.5)", // purple
 		extends: "rgba(16, 185, 129, 0.5)", // green
 		derives: "rgba(147, 197, 253, 0.5)", // blue
+		merges: "rgba(251, 165, 36, 0.5)", // orange
 	},
 };
 
diff --git a/packages/memory-graph/src/types.ts b/packages/memory-graph/src/types.ts
index 0a80df22..df783cb0 100644
--- a/packages/memory-graph/src/types.ts
+++ b/packages/memory-graph/src/types.ts
@@ -15,7 +15,7 @@ export interface GraphNode {
 	isDragging: boolean;
 }
 
-export type MemoryRelation = "updates" | "extends" | "derives";
+export type MemoryRelation = "updates" | "extends" | "derives" | "merges";
 
 export interface GraphEdge {
 	id: string;
diff --git a/packages/validation/schemas.ts b/packages/validation/schemas.ts
index 92524164..c07764cf 100644
--- a/packages/validation/schemas.ts
+++ b/packages/validation/schemas.ts
@@ -236,7 +236,7 @@ export const SpaceSchema = z.object({
 })
 export type Space = z.infer<typeof SpaceSchema>
 
-export const MemoryRelationEnum = z.enum(["updates", "extends", "derives"])
+export const MemoryRelationEnum = z.enum(["updates", "extends", "derives", "merges"])
 export type MemoryRelation = z.infer<typeof MemoryRelationEnum>
 
 export const MemoryEntrySchema = z.object({