feat: meaningful labels by status

frontend/src/lib/graph/nodeRegistry.ts

@@ -5,6 +5,7 @@
  */
 
 import type React from 'react'
+import type { ConnectionStatus } from './connectionStatus'
 import { registerSourceRenderingLogic } from './sourceRenderingLogic'
 import type { SourceRenderingLogic } from './sourceRenderingLogic'
 
@@ -44,8 +45,8 @@ export type NodeTypeDescriptor = {
   getDefaultData?: (newId?: string) => Record<string, unknown>
   /** Optional: data for Reset action; if omitted, getDefaultData(nodeId) or defaultData is used. */
   getResetData?: (nodeId?: string) => Record<string, unknown>
-  /** Optional: label shown on edge when this type is the target (e.g. "render", "add input"). */
-  connectionLabel?: string
+  /** Optional: label per connection status shown on edge when this type is the target. */
+  connectionLabelByStatus?: Partial<Record<ConnectionStatus, string>>
   /** When true, double-clicking the node header opens a fullscreen dialog for this node. */
   supportsFullscreen?: boolean
   /**
@@ -157,9 +158,21 @@ export function isConnectionAllowed(
   return true
 }
 
-/** Edge label when target is of this type (for AnimatedEdge). */
+/** Edge label when target is of this type (default status only; for edge data fallback). */
 export function getConnectionLabelForTarget(targetType: string): string | undefined {
-  return getNodeType(targetType)?.connectionLabel
+  return getNodeType(targetType)?.connectionLabelByStatus?.['default']
+}
+
+/** Edge label for target type and connection status; falls back to default when status not in map. */
+export function getConnectionLabelForTargetAndStatus(
+  targetType: string,
+  status: ConnectionStatus
+): string | undefined {
+  const desc = getNodeType(targetType)
+  if (!desc?.connectionLabelByStatus) return undefined
+  const byStatus = desc.connectionLabelByStatus[status]
+  if (byStatus !== undefined) return byStatus
+  return desc.connectionLabelByStatus['default']
 }
 
 /** Help entry for a node type. Use in NodeHelpPopover. */

frontend/src/lib/graph/nodeTypeBuilder.ts

@@ -14,6 +14,7 @@
  */
 
 import type React from 'react'
+import type { ConnectionStatus } from './connectionStatus'
 import type { NodeTypeDescriptor, NodeClassification, NodeHelpEntry } from './nodeRegistry'
 import type { SourceRenderingLogic } from './sourceRenderingLogic'
 
@@ -97,8 +98,8 @@ export class NodeTypeBuilder {
     return this
   }
 
-  connectionLabel(label: string): this {
-    this.partial.connectionLabel = label
+  connectionLabelByStatus(partial: Partial<Record<ConnectionStatus, string>>): this {
+    this.partial.connectionLabelByStatus = partial
     return this
   }