feat: rendering for agents

frontend/src/lib/graph/flowContext.tsx

@@ -40,7 +40,7 @@ export type FlowContextValue = {
     connectionPathPausedSegmentNodeIds: Set<string>
     /** Path nodes not in the paused segment (downstream of pause). Only those edges are blue (updating). */
     connectionPathActiveSegmentNodeIds: Set<string>
-    /** Archon-type nodes that are on hold (e.g. Agent waiting for Run). */
+    /** Nodes that are on hold (e.g. Renderer in manual mode waiting for Run). */
     connectionPathPausedNodeIds: string[]
     /** Add this node as paused (on hold); remove when user continues. */
     addConnectionPathPausedNode: (nodeId: string) => void

frontend/src/lib/graph/graphPath.ts

@@ -92,7 +92,7 @@ export function getPathNodeIds(
 }
 
 /**
- * Path nodes from triggers up to and including the first paused node (Archon on hold).
+ * Path nodes from triggers up to and including the first paused node (e.g. Renderer waiting for Run).
  * Used to color those edges yellow; rest of path stays blue.
  */
 export function getPausedSegmentNodeIds(

frontend/src/lib/graph/nodeLifecycle.ts

@@ -8,10 +8,10 @@
  * - **Trigger** – Node's output changed (e.g. config content, variable value). Reported
  *   automatically when the node calls `updateData()` from useAbstractNode. Downstream
  *   path is computed from triggers + updating nodes.
- * - **Updating** – Node is doing async work (e.g. agent running, renderer loading).
+ * - **Updating** – Node is doing async work (e.g. renderer loading, agent run triggered by renderer).
  *   Report `updating: true` at start, `updating: false` when done. Incoming/outgoing
  *   edges on the path show "updating" (blue).
- * - **Paused** – Node is on hold (e.g. agent waiting for Run after inputs changed).
+ * - **Paused** – Node is on hold (e.g. renderer in manual mode waiting for Run after inputs changed).
  *   Report `paused: true` when waiting, `paused: false` when not. Edges in the paused
  *   segment show "paused" (yellow).
  * - **Error** – Node has an error to show. Report `error: true` when error is set,

frontend/src/lib/graph/sourceRenderingLogic.ts

@@ -16,6 +16,10 @@ export type SourceRenderingLogicContext = {
   renderNodeId: string
   viewportWidth?: number
   viewportHeight?: number
+  /** Optional: allows source logic to update other nodes (e.g. agent run updates agent node). */
+  setNodes?: (updater: (nodes: { id: string; type?: string; data?: unknown }[]) => { id: string; type?: string; data?: unknown }[]) => void
+  /** Optional: AI connection for agent source (used when Rendering node runs the agent). */
+  aiConnection?: unknown
 }
 
 /**