feat: artifacts

frontend/src/app/canvas/CanvasPage.tsx

@@ -76,12 +76,60 @@ const snapToGrid = (x: number, y: number): { x: number; y: number } => ({
   y: Math.round(y / SNAP_GRID[1]) * SNAP_GRID[1],
 })
 
-function FlowFitViewOnLoad() {
+function FlowFitViewOnLoad({ disabled }: { disabled?: boolean }) {
   const nodesInitialized = useNodesInitialized()
   const { fitView } = useReactFlow()
   React.useEffect(() => {
-    if (nodesInitialized) fitView?.({ duration: 200 })
+    if (disabled || !nodesInitialized) return
-  }, [nodesInitialized, fitView])
+    fitView?.({ duration: 200 })
+  }, [disabled, nodesInitialized, fitView])
+  return null
+}
+
+function FocusNodeOnLoad({ focusNodeId }: { focusNodeId?: string }) {
+  const nodesInitialized = useNodesInitialized()
+  const { getNodes, setCenter, screenToFlowPosition, project } = useReactFlow()
+
+  React.useEffect(() => {
+    if (!focusNodeId || !nodesInitialized) return
+    // Small delay so node DOM and layout are fully ready before centering/zooming.
+    const timer = setTimeout(() => {
+      const nodes = getNodes()
+      const node = nodes.find((n) => n.id === focusNodeId)
+      if (!node) return
+
+      const el = document.querySelector(
+        `.react-flow__node[data-id="${focusNodeId}"]`
+      ) as HTMLElement | null
+
+      if (el) {
+        const rect = el.getBoundingClientRect()
+        const screenCenter = { x: rect.left + rect.width / 2, y: rect.top + rect.height / 2 }
+        const toFlow = screenToFlowPosition ?? project
+        if (toFlow) {
+          const flowCenter = toFlow(screenCenter)
+          setCenter(flowCenter.x, flowCenter.y, { duration: 400, zoom: 1.8 })
+          return
+        }
+      }
+
+      // Fallback: center using node position + dimensions from React Flow state.
+      const anyNode = node as Node & {
+        positionAbsolute?: { x: number; y: number }
+        width?: number
+        height?: number
+      }
+      const basePos = anyNode.positionAbsolute ?? anyNode.position ?? { x: 0, y: 0 }
+      const width = anyNode.width ?? 0
+      const height = anyNode.height ?? 0
+      const centerX = basePos.x + width / 2
+      const centerY = basePos.y + height / 2
+      setCenter(centerX, centerY, { duration: 400, zoom: 1.8 })
+    }, 150)
+
+    return () => clearTimeout(timer)
+  }, [focusNodeId, nodesInitialized, getNodes, setCenter, screenToFlowPosition, project])
+
   return null
 }
 
@@ -152,9 +200,11 @@ function FullscreenNodeContent({ node }: { node: AppNode }) {
 export type CanvasPageProps = {
   /** Optional recollection id for per-recollection graph loading */
   recollectionId?: string
+  /** Optional node id to focus when the canvas loads (e.g. from Katalogos artifacts). */
+  focusNodeId?: string
 }
 
-export function CanvasPage({ recollectionId }: CanvasPageProps) {
+export function CanvasPage({ recollectionId, focusNodeId }: CanvasPageProps) {
   const { theme } = useTheme()
   const { showMinimap } = usePlatform()
   const {
@@ -688,7 +738,8 @@ export function CanvasPage({ recollectionId }: CanvasPageProps) {
                   )}
                   <ReactFlowProvider initialNodes={nodes} initialEdges={edges} fitView>
                     <ViewportDisplayProvider>
-                      <FlowFitViewOnLoad />
+                      <FlowFitViewOnLoad disabled={Boolean(focusNodeId)} />
+                      <FocusNodeOnLoad focusNodeId={focusNodeId} />
                       <FlowKeyboardShortcuts />
                       <ReactFlow
                       className={isPanning ? 'react-flow--panning' : isSelecting ? 'react-flow--selecting' : undefined}

frontend/src/app/recollections/flux/FluxRoute.tsx

@@ -1,14 +1,16 @@
 /**
  * Flux route: renders the graph canvas (CanvasPage) for the current recollection.
+ * Supports optional focusNode query param to center on a specific node.
  */
 
 import React, { useEffect, useRef } from 'react'
-import { useParams } from 'react-router-dom'
+import { useParams, useSearchParams } from 'react-router-dom'
 import { CanvasPage } from '@/app/canvas/CanvasPage'
 import { usePlatform } from '@/app/kosmos/KosmosContext'
 
 export function FluxRoute() {
   const { recollectionId } = useParams<{ recollectionId: string }>()
+  const [searchParams] = useSearchParams()
   const { updateLastEdited } = usePlatform()
   const updateLastEditedRef = useRef(updateLastEdited)
   updateLastEditedRef.current = updateLastEdited
@@ -17,11 +19,13 @@ export function FluxRoute() {
     if (recollectionId) updateLastEditedRef.current(recollectionId)
   }, [recollectionId])
 
+  const focusNodeId = searchParams.get('focusNode') ?? undefined
+
   if (!recollectionId) return null
 
   return (
     <div className="flex h-full min-h-0 flex-1 flex-col overflow-hidden">
-      <CanvasPage key={recollectionId} recollectionId={recollectionId} />
+      <CanvasPage key={recollectionId} recollectionId={recollectionId} focusNodeId={focusNodeId} />
     </div>
   )
 }

frontend/src/app/recollections/katalogos/KatalogosPage.tsx

@@ -1,29 +1,125 @@
 /**
  * Katalogos page: third view for a recollection.
- * Simple placeholder layout, matching Logos/Flux flex and typography.
+ * Shows live \"Artifacts\" from Flux rendering nodes in a card grid.
  */
 
-import React from 'react'
+import React, { useMemo } from 'react'
-import { useParams } from 'react-router-dom'
+import { useNavigate, useParams } from 'react-router-dom'
 import { usePlatform } from '@/app/kosmos/KosmosContext'
+import { getRenderOutputCache, formatTimeSinceLastUpdate } from '../state/recollectionStore'
+import { Button } from '@/components/ui/button'
 
 export function KatalogosPage() {
   const { recollectionId } = useParams<{ recollectionId: string }>()
   const { recollections } = usePlatform()
+  const navigate = useNavigate()
 
   const recollection = recollectionId ? recollections.find((p) => p.id === recollectionId) : null
   const title = recollection?.name ?? 'Untitled'
 
+  const artifacts = useMemo(
+    () => (recollectionId ? getRenderOutputCache(recollectionId) : []),
+    [recollectionId]
+  )
+
+  const handleViewInFlux = (nodeId: string) => {
+    if (!recollectionId) return
+    navigate(`/recollections/${recollectionId}/flux?focusNode=${encodeURIComponent(nodeId)}`)
+  }
+
   return (
     <div className="flex h-full min-h-0 flex-1 flex-col overflow-auto bg-background">
-      <div className="mx-auto w-full max-w-3xl p-4">
+      <div className="mx-auto w-full max-w-5xl p-4">
         <h1 className="mb-2 truncate font-serif text-2xl font-semibold tracking-tight text-foreground">
           {title}
         </h1>
-        <p className="mb-6 text-sm text-muted-foreground">Katalogos</p>
+        <p className="mb-6 text-sm text-muted-foreground">
-        <div className="rounded-lg border border-dashed border-muted-foreground/30 bg-muted/10 p-4 text-sm text-muted-foreground">
+          Katalogos · Live artifacts produced by Flux rendering nodes for this recollection.
-          Katalogos view coming soon.
+        </p>
-        </div>
+        {artifacts.length === 0 ? (
+          <div className="rounded-lg border border-dashed border-muted-foreground/30 bg-muted/10 p-4 text-sm text-muted-foreground">
+            No artifacts yet. In Flux, run a graph with a rendering node; its output will be cached as an artifact and
+            appear here, as well as in Logos blocks that insert artifacts.
+          </div>
+        ) : (
+          <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-3">
+            {artifacts.map((artifact) => {
+              const label = artifact.label || artifact.nodeId
+              const isImage =
+                artifact.type === 'image' ||
+                Boolean(artifact.content?.trim() && /<svg[\\s>]/i.test(artifact.content.trim()))
+              const imageSrc =
+                isImage && artifact.content
+                  ? artifact.content.startsWith('data:')
+                    ? artifact.content
+                    : `data:image/svg+xml;utf8,${encodeURIComponent(artifact.content)}`
+                  : null
+
+              return (
+                <div
+                  key={artifact.nodeId}
+                  className="flex h-full flex-col rounded-lg border border-border bg-card text-card-foreground shadow-sm"
+                >
+                  <div className="flex items-center justify-between gap-2 border-b border-border/60 px-3 py-2">
+                    <div className="min-w-0">
+                      <p className="truncate text-sm font-medium">{label}</p>
+                      <p className="truncate text-xs text-muted-foreground">Node: {artifact.nodeId}</p>
+                    </div>
+                    <span className="inline-flex items-center gap-1 rounded-full bg-emerald-500/10 px-2 py-0.5 text-[11px] font-medium uppercase tracking-wide text-emerald-500">
+                      <span className="h-1.5 w-1.5 rounded-full bg-emerald-500" />
+                      Live
+                    </span>
+                  </div>
+                  <div className="flex flex-1 flex-col gap-2 px-3 py-3">
+                    {isImage && imageSrc ? (
+                      <div className="flex min-h-[120px] items-center justify-center overflow-hidden rounded-md border bg-muted">
+                        <img
+                          src={imageSrc}
+                          alt={label || 'Artifact image'}
+                          className="max-h-48 w-full max-w-full object-contain"
+                        />
+                      </div>
+                    ) : artifact.content ? (
+                      <div className="min-h-[120px] overflow-hidden rounded-md border border-border bg-background">
+                        <iframe
+                          title={label || 'Artifact HTML output'}
+                          srcDoc={artifact.content}
+                          className="h-40 w-full"
+                          sandbox="allow-same-origin"
+                        />
+                      </div>
+                    ) : (
+                      <div className="flex min-h-[80px] items-center justify-center rounded-md border border-dashed border-muted-foreground/40 bg-muted/40 px-3 text-xs text-muted-foreground">
+                        No preview available.
+                      </div>
+                    )}
+                  </div>
+                  <div className="flex flex-wrap items-center justify-between gap-2 border-t border-border/60 bg-card px-3 py-2">
+                    <div className="flex min-w-0 items-center gap-2">
+                      <p className="truncate text-xs text-muted-foreground">
+                        Type: <span className="font-medium">{artifact.type}</span>
+                      </p>
+                      {artifact.updatedAt != null && (
+                        <span className="text-[11px] text-muted-foreground">
+                          · {formatTimeSinceLastUpdate(artifact.updatedAt)}
+                        </span>
+                      )}
+                    </div>
+                    <Button
+                      type="button"
+                      variant="outline"
+                      size="xs"
+                      className="h-7 px-2 text-xs"
+                      onClick={() => handleViewInFlux(artifact.nodeId)}
+                    >
+                      View in Flux
+                    </Button>
+                  </div>
+                </div>
+              )
+            })}
+          </div>
+        )}
       </div>
     </div>
   )

frontend/src/app/recollections/layout/RecollectionMenubar.tsx

@@ -22,8 +22,8 @@ export function RecollectionMenubar() {
   ) : null
 
   return (
-    <div className="flex h-9 w-full shrink-0 items-center justify-between gap-2 overflow-visible border-b border-border/40 bg-background px-2">
+    <div className="relative flex h-9 w-full shrink-0 items-center gap-2 overflow-visible border-b border-border/40 bg-background px-2">
-      <div className="flex min-w-0 flex-1 items-center gap-2 overflow-hidden">
+      <div className="flex items-center gap-2">
         <Link
           to="/recollections"
           aria-label="Back to recollections"
@@ -31,12 +31,14 @@ export function RecollectionMenubar() {
         >
           <ArrowLeft className="size-4" />
         </Link>
-        <div className="flex min-w-0 shrink-0 items-center gap-1.5">
-          {titleContent ?? defaultTitle}
-        </div>
         <RecollectionViewSwitcher />
       </div>
-      <div className="flex shrink-0 items-center gap-2 pl-2">
+      <div className="pointer-events-none absolute left-1/2 top-1/2 flex min-w-0 -translate-x-1/2 -translate-y-1/2 items-center justify-center">
+        <div className="pointer-events-auto flex min-w-0 items-center gap-1.5">
+          {titleContent ?? defaultTitle}
+        </div>
+      </div>
+      <div className="ml-auto flex shrink-0 items-center gap-2 pl-2">
         <RecollectionFileMenu />
         <RecollectionEditViewMenus />
       </div>

frontend/src/app/recollections/logos/LogosPage.tsx

@@ -150,15 +150,15 @@ export function LogosPage() {
     async (query: string) => {
       const defaultItems = getDefaultReactSlashMenuItems(editor)
       const fluxItem = {
-        title: 'Insert from Flux',
+        title: 'Insert Artifact',
-        subtext: 'Insert output from a Flux rendering node',
+        subtext: 'Insert an Artifact produced by a Flux rendering node',
         icon: <FluxIcon className="size-4" />,
         onItemClick: () => {
           const pos = editor.getTextCursorPosition()
           editor.replaceBlocks([pos.block.id], [{ type: 'fluxOutput', props: {} }])
         },
-        aliases: ['flux', 'output', 'render'] as const,
+        aliases: ['artifact', 'flux', 'output', 'render'] as const,
-        group: 'Flux',
+        group: 'Artifacts',
       }
       const all = [...defaultItems, fluxItem]
       const q = query.trim().toLowerCase()

frontend/src/app/recollections/logos/blocks/fluxOutputBlock.tsx

@@ -1,15 +1,20 @@
 /**
- * BlockNote block "Flux output": insert output from Flux rendering nodes into Logos.
+ * BlockNote block "Flux output": insert Artifacts produced by Flux rendering nodes into Logos.
  * Empty state: placeholder + picker over getRenderOutputCache(recollectionId).
  * Filled state: when nodeId is set, display is live from the cache (updates when the rendering node changes in Flux);
  * otherwise or when cache entry is missing, show stored content (static).
+ * Shows live/static status and time since last update.
  */
 
 import React, { useCallback, useState } from 'react'
-import { useParams } from 'react-router-dom'
+import { useNavigate, useParams } from 'react-router-dom'
 import { createReactBlockSpec } from '@blocknote/react'
 import type { ReactCustomBlockRenderProps } from '@blocknote/react'
-import { getRenderOutputCache, type RenderOutputCacheEntry } from '../../state/recollectionStore'
+import {
+  getRenderOutputCache,
+  formatTimeSinceLastUpdate,
+  type RenderOutputCacheEntry,
+} from '../../state/recollectionStore'
 import { Button } from '@/components/ui/button'
 import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/popover'
 
@@ -39,6 +44,7 @@ function FluxOutputBlockContent({
   contentRef,
 }: ReactCustomBlockRenderProps<'fluxOutput', typeof fluxOutputBlockConfig.propSchema, 'none'>) {
   const { recollectionId } = useParams<{ recollectionId: string }>()
+  const navigate = useNavigate()
   const [pickerOpen, setPickerOpen] = useState(false)
   const nodeId = block.props.nodeId ?? ''
   const storedContent = block.props.content ?? ''
@@ -60,35 +66,47 @@ function FluxOutputBlockContent({
     [editor, block.id]
   )
 
-  const entries = recollectionId ? getRenderOutputCache(recollectionId) : []
+  const artifacts = recollectionId ? getRenderOutputCache(recollectionId) : []
 
   // Resolve display from cache when block is tied to a node (live); otherwise use stored props (static).
-  const liveEntry = nodeId && recollectionId ? entries.find((e) => e.nodeId === nodeId) : null
+  const liveEntry = nodeId && recollectionId ? artifacts.find((e) => e.nodeId === nodeId) : null
   const content = liveEntry ? liveEntry.content : storedContent
   const rawContentType = liveEntry ? liveEntry.type : storedContentType
   const label = liveEntry ? liveEntry.label : storedLabel
+  const isLive = Boolean(liveEntry)
+  const timeSince = liveEntry?.updatedAt != null ? formatTimeSinceLastUpdate(liveEntry.updatedAt) : ''
   // If content is SVG but type was stored as html, show as image (fixes incorrect cache or legacy data).
   const isSvgContent = Boolean(content?.trim() && /<svg[\s>]/i.test(content.trim()))
   const contentType = rawContentType === 'image' || isSvgContent ? 'image' : 'html'
 
+  const handleViewInFlux = useCallback(() => {
+    if (recollectionId && nodeId) {
+      navigate(`/recollections/${recollectionId}/flux?focusNode=${encodeURIComponent(nodeId)}`)
+    }
+  }, [recollectionId, nodeId, navigate])
+
   // Empty: show placeholder + picker when nothing inserted yet
   if (!content) {
     return (
-      <div ref={contentRef} className="min-h-[80px] rounded-md border border-dashed border-muted-foreground/30 bg-muted/30 p-4">
+      <div
+        ref={contentRef}
+        className="min-h-[80px] rounded-lg border border-dashed border-muted-foreground/30 bg-muted/20 p-4"
+      >
         <Popover open={pickerOpen} onOpenChange={setPickerOpen}>
           <PopoverTrigger asChild>
             <Button variant="outline" size="sm" className="gap-2">
-              Insert from Flux
+              Insert Artifact
             </Button>
           </PopoverTrigger>
           <PopoverContent className="w-80 p-0" align="start">
-            {entries.length === 0 ? (
+            {artifacts.length === 0 ? (
               <div className="p-4 text-sm text-muted-foreground">
-                No Flux outputs yet. In Flux, run a graph with a rendering node; its output will appear here automatically.
+                No Artifacts yet. In Flux, run a graph with a rendering node; its output will be cached as an Artifact
+                and appear here and in Katalogos automatically.
               </div>
             ) : (
               <ul className="max-h-64 overflow-auto py-2">
-                {entries.map((entry) => (
+                {artifacts.map((entry) => (
                   <li key={entry.nodeId}>
                     <button
                       type="button"
@@ -108,28 +126,70 @@ function FluxOutputBlockContent({
     )
   }
 
-  // Filled: show image or HTML
+  // Filled: card layout with header (label + live/static status + time) and content
+  const header = (
+    <div className="flex flex-wrap items-center justify-between gap-2 border-b border-border/60 bg-muted/30 px-3 py-1.5 rounded-t-lg">
+      <div className="flex min-w-0 items-center gap-2">
+        {label ? <span className="truncate text-xs font-medium text-foreground">{label}</span> : null}
+        <span
+          className={
+            isLive
+              ? 'inline-flex items-center gap-1 rounded-full bg-emerald-500/10 px-1.5 py-0.5 text-[10px] font-medium uppercase tracking-wide text-emerald-600 dark:text-emerald-400'
+              : 'inline-flex items-center gap-1 rounded-full bg-muted px-1.5 py-0.5 text-[10px] font-medium uppercase tracking-wide text-muted-foreground'
+          }
+        >
+          {isLive && <span className="h-1 w-1 shrink-0 rounded-full bg-emerald-500" aria-hidden />}
+          {isLive ? 'Live' : 'Static'}
+        </span>
+        {timeSince ? (
+          <span className="text-[10px] text-muted-foreground">{timeSince}</span>
+        ) : null}
+      </div>
+      {nodeId && recollectionId ? (
+        <Button
+          type="button"
+          variant="ghost"
+          size="sm"
+          className="h-6 px-2 text-[10px] text-muted-foreground hover:text-foreground"
+          onClick={handleViewInFlux}
+        >
+          View in Flux
+        </Button>
+      ) : null}
+    </div>
+  )
+
   if (contentType === 'image') {
     const src =
       content.startsWith('data:') ? content : `data:image/svg+xml;utf8,${encodeURIComponent(content)}`
     return (
-      <div ref={contentRef} className="min-h-[40px]">
+      <div
-        {label ? <p className="mb-1 text-xs text-muted-foreground">{label}</p> : null}
+        ref={contentRef}
-        <img src={src} alt={label || 'Flux output'} className="max-w-full rounded border object-contain" />
+        className="min-h-[40px] overflow-hidden rounded-lg border border-border bg-card text-card-foreground shadow-sm"
+      >
+        {header}
+        <div className="p-2">
+          <img src={src} alt={label || 'Artifact'} className="max-w-full rounded-md border border-border/60 object-contain" />
+        </div>
       </div>
     )
   }
 
   // HTML: render in iframe to limit script execution (XSS safety)
   return (
-    <div ref={contentRef} className="min-h-[40px]">
+    <div
-      {label ? <p className="mb-1 text-xs text-muted-foreground">{label}</p> : null}
+      ref={contentRef}
-      <iframe
+      className="min-h-[40px] overflow-hidden rounded-lg border border-border bg-card text-card-foreground shadow-sm"
-        title={label || 'Flux HTML output'}
+    >
-        srcDoc={content}
+      {header}
-        className="min-h-[120px] w-full rounded border border-border bg-background"
+      <div className="p-2">
-        sandbox="allow-same-origin"
+        <iframe
-      />
+          title={label || 'Artifact HTML'}
+          srcDoc={content}
+          className="min-h-[120px] w-full rounded-md border border-border/60 bg-background"
+          sandbox="allow-same-origin"
+        />
+      </div>
     </div>
   )
 }

frontend/src/app/recollections/state/recollectionStore.ts

@@ -16,6 +16,19 @@ export type RenderOutputCacheEntry = {
   label: string
   type: 'image' | 'html'
   content: string
+  /** Timestamp (ms) when this entry was last updated. */
+  updatedAt?: number
+}
+
+/** Returns a short "time since" string for display (e.g. "Just now", "2 min ago"). */
+export function formatTimeSinceLastUpdate(updatedAt: number | undefined): string {
+  if (updatedAt == null || typeof updatedAt !== 'number') return ''
+  const delta = Date.now() - updatedAt
+  if (delta < 15_000) return 'Just now'
+  if (delta < 60_000) return `${Math.round(delta / 1000)}s ago`
+  if (delta < 3600_000) return `${Math.round(delta / 60_000)} min ago`
+  if (delta < 86400_000) return `${Math.round(delta / 3600_000)}h ago`
+  return `${Math.round(delta / 86400_000)}d ago`
 }
 
 export const RECOLLECTION_FILE_EXT = '.zui.json'

frontend/src/components/nodes/render/useRenderingNodeState.ts

@@ -302,6 +302,7 @@ export function useRenderingNodeState(
                     label: id,
                     type: isSvgContent ? 'image' : 'html',
                     content: cached,
+                    updatedAt: Date.now(),
                 })
                 return
             }
@@ -366,6 +367,7 @@ export function useRenderingNodeState(
                     label: id,
                     type: cacheType,
                     content: htmlOrSvg ?? '',
+                    updatedAt: Date.now(),
                 })
                 const mode = outputModeRef.current
                 const cachedOutputValue =