Show only the knowledge base and content in the knowledge graph

The graph now represents the agent's Brain: its documents and the
content made from them. Work in progress, failed runs, research
suggestions and schedules are status, so they are left out.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/express/graph.test.ts

@@ -1,31 +1,30 @@
 import { describe, expect, it } from 'vitest'
 import type { Source } from '../api/engine'
 import { buildGraph, HEIGHT, WIDTH } from './graph'
-import type { FoundSource, Material } from './results'
+import type { Material } from './results'
-import type { Schedule } from './schedules'
 
-const doc = (docId: number, title: string) => ({ docId, title, originalName: `${title}.pdf` }) as Source
+const doc = (docId: number, title: string, status = 'completed') => ({ docId, title, originalName: `${title}.pdf`, status }) as Source
 const material = (id: number, status: Material['status'], sources: string[]) =>
   ({ id, agentId: 7, kind: 'summary', status, planTitle: `Lesson ${id}`, sources }) as Material
-const schedule = { agent: { id: 7, name: 'Express · 2 summary per week' } } as Schedule
 
 describe('buildGraph', () => {
   const data = {
-    docs: [doc(1, 'Onboarding'), doc(2, 'Safety')],
+    docs: [doc(1, 'Onboarding'), doc(2, 'Safety'), doc(3, 'Broken', 'failed')],
-    materials: [material(10, 'accepted', ['Onboarding.pdf', 'Safety']), material(11, 'generating', [])],
+    materials: [
-    sources: [{ id: 5, agentId: 7, title: 'Article', documentId: 2 } as FoundSource],
+      material(10, 'accepted', ['Onboarding.pdf', 'Safety']), material(11, 'generating', []),
-    schedules: [schedule],
+      material(12, 'failed', ['Safety']), material(13, 'ready', ['Safety']),
+    ],
   }
   const graph = buildGraph(data, c => c)
 
-  it('puts results in progress in their own cluster', () => {
+  it('holds only the knowledge base and the content made from it', () => {
-    expect(graph.nodes.find(n => n.id === 'mat-7-10')?.cluster).toBe('made')
+    expect(graph.nodes.filter(n => !n.hub).map(n => `${n.cluster}:${n.id}`).sort())
-    expect(graph.nodes.find(n => n.id === 'mat-7-11')?.cluster).toBe('working')
+      .toEqual(['made:mat-7-10', 'made:mat-7-13', 'sources:doc-1', 'sources:doc-2'])
   })
 
-  it('links results to their sources and schedule, and found sources to their document', () => {
+  it('links content to its sources', () => {
     const cross = graph.links.filter(l => !l.hub).map(l => `${l.source}>${l.target}`)
-    expect(cross).toEqual(expect.arrayContaining(['mat-7-10>doc-1', 'mat-7-10>doc-2', 'mat-7-10>agent-7', 'found-7-5>doc-2']))
+    expect(cross.sort()).toEqual(['mat-7-10>doc-1', 'mat-7-10>doc-2', 'mat-7-13>doc-2'])
   })
 
   it('lays out the same data the same way, inside the canvas', () => {

src/express/graph.ts

@@ -1,13 +1,13 @@
-// The Production knowledge graph: every Brain document, result, found source and schedule as a node,
+// The Production knowledge graph: what the agent's Brain holds, its knowledge base (the documents)
-// grouped around one hub per cluster and linked where the engine says they are related (a result's
+// and the content made from it, grouped around one hub per cluster and linked where a piece of
-// sources, the schedule that made it, the document a found source became). Laid out once with a
+// content names a document as its source. Work in progress, failed runs and schedules are status,
-// small seeded force simulation, so the same data always draws the same picture.
+// not knowledge, so they stay out. Laid out once with a small seeded force simulation, so the same
+// data always draws the same picture.
 import type { Source } from '../api/engine'
-import { isWorking, type FoundSource, type Material } from './results'
+import { isWorking, type Material } from './results'
-import type { Schedule } from './schedules'
 
-export type Cluster = 'sources' | 'made' | 'working' | 'research' | 'schedules'
+export type Cluster = 'sources' | 'made'
-export const CLUSTERS: Cluster[] = ['sources', 'made', 'working', 'research', 'schedules']
+export const CLUSTERS: Cluster[] = ['sources', 'made']
 
 export interface GraphNode {
   id: string
@@ -27,13 +27,16 @@ export const HEIGHT = 640
 
 // Where each cluster settles, around the middle of the canvas.
 const ANCHOR: Record<Cluster, [number, number]> = {
-  sources: [560, 360], made: [450, 430], working: [330, 300], research: [440, 200], schedules: [700, 230],
+  sources: [580, 320], made: [420, 320],
 }
 
 const norm = (s: string) => s.trim().toLowerCase()
 
+// Content still being made, failed or turned down is not part of the Brain.
+const inBrain = (m: Material) => !isWorking(m) && m.status !== 'failed' && m.status !== 'rejected'
+
 export function buildGraph(
-  { docs, materials, sources, schedules }: { docs: Source[]; materials: Material[]; sources: FoundSource[]; schedules: Schedule[] },
+  { docs, materials }: { docs: Source[]; materials: Material[] },
   hubLabel: (c: Cluster) => string,
 ): Graph {
   const nodes: GraphNode[] = CLUSTERS.map(c => ({ id: `hub-${c}`, cluster: c, label: hubLabel(c), hub: true, x: 0, y: 0 }))
@@ -46,30 +49,19 @@ export function buildGraph(
 
   // Results name their sources by title, so documents are found by title or file name.
   const docByName = new Map<string, string>()
-  for (const d of docs) {
+  for (const d of docs.filter(d => d.status !== 'failed' && d.knowledge !== 'failed')) {
     add(`doc-${d.docId}`, 'sources', d.title)
     docByName.set(norm(d.title), `doc-${d.docId}`)
     docByName.set(norm(d.originalName), `doc-${d.docId}`)
   }
-  for (const s of schedules) add(`agent-${s.agent.id}`, 'schedules', s.agent.name.split(' · ').slice(1).join(' · ') || s.agent.name)
+  for (const m of materials.filter(inBrain)) {
-  const agents = new Set(schedules.map(s => `agent-${s.agent.id}`))
-
-  for (const m of materials) {
     const id = `${m.kind === 'video' ? 'video' : 'mat'}-${m.agentId}-${m.id}`
-    add(id, isWorking(m) ? 'working' : 'made', m.planTitle ?? m.kind)
+    add(id, 'made', m.planTitle ?? m.kind)
-    if (agents.has(`agent-${m.agentId}`)) link(id, `agent-${m.agentId}`)
     for (const title of new Set(m.sources)) {
       const doc = docByName.get(norm(title))
       if (doc) link(id, doc)
     }
   }
-  for (const s of sources) {
-    const id = `found-${s.agentId}-${s.id}`
-    add(id, 'research', s.title)
-    if (agents.has(`agent-${s.agentId}`)) link(id, `agent-${s.agentId}`)
-    if (s.documentId != null && docs.some(d => d.docId === s.documentId)) link(id, `doc-${s.documentId}`)
-  }
-
   layout(nodes, links)
   return { nodes, links, width: WIDTH, height: HEIGHT }
 }

src/express/results.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { correctIndex, questionsOf, toMarkdown, withPlanItem, type Material } from './results'
+import { correctIndex, keepSettled, questionsOf, toMarkdown, withPlanItem, type Material } from './results'
 import { sentencesOf, scriptLang } from '../components/AudioPlayer'
 
 describe('correctIndex', () => {
@@ -65,3 +65,20 @@ describe('withPlanItem', () => {
     expect(withPlanItem('preparing', undefined)).toBe('preparing')
   })
 })
+
+describe('keepSettled', () => {
+  const ok = (v: number[]): PromiseSettledResult<number[]> => ({ status: 'fulfilled', value: v })
+  const bad = (message: string): PromiseSettledResult<number[]> => ({ status: 'rejected', reason: new Error(message) })
+
+  it('leaves out a schedule that failed', () => {
+    expect(keepSettled([ok([1, 2]), bad('404'), ok([3])])).toEqual([1, 2, 3])
+  })
+
+  it('fails when every schedule failed', () => {
+    expect(() => keepSettled([bad('500'), bad('502')])).toThrow('500')
+  })
+
+  it('is empty without schedules', () => {
+    expect(keepSettled([])).toEqual([])
+  })
+})

src/express/results.ts

@@ -172,14 +172,24 @@ async function sourcesOf({ agent, rule }: Schedule): Promise<FoundSource[]> {
   }))
 }
 
+// One schedule the engine cannot answer for (e.g. an archived agent) leaves its results out
+// instead of failing them all; only when every schedule fails is that an error.
+export function keepSettled<T>(results: PromiseSettledResult<T[]>[]): T[] {
+  const kept = results.flatMap(r => (r.status === 'fulfilled' ? r.value : []))
+  const failed = results.filter(r => r.status === 'rejected')
+  if (failed.length) console.warn(`${failed.length} of ${results.length} schedules could not be loaded`, failed.map(r => r.reason))
+  if (results.length && failed.length === results.length) throw failed[0].reason
+  return kept
+}
+
 export async function listResults(): Promise<{ materials: Material[]; sources: FoundSource[] }> {
   const schedules = await expressAgents({ archived: true })
   const [materials, sources] = await Promise.all([
-    Promise.all(schedules.filter(s => s.rule.type === 'content').map(materialsOf)),
+    Promise.allSettled(schedules.filter(s => s.rule.type === 'content').map(materialsOf)),
-    Promise.all(schedules.filter(s => s.rule.type === 'research').map(sourcesOf)),
+    Promise.allSettled(schedules.filter(s => s.rule.type === 'research').map(sourcesOf)),
   ])
   const newest = <T extends { createdAt: string }>(a: T, b: T) => b.createdAt.localeCompare(a.createdAt)
-  return { materials: materials.flat().sort(newest), sources: sources.flat().sort(newest) }
+  return { materials: keepSettled(materials).sort(newest), sources: keepSettled(sources).sort(newest) }
 }
 
 const draftContent = (m: Material, id: number) =>

src/i18n.ts

@@ -77,11 +77,8 @@ const en = {
   'prod.exitFullscreen': 'Exit full screen',
   'prod.loadingGraph': 'Drawing the knowledge graph…',
   'prod.graphLabel': 'Knowledge graph of {nodes} nodes',
-  'prod.hub.sources': 'Sources',
+  'prod.hub.sources': 'Knowledge base',
-  'prod.hub.made': 'Made',
+  'prod.hub.made': 'Content',
-  'prod.hub.working': 'In progress',
-  'prod.hub.research': 'Research',
-  'prod.hub.schedules': 'Repeats',
   'prod.nodes': 'Nodes',
   'prod.nodesSub': 'in this Brain',
   'prod.links': 'Links',
@@ -537,11 +534,8 @@ const id: Record<Key, string> = {
   'prod.exitFullscreen': 'Keluar layar penuh',
   'prod.loadingGraph': 'Menggambar knowledge graph…',
   'prod.graphLabel': 'Knowledge graph berisi {nodes} node',
-  'prod.hub.sources': 'Sumber',
+  'prod.hub.sources': 'Basis pengetahuan',
-  'prod.hub.made': 'Dibuat',
+  'prod.hub.made': 'Konten',
-  'prod.hub.working': 'Sedang dibuat',
-  'prod.hub.research': 'Riset',
-  'prod.hub.schedules': 'Berulang',
   'prod.nodes': 'Node',
   'prod.nodesSub': 'di Otak ini',
   'prod.links': 'Tautan',

src/pages/Instruction.tsx

@@ -3,7 +3,7 @@ import { Link } from 'react-router-dom'
 import { useQuery, useQueryClient } from '@tanstack/react-query'
 import { Icon, ruleIcon } from '../components/Icon'
 import { PageHead } from '../components/Page'
-import { BrainPanel, choosable, useDocuments } from './Brain'
+import { choosable, useDocuments } from './Brain'
 import {
   dayName, describeRule, kindLabel, KINDS, LANGUAGES, languageLabel, monthNote, videoCadence, weeklyTarget,
   type ContentKind, type ContentRule, type OutputLanguage, type ResearchRule, type Rule,
@@ -36,14 +36,7 @@ export function InstructionPage() {
   const [agent, setAgent] = useState<AgentState>(EMPTY)
   const [messages, setMessages] = useState<Message[]>([])
   const [saving, setSaving] = useState(false)
-  // Brain material the schedules are made from; none chosen means the whole Brain.
-  const [selected, setSelected] = useState<Set<number>>(new Set())
   const docs = useDocuments()
-  // A chosen document that was deleted, or failed since, no longer counts.
-  const chosenDocs = choosable(docs.data).filter(d => selected.has(d.docId))
-  const chosen = chosenDocs.map(d => d.docId)
-  // How the chat and the plan name the chosen material: by title when there is one.
-  const sources = chosenDocs.length === 1 ? `“${chosenDocs[0].title}”` : chosenDocs.length ? t('brainPanel.nChosen', { n: chosenDocs.length }) : null
   const [phase, setPhase] = useState<Phase>('idle')
   // The live question whose typing has finished, so its reply options can show.
   const [typedLive, setTypedLive] = useState('')
@@ -55,19 +48,16 @@ export function InstructionPage() {
   const later = (fn: () => void, ms: number) => { timers.current.push(window.setTimeout(fn, ms)) }
   useEffect(() => () => timers.current.forEach(clearTimeout), [])
 
-  // The agent sees the current choice, so ticking material in the Brain panel updates its question and plan.
+  const question = nextQuestion(agent)
-  const view: AgentState = { ...agent, sources }
-  const question = nextQuestion(view)
   const ready = agent.items.filter(i => canSchedule(i.rule))
-  // Without a choice the whole Brain is attached, so every ready document counts.
+  // The whole Brain is attached, so every ready document counts.
-  const sourceCount = chosen.length || choosable(docs.data).length
+  const tooFewSources = choosable(docs.data).length < MIN_PRODUCTION_SOURCES && ready.some(i => needsTwoSources(i.rule))
-  const tooFewSources = sourceCount < MIN_PRODUCTION_SOURCES && ready.some(i => needsTwoSources(i.rule))
   const hasContent = agent.items.some(i => i.rule.type === 'content')
   // The agent's current turn: its question, or what it is waiting for. It stays live, so an edit in the plan updates it.
   const live = inLang(lang, () => saving
     ? { text: t('agent.approving'), options: [] as string[] }
     : question
-      ? ask(question, view)
+      ? ask(question, agent)
       : agent.items.length
         ? {
             text: hasContent && agent.language
@@ -89,7 +79,7 @@ export function InstructionPage() {
     // A picked option is in the conversation's language already; typed text may switch it.
     const replyLang = live.options.includes(input) ? lang : chatLangOf(input) ?? lang
     setChatLang(replyLang)
-    const turn = inLang(replyLang, () => respond(view, input))
+    const turn = inLang(replyLang, () => respond(agent, input))
     // The question being answered is kept in the history, with the reply after it.
     setMessages(ms => [...ms, ...(live.text ? [{ role: 'agent' as const, text: live.text }] : []), { role: 'user', text: input.trim() }])
     setText('')
@@ -120,8 +110,8 @@ export function InstructionPage() {
     // One at a time so a failure (e.g. not an organization owner) is reported per schedule.
     for (const { id, rule } of items) {
       try {
-        await createSchedule(rule.type === 'content' ? { ...rule, language } : rule, chosen)
+        await createSchedule(rule.type === 'content' ? { ...rule, language } : rule)
-        done.push({ rule: rule.type === 'content' && chosen.length ? { ...rule, chosen: true } : rule, ok: true })
+        done.push({ rule, ok: true })
         created.add(id)
       } catch (e) {
         done.push({ rule, ok: false, message: (e as Error).message })
@@ -142,76 +132,73 @@ export function InstructionPage() {
     <>
       <PageHead title={t('ins.title')} description={t('ins.description')} />
 
-      <div className="unified-workspace">
+      <div className="ai-workspace">
-        <BrainPanel selected={selected} onSelect={setSelected} />
+        <div className="card agent-chat">
-        <div className="ai-column">
+          <div className="card-head">
-          <div className="card agent-chat">
+            <div className="assistant-title">
-            <div className="card-head">
+              <span><Icon name="spark" /></span>
-              <div className="assistant-title">
+              <div><h3>{t('agent.name')}</h3><small>{phase === 'thinking' ? t('agent.statusThinking') : t('agent.status')}</small></div>
-                <span><Icon name="spark" /></span>
-                <div><h3>{t('agent.name')}</h3><small>{phase === 'thinking' ? t('agent.statusThinking') : t('agent.status')}</small></div>
-              </div>
             </div>
-            <div className="ai-messages" aria-live="polite" ref={chat}>
-              {messages.map((m, i) => (
-                <Bubble key={i} message={m} lang={lang} onTyped={i === messages.length - 1 && phase === 'replying' ? replied : undefined} onType={scroll} />
-              ))}
-              {phase === 'thinking' && <Thinking lang={lang} />}
-              {phase === 'pausing' && <Typing />}
-              {idle && live.text && (
-                <Bubble key={live.text} message={{ role: 'agent', text: live.text, typed: true }} lang={lang} busy={saving}
-                  onTyped={() => setTypedLive(live.text)} onType={scroll} />
-              )}
-            </div>
-            {showOptions && (
-              <div className="prompt-chips appear">
-                {live.options.map((o, i) => (
-                  <button key={o} className={i === 0 && !question && agent.items.length ? 'primary' : undefined} onClick={() => send(o)}>{o}</button>
-                ))}
-              </div>
-            )}
-            <form id="ai-request-form" onSubmit={e => { e.preventDefault(); send(text) }}>
-              <label htmlFor="instruction" className="sr-only">{t('ins.label')}</label>
-              <textarea id="instruction" rows={2} value={text} placeholder={t('agent.placeholder')} disabled={saving}
-                onChange={e => setText(e.target.value)}
-                onKeyDown={e => { if (e.key === 'Enter' && !e.shiftKey && !e.nativeEvent.isComposing) { e.preventDefault(); send(text) } }} />
-              <div className="ai-compose-footer">
-                <small>{t('agent.hint')}</small>
-                <button className="btn primary" type="submit" disabled={!text.trim() || saving || !idle}><Icon name="arrow-right" />{t('agent.send')}</button>
-              </div>
-            </form>
           </div>
+          <div className="ai-messages" aria-live="polite" ref={chat}>
+            {messages.map((m, i) => (
+              <Bubble key={i} message={m} lang={lang} onTyped={i === messages.length - 1 && phase === 'replying' ? replied : undefined} onType={scroll} />
+            ))}
+            {phase === 'thinking' && <Thinking lang={lang} />}
+            {phase === 'pausing' && <Typing />}
+            {idle && live.text && (
+              <Bubble key={live.text} message={{ role: 'agent', text: live.text, typed: true }} lang={lang} busy={saving}
+                onTyped={() => setTypedLive(live.text)} onType={scroll} />
+            )}
+          </div>
+          {showOptions && (
+            <div className="prompt-chips appear">
+              {live.options.map((o, i) => (
+                <button key={o} className={i === 0 && !question && agent.items.length ? 'primary' : undefined} onClick={() => send(o)}>{o}</button>
+              ))}
+            </div>
+          )}
+          <form id="ai-request-form" onSubmit={e => { e.preventDefault(); send(text) }}>
+            <label htmlFor="instruction" className="sr-only">{t('ins.label')}</label>
+            <textarea id="instruction" rows={2} value={text} placeholder={t('agent.placeholder')} disabled={saving}
+              onChange={e => setText(e.target.value)}
+              onKeyDown={e => { if (e.key === 'Enter' && !e.shiftKey && !e.nativeEvent.isComposing) { e.preventDefault(); send(text) } }} />
+            <div className="ai-compose-footer">
+              <small>{t('agent.hint')}</small>
+              <button className="btn primary" type="submit" disabled={!text.trim() || saving || !idle}><Icon name="arrow-right" />{t('agent.send')}</button>
+            </div>
+          </form>
+        </div>
 
-          <div className="card">
+        <div className="card">
-            <div className="card-head"><h3>{t('ins.previewTitle')}</h3><span className="badge neutral">{t('ins.readyCount', { n: ready.length })}</span></div>
+          <div className="card-head"><h3>{t('ins.previewTitle')}</h3><span className="badge neutral">{t('ins.readyCount', { n: ready.length })}</span></div>
-            {agent.items.length === 0 && <div className="empty"><p>{t('agent.planEmpty')}</p></div>}
+          {agent.items.length === 0 && <div className="empty"><p>{t('agent.planEmpty')}</p></div>}
-            {hasContent && (
+          {hasContent && (
-              <label className="plan-language">
+            <label className="plan-language">
-                <span>{t('ins.language')}</span>
+              <span>{t('ins.language')}</span>
-                <select value={agent.language ?? ''} onChange={e => setAgent(s => ({ ...s, language: e.target.value as OutputLanguage }))}>
+              <select value={agent.language ?? ''} onChange={e => setAgent(s => ({ ...s, language: e.target.value as OutputLanguage }))}>
-                  {!agent.language && <option value="" disabled>{t('ins.languagePending')}</option>}
+                {!agent.language && <option value="" disabled>{t('ins.languagePending')}</option>}
-                  {LANGUAGES.map(l => <option key={l} value={l}>{languageLabel(l)}</option>)}
+                {LANGUAGES.map(l => <option key={l} value={l}>{languageLabel(l)}</option>)}
-                </select>
+              </select>
-              </label>
+            </label>
-            )}
+          )}
-            <div className="rule-list">
+          <div className="rule-list">
-              {agent.items.map(({ id, rule }) => (
+            {agent.items.map(({ id, rule }) => (
-                <RuleCard key={id} rule={rule} from={sources ?? undefined} onChange={p => setAgent(s => editRule(s, id, p))} onRemove={() => setAgent(s => removeRule(s, id))} />
+              <RuleCard key={id} rule={rule} onChange={p => setAgent(s => editRule(s, id, p))} onRemove={() => setAgent(s => removeRule(s, id))} />
-              ))}
+            ))}
-            </div>
-            {ready.length > 0 && (
-              <div className="rule-approve">
-                <small>
-                  <b className="rule-sources"><Icon name="brain" />{chosen.length ? t('ins.sourcesChosen', { n: chosen.length }) : t('ins.sourcesAll')}</b>
-                  {t('ins.approveNote')}
-                  {tooFewSources && <span className="error">{t(chosen.length ? 'ins.tooFewChosen' : 'ins.tooFewInBrain', { n: MIN_PRODUCTION_SOURCES })}</span>}
-                </small>
-                <button className="btn primary" disabled={saving || !idle || tooFewSources} onClick={() => approve()}>
-                  <Icon name="check" />{saving ? t('ins.approving') : t('ins.approve', { n: ready.length })}
-                </button>
-              </div>
-            )}
           </div>
+          {ready.length > 0 && (
+            <div className="rule-approve">
+              <small>
+                <b className="rule-sources"><Icon name="brain" />{t('ins.sourcesAll')}</b>
+                {t('ins.approveNote')}
+                {tooFewSources && <span className="error">{t('ins.tooFewInBrain', { n: MIN_PRODUCTION_SOURCES })}</span>}
+              </small>
+              <button className="btn primary" disabled={saving || !idle || tooFewSources} onClick={() => approve()}>
+                <Icon name="check" />{saving ? t('ins.approving') : t('ins.approve', { n: ready.length })}
+              </button>
+            </div>
+          )}
         </div>
       </div>
     </>

src/pages/Production.tsx

@@ -13,7 +13,7 @@ import { locale, t, type Key } from '../i18n'
 import { ContentCard, Preview } from './Results'
 
 const HUB_LABEL: Record<Cluster, Key> = {
-  sources: 'prod.hub.sources', made: 'prod.hub.made', working: 'prod.hub.working', research: 'prod.hub.research', schedules: 'prod.hub.schedules',
+  sources: 'prod.hub.sources', made: 'prod.hub.made',
 }
 
 // Uses the Fullscreen API on the whole stage (graph + panel); where it is missing (iPhone Safari)
@@ -67,10 +67,8 @@ export function ProductionPage() {
   // No LMS is connected yet: an approved SCORM module is the package that goes into one.
   const lms = materials.filter(m => m.status === 'accepted' && m.kind === 'scorm')
   const graph = useMemo(
-    () => (docs.data && results.data && schedules.data
+    () => (docs.data && results.data ? buildGraph({ docs: docs.data, materials: results.data.materials }, c => t(HUB_LABEL[c])) : null),
-      ? buildGraph({ docs: docs.data, materials: results.data.materials, sources: results.data.sources, schedules: schedules.data }, c => t(HUB_LABEL[c]))
+    [docs.data, results.data],
-      : null),
-    [docs.data, results.data, schedules.data],
   )
 
   const num = (n: number, ready: boolean, unit: Key) => (ready
@@ -92,7 +90,8 @@ export function ProductionPage() {
         </button>
         {graph
           ? <KnowledgeGraph graph={graph} />
-          : <div className="graph-loading" role="status">{docs.isError || results.isError ? t('brain.engineDown') : t('prod.loadingGraph')}</div>}
+          // The engine's own message: an unreachable engine says so, any other failure says what it was.
+          : <div className="graph-loading" role="status">{(docs.error ?? results.error)?.message ?? t('prod.loadingGraph')}</div>}
 
         <aside className="graph-panel">
           <div className="graph-stats">
@@ -296,7 +295,7 @@ function KnowledgeGraph({ graph }: { graph: Graph }) {
         </g>
         <g>
           {graph.nodes.map((n, i) => {
-            const r = n.hub ? 9 : n.cluster === 'schedules' ? 5.5 : 3.2 + Math.min(3, (degree.get(n.id) ?? 0) * 0.7)
+            const r = n.hub ? 9 : 3.2 + Math.min(3, (degree.get(n.id) ?? 0) * 0.7)
             return (
               <g key={n.id} ref={el => { nodeEls.current[i] = el }}
                 className={`graph-node c-${n.cluster}${n.hub ? ' hub' : ''}${neighbours && !neighbours.has(n.id) ? ' dim' : ''}${hover === n.id ? ' hover' : ''}${selected?.id === n.id ? ' sel' : ''}`}

src/styles/theme.css

@@ -304,7 +304,7 @@ dialog::backdrop{background:rgba(16,24,40,.45);backdrop-filter:blur(4px)}
 .live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:live-pulse 1.8s ease-out infinite;flex-shrink:0}
 @keyframes live-pulse{70%{box-shadow:0 0 0 8px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
 
-.graph-stage{--g-sources:#6ce9a6;--g-made:#fde272;--g-working:#c3b5fd;--g-research:#84caff;--g-schedules:#fdb022;
+.graph-stage{--g-sources:#6ce9a6;--g-made:#fde272;--g-working:#c3b5fd;
   position:relative;min-height:640px;border-radius:22px;overflow:hidden;color:#e4e7ec;
   background:radial-gradient(ellipse at 45% 50%,#0f2a4d 0%,#0a1628 55%,#060d1a 100%);box-shadow:0 24px 60px -28px rgba(16,24,40,.6)}
 .graph-svg{position:absolute;inset:0;width:calc(100% - 300px);height:100%;display:block}
@@ -341,9 +341,7 @@ dialog::backdrop{background:rgba(16,24,40,.45);backdrop-filter:blur(4px)}
 .graph-node text{fill:#fff;font-size:13px;font-weight:700;letter-spacing:.01em;text-anchor:middle;paint-order:stroke;stroke:#08142a;stroke-width:4px;stroke-linejoin:round;pointer-events:none}
 .graph-node:not(.hub) text{font-size:11.5px;font-weight:600;opacity:0;transform:translateY(4px);transition:opacity .2s,transform .2s}
 .graph-node:not(.hub):is(.hover,.sel) text{opacity:1;transform:none}
-.graph-node.c-working:not(.hub) .core{animation:node-pulse 1.6s ease-in-out infinite}
+.c-sources{--c:var(--g-sources)}.c-made{--c:var(--g-made)}
-@keyframes node-pulse{50%{opacity:.4}}
-.c-sources{--c:var(--g-sources)}.c-made{--c:var(--g-made)}.c-working{--c:var(--g-working)}.c-research{--c:var(--g-research)}.c-schedules{--c:var(--g-schedules)}
 
 .graph-note{position:absolute;top:16px;left:16px;z-index:2;display:flex;align-items:center;gap:8px;max-width:min(460px,calc(100% - 340px));
   padding:8px 14px;border-radius:999px;background:rgba(10,22,40,.8);border:1px solid rgba(255,255,255,.12);font-size:12.5px;backdrop-filter:blur(8px)}
@@ -354,7 +352,7 @@ dialog::backdrop{background:rgba(16,24,40,.45);backdrop-filter:blur(4px)}
 .graph-legend{position:absolute;left:16px;bottom:16px;z-index:2;display:flex;flex-wrap:wrap;gap:6px 14px;list-style:none;margin:0;padding:0;font-size:11.5px;color:#98a2b3}
 .graph-legend li{display:flex;align-items:center;gap:6px}
 .node-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c);box-shadow:0 0 6px var(--c);flex-shrink:0}
-.node-dot.sources{--c:var(--g-sources)}.node-dot.made{--c:var(--g-made)}.node-dot.working{--c:var(--g-working)}.node-dot.research{--c:var(--g-research)}.node-dot.schedules{--c:var(--g-schedules)}
+.node-dot.sources{--c:var(--g-sources)}.node-dot.made{--c:var(--g-made)}.node-dot.working{--c:var(--g-working)}
 
 .graph-panel{position:absolute;top:16px;right:16px;bottom:16px;width:284px;z-index:2;overflow:auto;padding:14px;border-radius:18px;
   background:rgba(10,22,40,.72);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px)}