feat(desktop): /journey opens the memory graph overlay instead of printing text

apps/desktop/src/app/desktop-controller.tsx

@@ -191,6 +191,7 @@ export function DesktopController() {
     currentView,
     openAgents,
     openCommandCenterSection,
+    openStarmap,
     profilesOpen,
     settingsOpen,
     starmapOpen,
@@ -739,6 +740,7 @@ export function DesktopController() {
     busyRef,
     createBackendSessionForSend,
     handleSkinCommand,
+    openMemoryGraph: openStarmap,
     refreshSessions,
     requestGateway,
     resumeStoredSession: resumeSession,

apps/desktop/src/app/session/hooks/use-prompt-actions/index.test.tsx

@@ -54,6 +54,7 @@ function Harness({
   busyRef,
   onReady,
   onSeedState,
+  openMemoryGraph,
   refreshSessions,
   requestGateway,
   resumeStoredSession,
@@ -63,6 +64,7 @@ function Harness({
   busyRef?: MutableRefObject<boolean>
   onReady: (handle: HarnessHandle) => void
   onSeedState?: (state: Record<string, unknown>) => void
+  openMemoryGraph?: () => void
   refreshSessions: () => Promise<void>
   requestGateway: <T>(method: string, params?: Record<string, unknown>) => Promise<T>
   resumeStoredSession?: (storedSessionId: string) => Promise<void> | void
@@ -91,6 +93,7 @@ function Harness({
     busyRef: localBusyRef,
     createBackendSessionForSend: async () => RUNTIME_SESSION_ID,
     handleSkinCommand: () => '',
+    openMemoryGraph: openMemoryGraph ?? (() => undefined),
     refreshSessions,
     requestGateway,
     resumeStoredSession: resumeStoredSession ?? (() => undefined),
@@ -369,6 +372,29 @@ describe('usePromptActions desktop slash pickers', () => {
     expect(requestGateway).not.toHaveBeenCalledWith('slash.exec', expect.anything())
   })
 
+  it('opens the memory graph overlay for /journey and its aliases instead of hitting the backend', async () => {
+    const openMemoryGraph = vi.fn()
+    const requestGateway = vi.fn(async () => ({}) as never)
+
+    let handle: HarnessHandle | null = null
+    render(
+      <Harness
+        onReady={h => (handle = h)}
+        openMemoryGraph={openMemoryGraph}
+        refreshSessions={async () => undefined}
+        requestGateway={requestGateway}
+      />
+    )
+
+    await handle!.submitText('/journey')
+    await handle!.submitText('/memory-graph')
+    await handle!.submitText('/learning')
+
+    expect(openMemoryGraph).toHaveBeenCalledTimes(3)
+    expect(requestGateway).not.toHaveBeenCalledWith('slash.exec', expect.anything())
+    expect(requestGateway).not.toHaveBeenCalledWith('command.dispatch', expect.anything())
+  })
+
   it('marks a timed-out handoff as failed so the next attempt can retry', async () => {
     vi.useFakeTimers()
     const calls: { method: string; params?: Record<string, unknown> }[] = []

apps/desktop/src/app/session/hooks/use-prompt-actions/index.ts

@@ -2,7 +2,7 @@ import type { AppendMessage, ThreadMessage } from '@assistant-ui/react'
 import { useStore } from '@nanostores/react'
 import { type MutableRefObject, useCallback, useEffect, useRef } from 'react'
 
-import { transcribeAudio, PROMPT_SUBMIT_REQUEST_TIMEOUT_MS } from '@/hermes'
+import { PROMPT_SUBMIT_REQUEST_TIMEOUT_MS, transcribeAudio } from '@/hermes'
 import { useI18n } from '@/i18n'
 import { stripAnsi } from '@/lib/ansi'
 import { branchGroupForUser, type ChatMessage, chatMessageText, textPart } from '@/lib/chat-messages'
@@ -158,6 +158,7 @@ interface PromptActionsOptions {
   branchCurrentSession: () => Promise<boolean>
   createBackendSessionForSend: (preview?: string | null) => Promise<string | null>
   handleSkinCommand: (arg: string) => string
+  openMemoryGraph: () => void
   refreshSessions: () => Promise<void>
   requestGateway: <T>(method: string, params?: Record<string, unknown>, timeoutMs?: number) => Promise<T>
   resumeStoredSession: (storedSessionId: string) => Promise<void> | void
@@ -185,6 +186,7 @@ export function usePromptActions({
   branchCurrentSession,
   createBackendSessionForSend,
   handleSkinCommand,
+  openMemoryGraph,
   refreshSessions,
   requestGateway,
   resumeStoredSession,
@@ -447,6 +449,7 @@ export function usePromptActions({
     createBackendSessionForSend,
     handleSkinCommand,
     handoffSession,
+    openMemoryGraph,
     refreshSessions,
     requestGateway,
     resumeStoredSession,

apps/desktop/src/app/session/hooks/use-prompt-actions/slash.ts

@@ -54,6 +54,7 @@ interface SlashCommandDeps {
     platform: string,
     options?: { onProgress?: (state: string) => void; sessionId?: string }
   ) => Promise<{ ok: boolean; error?: string }>
+  openMemoryGraph: () => void
   refreshSessions: () => Promise<void>
   requestGateway: GatewayRequest
   resumeStoredSession: (storedSessionId: string) => Promise<void> | void
@@ -75,6 +76,7 @@ export function useSlashCommand(deps: SlashCommandDeps) {
     createBackendSessionForSend,
     handleSkinCommand,
     handoffSession,
+    openMemoryGraph,
     refreshSessions,
     requestGateway,
     resumeStoredSession,
@@ -388,6 +390,13 @@ export function useSlashCommand(deps: SlashCommandDeps) {
             renderSlashOutput(`error: ${err instanceof Error ? err.message : String(err)}`)
           }
         },
+        // /journey (aliases /learning, /memory-graph) opens the memory graph
+        // overlay — the desktop's visual counterpart of the TUI journey
+        // timeline — instead of printing a text rendering into the transcript.
+        // Args are ignored, matching the TUI overlay behavior.
+        journey: async () => {
+          openMemoryGraph()
+        },
         // /hatch opens the pet generator overlay (the desktop's rich, multi-step
         // generate→pick→hatch→adopt flow). A typed description seeds the prompt
         // so `/hatch a cyber fox` lands on the composer step prefilled.
@@ -612,6 +621,7 @@ export function useSlashCommand(deps: SlashCommandDeps) {
       createBackendSessionForSend,
       handleSkinCommand,
       handoffSession,
+      openMemoryGraph,
       refreshSessions,
       requestGateway,
       resumeStoredSession,

apps/desktop/src/app/session/hooks/use-prompt-actions/submit.ts

@@ -1,7 +1,7 @@
 import { type MutableRefObject, useCallback } from 'react'
 
-import type { Translations } from '@/i18n'
 import { PROMPT_SUBMIT_REQUEST_TIMEOUT_MS } from '@/hermes'
+import type { Translations } from '@/i18n'
 import { type ChatMessage, textPart } from '@/lib/chat-messages'
 import { optimisticAttachmentRef } from '@/lib/chat-runtime'
 import { setMutableRef } from '@/lib/mutable-ref'

apps/desktop/src/lib/desktop-slash-commands.test.ts

@@ -73,6 +73,18 @@ describe('desktop slash command curation', () => {
     expect(resolveDesktopCommand('/browser')?.args).toBe(true)
   })
 
+  it('routes /journey (and aliases) to the memory graph overlay action', () => {
+    expect(resolveDesktopCommand('/journey')?.surface).toEqual({ kind: 'action', action: 'journey' })
+    expect(resolveDesktopCommand('/memory-graph')?.surface).toEqual({ kind: 'action', action: 'journey' })
+    expect(resolveDesktopCommand('/learning')?.surface).toEqual({ kind: 'action', action: 'journey' })
+    expect(isDesktopSlashCommand('/journey')).toBe(true)
+    expect(isDesktopSlashCommand('/memory-graph')).toBe(true)
+    expect(isDesktopSlashSuggestion('/journey')).toBe(true)
+    // Aliases execute but stay out of the popover.
+    expect(isDesktopSlashSuggestion('/memory-graph')).toBe(false)
+    expect(desktopSlashUnavailableMessage('/journey')).toBeNull()
+  })
+
   it('allows aliases to execute without cluttering the popover', () => {
     expect(isDesktopSlashSuggestion('/reset')).toBe(false)
     expect(isDesktopSlashCommand('/reset')).toBe(true)

apps/desktop/src/lib/desktop-slash-commands.ts

@@ -34,6 +34,7 @@ export type DesktopActionId =
   | 'handoff'
   | 'hatch'
   | 'help'
+  | 'journey'
   | 'new'
   | 'pet'
   | 'profile'
@@ -122,6 +123,12 @@ const DESKTOP_COMMAND_SPECS: readonly DesktopCommandSpec[] = [
     surface: action('browser'),
     args: true
   },
+  {
+    name: '/journey',
+    description: 'Open the memory graph — skills + memories over time',
+    aliases: ['/learning', '/memory-graph'],
+    surface: action('journey')
+  },
 
   // Overlay pickers
   { name: '/model', description: 'Switch the model for this session', surface: picker('model'), hidden: true },