1 import { useCallback, useRef, useMemo, useState, useEffect } from 'react'
2 import { useUIStore } from '@/stores/ui-store'
3 import { useEvents } from '@/hooks/use-events'
4 import { useAgents } from '@/hooks/use-agents'
5 import { useSessions } from '@/hooks/use-sessions'
6 import { buildAgentColorMap, getAgentColorById } from '@/lib/agent-utils'
7 import { AgentLane } from './agent-lane'
8 import { Button } from '@/components/ui/button'
9 import { TooltipProvider } from '@/components/ui/tooltip'
10 import type { Agent, ParsedEvent } from '@/types'
11
12 export function ActivityTimeline() {
13 const {
14 selectedProjectId,
15 selectedSessionId,
16 selectedAgentIds,
17 timelineHeight,
18 timeRange,
19 setTimelineHeight,
20 setTimeRange,
21 } = useUIStore()
22
23 const { data: sessions } = useSessions(selectedProjectId)
24 const effectiveSessionId = selectedSessionId || sessions?.[0]?.id || null
25 const { data: events } = useEvents(effectiveSessionId)
26 const agents = useAgents(effectiveSessionId, events)
27 const resizing = useRef(false)
28 const startY = useRef(0)
29 const startHeight = useRef(0)
30
31 // Periodic cleanup tick: forces re-render so expired dots are removed from DOM.
32 // Also triggers when new events arrive.
33 const [, setCleanupTick] = useState(0)
34 useEffect(() => {
35 const id = setInterval(() => setCleanupTick((t) => t + 1), 5_000)
36 return () => clearInterval(id)
37 }, [])
38 const eventsLength = events?.length ?? 0
39 useEffect(() => {
40 setCleanupTick((t) => t + 1)
41 }, [eventsLength])
42
43 const flatAgents = useMemo(() => {
44 const mainAgents: { agent: Agent; isSubagent: boolean }[] = []
45 const nonMainAgents: { agent: Agent; isSubagent: boolean }[] = []
46 for (const a of agents) {
47 if (selectedAgentIds.length > 0 && !selectedAgentIds.includes(a.id)) continue
48 if (!a.parentAgentId) {
49 mainAgents.push({ agent: a,
…
1 import { useRef, useMemo, useCallback } from 'react'
2 import { cn } from '@/lib/utils'
3 import { getEventIcon, getEventColor } from '@/config/event-icons'
4 import { getEventSummary } from '@/lib/event-summary'
5 import { useUIStore } from '@/stores/ui-store'
6 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
7 import { AgentLabel } from '@/components/shared/agent-label'
8 import type { Agent, ParsedEvent } from '@/types'
9
10 // Renders event dots with CSS-driven drift animation.
11 // Each dot mounts at its current position and CSS-transitions to -5% (off-screen).
12 // On scale change, all dots are unmounted and remounted via a key change.
13 function DotContainer({
14 events,
15 rangeMs,
16 generation,
17 setScrollToEventId,
18 }: {
19 events: ParsedEvent[]
20 rangeMs: number
21 generation: number
22 setScrollToEventId: (id: number | null) => void
23 }) {
24 return (
25 <>
26 {events.map((event) => {
27 const age = Date.now() - event.timestamp
28 const position = 100 - (age / rangeMs) * 100
29 if (position < -10 || position > 100) return null
30
31 const remainingMs = Math.max(0, rangeMs - age)
32 const Icon = getEventIcon(event.subtype, event.toolName)
33 const { dotColor, customHex } = getEventColor(event.subtype, event.toolName)
34 const summary = getEventSummary(event)
35
36 return (
37 <Tooltip key={`${event.id}-${generation}`}>
38 <TooltipTrigger asChild>
39 <button
40 className="absolute top-1/2 -translate-y-1/2 -translate-x-1/2 cursor-pointer hover:scale-125"
41 style={{ left: `${position}%` }}
42 ref={(el) => {
43 if (!el) return
44 // Start drift: set position without transition, then animate to off-screen
45 requestAnimationFrame(() => {
46 el.style.transition = `lef
…
… Let me check a few more files to understand the data flow.
Perfect! I now have all the information needed. Let me provide you with a concise summary of the key findings. ## Key Findings for Timeline Bug ### ParsedEvent.timestamp - **Type**: `number` (line 48 in types/index.ts) - **Unit**: NOT explicitly documented in the type, but contextually appears to be **milliseconds** (standard JavaScript convention) - The interface shows it's a plain numeric timestamp with no unit specification ### useEvents Hook **Location**: `/Users/jessitron/code/simple10/agents-observe/app/client/src/hooks/use-events.ts` **How it works**: - Uses TanStack React Query for data fetching and caching - Query key: `['events', sessionId]` — so caching is per-session - Fetches via `api.getEvents(sessionId)` - **Caching behavior**: - `refetchInterval: false` — does NOT auto-refetch - `enabled: !!sessionId` — only fetches when sessionId is provided - React Query's default cache time applies (typically 5 minutes) - **No pagination or filtering logic** — it's a simple wrapper that fetches all events for a session ### ui-store timeRange Management **Location**: `/Users/jessitron/code/simple10/agents-observe/app/client/src/stores/ui-store.ts` **State definition** (lines 68-70): ```typescript timelineHeight: number timeRange: '1m' | '5m' | '10m' | '60m' setTimeRange: (range: '1m' | '5m' | '10m' | '60m') => void ``` **Key details**: - Default timeRange: `'5m'` (line 193) - Simple state setter with no logic — just stores the selected range string - **No timestamp calculations** happen in the store itself - The store is purely UI state management; actual time filtering must happen elsewhere (likely in the component that reads events and timeRange together) ## Timeline Bug Implications The issue is likely that: 1. Events are fetched once and cached (no re-fetch when timeRange changes) 2. The `timeRange` value is stored independently in UI state 3. The component displaying events must manually filter the cached events based on the current timeRange 4. …
… Let me check how events are fetched and how timestamps work.
Now let me create a final summary document with all the key findings:
## Timeline Event Flow - Complete Trace
I've traced the event flow from server to client. Here's the complete picture:
### 1. **useEvents Hook** (`/Users/jessitron/code/simple10/agents-observe/app/client/src/hooks/use-events.ts`)
- **Lines 4-11**: Simple wrapper around `api.getEvents(sessionId)`
- Uses `@tanstack/react-query` with queryKey `['events', sessionId]`
- No automatic refetch (`refetchInterval: false`)
### 2. **API Client** (`/Users/jessitron/code/simple10/agents-observe/app/client/src/lib/api-client.ts`)
- **Lines 22-44**: `api.getEvents()` method
- Endpoint: `GET /sessions/{sessionId}/events`
- Returns: `ParsedEvent[]`
- Supports filters: `agentIds`, `type`, `subtype`, `search`, `limit`, `offset`
- Parameters passed via URLSearchParams (query string)
### 3. **Server Events Route - GET Handler** (`/Users/jessitron/code/simple10/agents-observe/app/server/src/routes/sessions.ts`)
- **Lines 76-122**: `GET /sessions/:id/events`
- Calls `store.getEventsForSession(sessionId, filters)`
- Maps StoredEvent rows to ParsedEvent objects
- **KEY INSIGHT - Lines 90-101**: Transformation happens here:
```typescript
const events: ParsedEvent[] = rows.map((r) => ({
id: r.id,
agentId: r.agent_id,
sessionId: r.session_id,
type: r.type,
subtype: r.subtype,
toolName: r.tool_name,
toolUseId: r.tool_use_id || null,
status: r.status || 'pending',
timestamp: r.timestamp, // ← Direct pass-through from DB
payload: JSON.parse(r.payload), // ← Parsed JSON string to object
}))
```
- **Lines 104-119**: Lazy session status correction based on event history (no clearing)
### 4. **Server Events Route - POST Handler** (`/Users/jessitron/code/simple10/agents-observe/app/server/src/routes/events.ts`)
- **Lines 52-296**: `POST /events` - Receives raw event data
- **Line 87**: Parses raw event via `parseRawEvent(hookP
…
… Let me read the useEvents hook directly and think about the timing more carefully.
1 import { useQuery } from '@tanstack/react-query'
2 import { api } from '@/lib/api-client'
3
4 export function useEvents(sessionId: string | null) {
5 return useQuery({
6 queryKey: ['events', sessionId],
7 queryFn: () => api.getEvents(sessionId!),
8 enabled: !!sessionId,
9 refetchInterval: false,
10 })
11 }
12
1 import { useEffect, useRef, useState, useCallback } from 'react'
2 import { useQueryClient } from '@tanstack/react-query'
3 import { API_BASE } from '@/config/api'
4 import type { WSMessage, WSClientMessage, ParsedEvent } from '@/types'
5
6 const WS_URL = `ws://${window.location.host}/api/events/stream`
7
8 // Fetch log level from server once on module load
9 let logLevel: 'debug' | 'trace' | 'none' = 'none'
10 fetch(`${API_BASE}/health`)
11 .then((r) => r.json())
12 .then((data) => {
13 const level = (data.logLevel || '').toLowerCase()
14 if (level === 'trace') logLevel = 'trace'
15 else if (level === 'debug') logLevel = 'debug'
16 })
17 .catch(() => {})
18
19 export function useWebSocket(sessionId: string | null) {
20 const queryClient = useQueryClient()
21 const wsRef = useRef<WebSocket | null>(null)
22 const [connected, setConnected] = useState(false)
23 const reconnectTimeoutRef = useRef<ReturnType<typeof setTimeout>>(undefined)
24 const sessionIdRef = useRef(sessionId)
25 sessionIdRef.current = sessionId
26
27 const sendMessage = useCallback((msg: WSClientMessage) => {
28 const ws = wsRef.current
29 if (ws && ws.readyState === WebSocket.OPEN) {
30 ws.send(JSON.stringify(msg))
31 }
32 }, [])
33
34 // Send subscribe/unsubscribe when sessionId changes
35 useEffect(() => {
36 if (!connected) return
37 if (sessionId) {
38 sendMessage({ type: 'subscribe', sessionId })
39 if (logLevel === 'debug' || logLevel === 'trace') {
40 console.log(`[WS] Subscribing to session ${sessionId.slice(0, 8)}`)
41 }
42 } else {
43 sendMessage({ type: 'unsubscribe' })
44 if (logLevel === 'debug' || logLevel === 'trace') {
45 console.log('[WS] Unsubscribed (no session selected)')
46 }
47 }
48 }, [sessionId, connected, sendMessage])
49
50 const handleMessage = useCallback((msg: WSMessage) => {
51 if (msg.type === 'event') {
52 const event = ms
…
Found 1 file app/client/src/hooks/use-agents.ts
1 import { useMemo } from 'react'
2 import { useQuery, useQueryClient } from '@tanstack/react-query'
3 import { api } from '@/lib/api-client'
4 import type { Agent, ServerAgent, ParsedEvent } from '@/types'
5
6 // Module-level dedup — shared across all useAgents instances so multiple
7 // components (event-stream, combobox, timeline) don't each fire a fetch
8 // for the same unknown agent.
9 const pendingFetches = new Set<string>()
10
11 /**
12 * Derives full Agent objects from server metadata + events.
13 * Status, eventCount, and timing are computed from events.
14 * Detects unknown agents and fetches their metadata on demand.
15 */
16 export function useAgents(sessionId: string | null, events: ParsedEvent[] | undefined): Agent[] {
17 const queryClient = useQueryClient()
18
19 const { data: serverAgents } = useQuery({
20 queryKey: ['agents', sessionId],
21 queryFn: () => api.getAgents(sessionId!),
22 enabled: !!sessionId,
23 })
24
25 return useMemo(() => {
26 if (!events) return []
27
28 // Build per-agent stats from events
29 const agentStats = new Map<string, {
30 eventCount: number
31 firstEventAt: number
32 lastEventAt: number
33 lastStoppedAt: number // timestamp of last stop signal, 0 if never
34 }>()
35
36 const stopSubtypes = new Set(['Stop', 'SessionEnd', 'stop_hook_summary'])
37
38 for (const e of events) {
39 let stats = agentStats.get(e.agentId)
40 if (!stats) {
41 stats = { eventCount: 0, firstEventAt: e.timestamp, lastEventAt: e.timestamp, lastStoppedAt: 0 }
42 agentStats.set(e.agentId, stats)
43 }
44 stats.eventCount++
45 if (e.timestamp < stats.firstEventAt) stats.firstEventAt = e.timestamp
46 if (e.timestamp > stats.lastEventAt) stats.lastEventAt = e.timestamp
47
48 // Stop signals for this agent's own events
49 if (stopSubtypes.has(e.subtype ?? '')) {
50 stats.lastStoppedAt = Math.max(stats.lastSt
…
app/client/src/stores/ui-store.ts:70: setTimeRange: (range: '1m' | '5m' | '10m' | '60m') => void
app/client/src/stores/ui-store.ts:195: setTimeRange: (range) => set({ timeRange: range }),
app/client/src/stores/ui-store.test.ts:358: useUIStore.getState().setTimeRange('10m')
1775081076195|2026-04-01 17:04:36 1775081015881|2026-04-01 17:03:35 1775081011631|2026-04-01 17:03:31 1775081011385|2026-04-01 17:03:31 1775081003478|2026-04-01 17:03:23
1775076663766|1775081076195|329
Current timestamp: 1775083888000 Latest event: 1775081076195 Age of latest event: 2811 seconds
… OK, I've analyzed the code extensively. Let me start the dev server and actually test this with some fresh events.
AGENTS_OBSERVE_SERVER_PORT=4982 AGENTS_OBSERVE_CLIENT_PORT=5175 AGENTS_OBSERVE_DB_PATH=/Users/jessitron/code/simple10/agents-observe/data/observe.db
npm warn exec The following package was not found and will be installed: concurrently@9.2.1
[0]
[0] > app-server@1.0.0 dev
[0] > tsx watch src/index.ts
[0]
[1]
[1] > app-client@1.0.0 dev
[1] > vite
[1]
[1]
[1] VITE v6.4.1 ready in 179 ms
[1]
[1]
[1] 🚀 Dashboard: http://localhost:5174
[1]
[1] ➜ Local: http://localhost:5174/
[1] ➜ Network: use --host to expose
[0] [consumer] Running in dev mode — auto-shutdown is disabled
[0] [WS] WebSocket enabled on /api/events/stream
[0] Port 4981 in use, retrying in 1s... (3 left)
[0] node:events:497
[0] throw er; // Unhandled 'error' event
[0] ^
[0]
[0] Error: listen EADDRINUSE: address already in use :::4981
[0] at Server.setupListenHandle [as _listen2] (node:net:1940:16)
[0] at listenInCluster (node:net:1997:12)
[0] at Server.listen (node:net:2102:7)
[0] at serve (file:///Users/jessitron/code/simple10/agents-observe/app/server/node_modules/@hono/node-server/dist/index.mjs:581:10)
[0] at start (/Users/jessitron/code/simple10/agents-observe/app/server/src/index.ts:16:18)
[0] at <anonymous> (/Users/jessitron/code/simple10/agents-observe/app/server/src/index.ts:35:1)
[0] at ModuleJob.run (node:internal/modules/esm/module_job:343:25)
[0] at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:665:26)
[0] at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:117:5)
[0] Emitted 'error' event on WebSocketServer instance at:
[0] at Server.emit (node:events:531:35)
[0] at emitErrorNT (node:net:1976:8)
[0] at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
[0] code: 'EADDRINUSE',
[0] errno: -48,
[0] syscall: 'listen',
[0] address: '::',
[0] port: 4981
[0] }
[0]
[0] Node.js v22.21.1
{"ok":true,"id":"agents-observe","version":"0.7.4","logLevel":"trace","runtime":"local","dbPath":"/Users/jessitron/code/simple10/agents-observe/data/observe.db","activeConsumers":0,"activeClients":1}--
…
… The server is already running on 4982. Let me inject some fresh events to test with, then check the timeline behavior programmatically.
wait, I have an idea. Let's make a way to set the current time, so that we can test it using events in the past. Let's give it a way to say "Pretend it is [date]"
Extra data: line 1 column 5 (char 4)
🥕 Great idea! Instead of needing live events to test the timeline, we add a "time travel" mechanism — override `Date.now()` so the timeline renders relative to a past point in time. Let me understand the current data so we can pick a good "pretend" time.
2026-04-01 15:51:03|2026-04-01 17:04:36|329
… The test data spans 15:51 to 17:04 today — about 73 minutes. If we pretend it's 17:04, we'd see events across all time ranges. Here's my plan: 1. Add `timeOverride: number | null` to the UI store 2. Create a `getNow()` utility that returns `timeOverride ?? Date.now()` 3. Replace `Date.now()` in timeline components with `getNow()` 4. When time is overridden, use static positioning (no CSS drift — time isn't actually passing) 5. Add a simple UI control to set the pretend time Let me start.
1 import { create } from 'zustand'
2
3 function parseHash(): { projectSlug: string | null; sessionId: string | null } {
4 const hash = window.location.hash.slice(1)
5 if (!hash || hash === '/') return { projectSlug: null, sessionId: null }
6 const parts = hash.split('/').filter(Boolean)
7 if (parts.length === 1) {
8 // Could be a session ID or a project slug — treat as session ID
9 return { projectSlug: null, sessionId: parts[0] }
10 }
11 if (parts.length >= 2) {
12 return { projectSlug: parts[0], sessionId: parts[1] }
13 }
14 return { projectSlug: null, sessionId: null }
15 }
16
17 function updateHash(projectSlug: string | null, sessionId: string | null) {
18 let hash = '/'
19 if (projectSlug && sessionId) {
20 hash = `/${projectSlug}/${sessionId}`
21 } else if (projectSlug) {
22 hash = `/${projectSlug}`
23 } else if (sessionId) {
24 hash = `/${sessionId}`
25 }
26 window.history.replaceState(null, '', `#${hash}`)
27 }
28
29 interface SessionFilterState {
30 activeStaticFilters: string[]
31 activeToolFilters: string[]
32 searchQuery: string
33 }
34
35 const DEFAULT_FILTER_STATE: SessionFilterState = {
36 activeStaticFilters: [],
37 activeToolFilters: [],
38 searchQuery: '',
39 }
40
41 interface UIState {
42 sidebarCollapsed: boolean
43 sidebarWidth: number
44 setSidebarCollapsed: (collapsed: boolean) => void
45 setSidebarWidth: (width: number) => void
46
47 selectedProjectId: number | null
48 selectedProjectSlug: string | null
49 selectedSessionId: string | null
50 selectedAgentIds: string[]
51 setSelectedProject: (id: number | null, slug?: string | null) => void
52 setSelectedSessionId: (id: string | null) => void
53 updateProjectSlug: (slug: string) => void
54 setSelectedAgentIds: (ids: string[]) => void
55 toggleAgentId: (id: string) => void
56 removeAgentId: (id: string) => void
57
58 activeStaticFilters: string[] // labels from STATIC_FILTERS
59 activeToolFilt
…
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
⚠️ API Error
Request timed out
🥕 OK, let me implement the time override. I'll: 1. Add `timeOverride` to the UI store 2. Create a `getNow()` utility 3. Wire it into the timeline components 4. Add a UI control
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/stores/ui-store.ts has been updated successfully.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/stores/ui-store.ts has been updated successfully.
Now create the `getNow()` utility that timeline components will use instead of `Date.now()`:
File created successfully at: /Users/jessitron/code/simple10/agents-observe/app/client/src/lib/get-now.ts
Now update the timeline components to use `getNow()` instead of `Date.now()`. In `agent-lane.tsx`, there are two places: the `visibleEvents` filter (line 117) and the DotContainer render (line 27):
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated successfully.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated. All occurrences were successfully replaced.
Now I also need to handle the CSS drift animation. When `timeOverride` is set, time isn't actually passing, so the CSS drift to `-5%` would be wrong — dots should stay at their calculated positions. Let me also make the `visibleEvents` memo react to `timeOverride` changes:
1 import { useRef, useMemo, useCallback } from 'react'
2 import { cn } from '@/lib/utils'
3 import { getNow } from '@/lib/get-now'
4 import { getEventIcon, getEventColor } from '@/config/event-icons'
5 import { getEventSummary } from '@/lib/event-summary'
6 import { useUIStore } from '@/stores/ui-store'
7 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
8 import { AgentLabel } from '@/components/shared/agent-label'
9 import type { Agent, ParsedEvent } from '@/types'
10
11 // Renders event dots with CSS-driven drift animation.
12 // Each dot mounts at its current position and CSS-transitions to -5% (off-screen).
13 // On scale change, all dots are unmounted and remounted via a key change.
14 function DotContainer({
15 events,
16 rangeMs,
17 generation,
18 setScrollToEventId,
19 }: {
20 events: ParsedEvent[]
21 rangeMs: number
22 generation: number
23 setScrollToEventId: (id: number | null) => void
24 }) {
25 return (
26 <>
27 {events.map((event) => {
28 const age = getNow() - event.timestamp
29 const position = 100 - (age / rangeMs) * 100
30 if (position < -10 || position > 100) return null
31
32 const remainingMs = Math.max(0, rangeMs - age)
33 const Icon = getEventIcon(event.subtype, event.toolName)
34 const { dotColor, customHex } = getEventColor(event.subtype, event.toolName)
35 const summary = getEventSummary(event)
36
37 return (
38 <Tooltip key={`${event.id}-${generation}`}>
39 <TooltipTrigger asChild>
40 <button
41 className="absolute top-1/2 -translate-y-1/2 -translate-x-1/2 cursor-pointer hover:scale-125"
42 style={{ left: `${position}%` }}
43 ref={(el) => {
44 if (!el) return
45 // Start drift: set position without transition, then animate to off-screen
46 requestAnimationFrame(() => {
47
…
… I need to make several changes to `agent-lane.tsx`: 1. Read `timeOverride` from the store and add it to `visibleEvents` deps 2. Skip CSS drift when time is overridden (dots should be static) 3. Increment generation when `timeOverride` changes
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated successfully.
Now update the `AgentLane` component to read `timeOverride`, use it as a dep, and pass `timeFrozen`:
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated successfully.
Now add `timeOverride` to the generation logic and `visibleEvents` deps:
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated successfully.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/agent-lane.tsx has been updated successfully.
Now add the UI control. I'll add a "time travel" control to the timeline header bar, next to the range buttons:
File unchanged since last read. The content from the earlier Read tool_result in this conversation is still current — refer to that instead of re-reading.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
Now I need to figure out a good UX for "pretend it is [time]". The simplest approach: a button that auto-sets the time to the latest event in the current session (so you can see historical data), plus a way to clear it. Let me add this next to the range buttons:
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
(Bash completed with no output)
The user doesn't want to proceed with this tool use. The tool use was rejected (eg. if it was a file edit, the new_string was NOT written to the file). STOP what you are doing and wait for the user to tell you how to proceed. Note: The user's next message may contain a correction or preference. Pay close attention — if they explain what went wrong or how they'd prefer you to work, consider saving that to memory for future sessions.
No response requested.
🥕 Right, let me pick up where I was. I'd made changes to add time travel support. Let me check the current state of everything.
.claude/settings.json | 3 ++ app/client/src/components/sidebar/sidebar.tsx | 2 +- .../src/components/timeline/activity-timeline.tsx | 39 +++++++++++++++++++++- app/client/src/components/timeline/agent-lane.tsx | 21 +++++++++--- app/client/src/stores/ui-store.ts | 7 ++++ 5 files changed, 65 insertions(+), 7 deletions(-)
(Bash completed with no output)
Clean build. Let me verify the final state of each changed file:
1 import { useUIStore } from '@/stores/ui-store'
2
3 /**
4 * Returns the current "now" timestamp for timeline calculations.
5 * When timeOverride is set (time travel mode), returns that instead of Date.now().
6 */
7 export function getNow(): number {
8 return useUIStore.getState().timeOverride ?? Date.now()
9 }
10
1 import { useRef, useMemo, useCallback } from 'react'
2 import { cn } from '@/lib/utils'
3 import { getNow } from '@/lib/get-now'
4 import { getEventIcon, getEventColor } from '@/config/event-icons'
5 import { getEventSummary } from '@/lib/event-summary'
6 import { useUIStore } from '@/stores/ui-store'
7 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
8 import { AgentLabel } from '@/components/shared/agent-label'
9 import type { Agent, ParsedEvent } from '@/types'
10
11 // Renders event dots with CSS-driven drift animation.
12 // Each dot mounts at its current position and CSS-transitions to -5% (off-screen).
13 // On scale change, all dots are unmounted and remounted via a key change.
14 function DotContainer({
15 events,
16 rangeMs,
17 generation,
18 timeFrozen,
19 setScrollToEventId,
20 }: {
21 events: ParsedEvent[]
22 rangeMs: number
23 generation: number
24 timeFrozen: boolean
25 setScrollToEventId: (id: number | null) => void
26 }) {
27 return (
28 <>
29 {events.map((event) => {
30 const age = getNow() - event.timestamp
31 const position = 100 - (age / rangeMs) * 100
32 if (position < -10 || position > 100) return null
33
34 const remainingMs = Math.max(0, rangeMs - age)
35 const Icon = getEventIcon(event.subtype, event.toolName)
36 const { dotColor, customHex } = getEventColor(event.subtype, event.toolName)
37 const summary = getEventSummary(event)
38
39 return (
40 <Tooltip key={`${event.id}-${generation}`}>
41 <TooltipTrigger asChild>
42 <button
43 className="absolute top-1/2 -translate-y-1/2 -translate-x-1/2 cursor-pointer hover:scale-125"
44 style={{ left: `${position}%` }}
45 ref={timeFrozen ? undefined : (el) => {
46 if (!el) return
47 // Start drift: set position without transition, then animate to off-
…
1 import { useCallback, useRef, useMemo, useState, useEffect } from 'react'
2 import { useUIStore } from '@/stores/ui-store'
3 import { useEvents } from '@/hooks/use-events'
4 import { useAgents } from '@/hooks/use-agents'
5 import { useSessions } from '@/hooks/use-sessions'
6 import { buildAgentColorMap, getAgentColorById } from '@/lib/agent-utils'
7 import { AgentLane } from './agent-lane'
8 import { Button } from '@/components/ui/button'
9 import { TooltipProvider } from '@/components/ui/tooltip'
10 import type { Agent, ParsedEvent } from '@/types'
11
12 export function ActivityTimeline() {
13 const {
14 selectedProjectId,
15 selectedSessionId,
16 selectedAgentIds,
17 timelineHeight,
18 timeRange,
19 timeOverride,
20 setTimelineHeight,
21 setTimeRange,
22 setTimeOverride,
23 } = useUIStore()
24
25 const { data: sessions } = useSessions(selectedProjectId)
26 const effectiveSessionId = selectedSessionId || sessions?.[0]?.id || null
27 const { data: events } = useEvents(effectiveSessionId)
28 const agents = useAgents(effectiveSessionId, events)
29 const resizing = useRef(false)
30 const startY = useRef(0)
31 const startHeight = useRef(0)
32
33 // Periodic cleanup tick: forces re-render so expired dots are removed from DOM.
34 // Also triggers when new events arrive.
35 const [, setCleanupTick] = useState(0)
36 useEffect(() => {
37 const id = setInterval(() => setCleanupTick((t) => t + 1), 5_000)
38 return () => clearInterval(id)
39 }, [])
40 const eventsLength = events?.length ?? 0
41 useEffect(() => {
42 setCleanupTick((t) => t + 1)
43 }, [eventsLength])
44
45 const flatAgents = useMemo(() => {
46 const mainAgents: { agent: Agent; isSubagent: boolean }[] = []
47 const nonMainAgents: { agent: Agent; isSubagent: boolean }[] = []
48 for (const a of agents) {
49 if (selectedAgentIds.length > 0 && !selectedAgentIds.includes(a.id)) continue
50 if (!a.parentAgen
…
Everything looks good. Here's a summary of the changes: The problem: The timeline uses `Date.now()` as the reference point, so historical events in the DB (even minutes old) fall outside the visible range. There was no way to view past data. What I changed: 1. `get-now.ts` — New utility: `getNow()` returns `timeOverride ?? Date.now()` from the store 2. `ui-store.ts` — Added `timeOverride: number | null` and `setTimeOverride()` 3. `agent-lane.tsx` — Replaced `Date.now()` with `getNow()` in both the `visibleEvents` filter and dot positioning. Added `timeOverride` to the memo deps and generation tracking. When time is frozen (`timeFrozen`), CSS drift animation is disabled so dots stay at their calculated positions. 4. `activity-timeline.tsx` — Added a "Rewind" button that sets `timeOverride` to the latest event's timestamp. When active, shows the frozen time and a "Live" button to return to real-time. Want to try it in the browser? The Rewind button should make the test data (329 events spanning ~73 minutes) visible on the timeline. Clicking "Live" goes back to real-time mode.
This is pretty good. There's a time printed in rewind mode, it's in a different format that the time on the events in the event list though. The 'Rewind' button is good, but then in Rewind mode, the 'Live' button is orange and makes it look like it _is_ live. That could say 'switch to live' instead
🥕 Good catches, both of them. Let me fix the Live button text and check what time format the event list uses.
src/components/event-stream/event-row.tsx:26:function formatTime(ts: number): string {
src/components/event-stream/event-row.tsx:27: return new Date(ts).toLocaleTimeString('en-US', {
src/components/event-stream/event-row.tsx:186: {formatTime(event.timestamp)}
src/components/event-stream/event-detail.tsx:597: {new Date(event.timestamp).toLocaleTimeString('en-US', {
src/components/timeline/activity-timeline.tsx:131: return d.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit', second: '2-digit' })
src/components/main-panel/agent-combobox.tsx:33: return new Date(ts).toLocaleTimeString('en-US', {
src/components/main-panel/logs-modal.tsx:136: {new Date(event.timestamp).toLocaleTimeString('en-US', {
26 function formatTime(ts: number): string {
27 return new Date(ts).toLocaleTimeString('en-US', {
28 hour12: false,
29 hour: '2-digit',
30 minute: '2-digit',
31 second: '2-digit',
32 })
33 }
The event list uses `'en-US'` with `hour12: false` (24-hour format). My timeline label uses the default locale. Let me fix both issues:
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
Two fixes: - Time format now matches the event list (24-hour `en-US` with `hour12: false`) - Button says "Switch to live" instead of "Live" when in rewind mode
great! Now, when it's in rewind mode, can you let me scroll right and left in the timeline?
🥕 Nice — so in rewind mode, you'd drag or scroll horizontally to shift the `timeOverride` forward/backward through the session's history. Let me think about the interaction. When you scroll right, time moves forward (newer). Scroll left, time moves backward (older). The amount of time shift per scroll should be proportional to the current range — so on 5m view, a scroll moves you by a smaller amount than on 60m view.
1 import { useCallback, useRef, useMemo, useState, useEffect } from 'react'
2 import { useUIStore } from '@/stores/ui-store'
3 import { useEvents } from '@/hooks/use-events'
4 import { useAgents } from '@/hooks/use-agents'
5 import { useSessions } from '@/hooks/use-sessions'
6 import { buildAgentColorMap, getAgentColorById } from '@/lib/agent-utils'
7 import { AgentLane } from './agent-lane'
8 import { Button } from '@/components/ui/button'
9 import { TooltipProvider } from '@/components/ui/tooltip'
10 import type { Agent, ParsedEvent } from '@/types'
11
12 export function ActivityTimeline() {
13 const {
14 selectedProjectId,
15 selectedSessionId,
16 selectedAgentIds,
17 timelineHeight,
18 timeRange,
19 timeOverride,
20 setTimelineHeight,
21 setTimeRange,
22 setTimeOverride,
23 } = useUIStore()
24
25 const { data: sessions } = useSessions(selectedProjectId)
26 const effectiveSessionId = selectedSessionId || sessions?.[0]?.id || null
27 const { data: events } = useEvents(effectiveSessionId)
28 const agents = useAgents(effectiveSessionId, events)
29 const resizing = useRef(false)
30 const startY = useRef(0)
31 const startHeight = useRef(0)
32
33 // Periodic cleanup tick: forces re-render so expired dots are removed from DOM.
34 // Also triggers when new events arrive.
35 const [, setCleanupTick] = useState(0)
36 useEffect(() => {
37 const id = setInterval(() => setCleanupTick((t) => t + 1), 5_000)
38 return () => clearInterval(id)
39 }, [])
40 const eventsLength = events?.length ?? 0
41 useEffect(() => {
42 setCleanupTick((t) => t + 1)
43 }, [eventsLength])
44
45 const flatAgents = useMemo(() => {
46 const mainAgents: { agent: Agent; isSubagent: boolean }[] = []
47 const nonMainAgents: { agent: Agent; isSubagent: boolean }[] = []
48 for (const a of agents) {
49 if (selectedAgentIds.length > 0 && !selectedAgentIds.includes(a.id)) continue
50 if (!a.parentAgen
…
… I'll add a `onWheel` handler on the timeline lanes area. Horizontal scroll (trackpad swipe or shift+wheel) shifts `timeOverride`. Scrolling left in live mode will auto-enter rewind.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
Exit code 1 (eval):cd:1: no such file or directory: app/client
(Bash completed with no output)
Clean. Here's what the scroll does: - Trackpad: swipe left/right on the timeline lanes area to scrub through time - Mouse: shift+scroll wheel does the same - Auto-enters rewind: if you're in live mode and scroll left, it automatically enters rewind at the current time and starts scrolling back - Clamped: can't scroll past the earliest or latest event in the session - Range-proportional: scroll sensitivity scales with the selected time range (scrolling ~600px covers one full range)
neat!! Hmm, I have trouble with my trackpad: when I want to scroll up/down in that timeline, to see the different agents (they're not all viewable at the same time), it is also moving back/forward. I'm not sure how to deal with that. What can we do to isolate the two signals: scroll up/down vs scroll in time ?
🥕 Good question. Trackpads often send both deltaX and deltaY simultaneously during diagonal swipes, so it's hard to cleanly separate the two. A few options: 1. Modifier key: Only time-scroll when holding a key (e.g., Alt/Option+scroll). Simple and unambiguous, but less discoverable. 2. Dominant axis: Look at which delta is larger — if `|deltaY| > |deltaX|`, treat it as vertical scroll (agents) and ignore horizontal. Only time-scroll when deltaX is the dominant direction. 3. Dedicated scroll zone: Put a thin horizontal scrollbar/scrub area below the lanes that only handles time. Vertical scroll stays on the lanes area. I'd lean toward option 2 (dominant axis) — it's invisible to the user, just makes the existing gesture work correctly. The trackpad already sends both axes; we just need to pick the right one per gesture. What do you think?
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
(Bash completed with no output)
Now vertical swipes scroll through agents, horizontal swipes scrub through time. Shift+wheel still works for mouse users regardless of axis.
working! Can you make the lower bound of the date range such that the first event is at the beginning of the range? Currently I can scroll back until the first event is at the end of the blank range, so I'm looking at the 5m (for example) before session startup, all blank minutes.
🥕 Makes sense — clamp the lower bound so the earliest event sits at the right edge (the "now" position), not the left edge.
140 const handleWheel = useCallback((e: React.WheelEvent) => {
141 // Use deltaX for horizontal scroll (trackpad swipe).
142 // Also support shift+deltaY for mouse wheel users.
143 // Dominant axis: if vertical scroll is stronger, let it scroll agents normally.
144 const deltaX = e.shiftKey ? e.deltaY : e.deltaX
145 if (deltaX === 0 || Math.abs(e.deltaY) > Math.abs(e.deltaX) && !e.shiftKey) return
146 if (!eventTimeBounds) return
147
148 e.preventDefault()
149
150 // Scrolling left (negative deltaX) = go back in time (decrease timeOverride)
151 // Scrolling right (positive deltaX) = go forward (increase timeOverride)
152 // Scale: full container width ≈ 600px maps to one full range
153 const msPerPixel = rangeMs / 600
154 const deltaMs = deltaX * msPerPixel
154 const deltaMs = deltaX * msPerPixel 155 156 const current = timeOverride ?? Date.now() 157 const next = Math.max(eventTimeBounds.min, Math.min(eventTimeBounds.max, current + deltaMs)) 158 setTimeOverride(next)
The lower clamp is `eventTimeBounds.min` — the earliest event's timestamp. That puts the first event at the "now" position (right edge). Instead, the lower bound should be `eventTimeBounds.min + rangeMs`, so the first event appears at the left edge of the visible range.
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
Now when you scroll all the way back, the earliest event will be at the left edge of the timeline — no more blank pre-session minutes.
ah, better! a small tweak: give it a little buffer, so that I can see the whole symbol of the events. Right now I see half of the circle
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/components/timeline/activity-timeline.tsx has been updated successfully.
That shifts the lower bound inward by 2% of the range, giving the leftmost dots room to breathe.
That looks great! Let's start preparing this for pull request. Write up the change as a markdown file, describing what all we changed and why. Then I can look at it, and it can be a basis for the PR
.claude/settings.json | 3 + app/client/src/components/sidebar/sidebar.tsx | 2 +- .../src/components/timeline/activity-timeline.tsx | 76 +++++++++++++++++++++- app/client/src/components/timeline/agent-lane.tsx | 21 ++++-- app/client/src/stores/ui-store.ts | 7 ++ 5 files changed, 101 insertions(+), 8 deletions(-)
(Bash completed with no output)
(Bash completed with no output)
On branch main Your branch is up to date with 'origin/main'. Changes not staged for commit: (use "git add <file>..." to update what will be committed) (use "git restore <file>..." to discard changes in working directory) modified: ../../.claude/settings.json modified: src/components/sidebar/sidebar.tsx modified: src/components/timeline/activity-timeline.tsx modified: src/components/timeline/agent-lane.tsx modified: src/stores/ui-store.ts Untracked files: (use "git add <file>..." to include in what will be committed) src/lib/get-now.ts no changes added to commit (use "git add" and/or "git commit -a")
(Bash completed with no output)
diff --git a/app/client/src/components/sidebar/sidebar.tsx b/app/client/src/components/sidebar/sidebar.tsx
index a4d41cf..50adde5 100644
--- a/app/client/src/components/sidebar/sidebar.tsx
+++ b/app/client/src/components/sidebar/sidebar.tsx
@@ -73,7 +73,7 @@ export function Sidebar({ connected }: SidebarProps) {
<div className="flex h-7 w-7 shrink-0 items-center justify-center rounded-md bg-primary text-primary-foreground text-xs font-bold">
O
</div>
- <span className="text-sm font-semibold truncate">Observe</span>
+ <span className="text-sm font-semibold truncate">Observe — jess was here</span>
</button>
)}
{!sidebarCollapsed && <div className="flex-1" />}
That's the "jess was here" test change mentioned in CLAUDE.md — should not be included. Now let me write the change description.
File created successfully at: /Users/jessitron/code/simple10/agents-observe/pr-description.md
Written to `pr-description.md`. Take a look — once you're happy with it, I can create the branch, commit the relevant files (excluding sidebar.tsx and settings.json), and open the PR.
🥕 You mean add a reference to the PR description file in CLAUDE.md, or update the "Current work" section to reflect what we did?
1 # Claude Code instructions for agents-observe 2 3 ## What this project is 4 5 An observability dashboard for Claude Code sessions. It captures agent lifecycle events via Claude Code hooks, stores them in SQLite, and renders a real-time React dashboard with a timeline and event list. 6 7 ## Setup (do this first!) 8 9 ```bash 10 just install # install server + client npm dependencies 11 just dev # starts server on :4982, client on :5175 (ports from .env) 12 ``` 13 14 Requires: Node.js (set via asdf: `asdf set nodejs 22.21.1`), `just` command runner. 15 16 See CONTRIBUTING.md for full details. 17 18 ## Dev environment 19 20 - `.env` has custom ports (4982/5175) to avoid conflicting with the Docker plugin on :4981 21 - `.env` also sets `AGENTS_OBSERVE_DB_PATH` to an absolute path for `data/observe.db` for no good reason 22 - `data/observe.db` is a copy of the plugin's real db (329 events, 2 sessions) for testing 23 - The Docker container (`agents-observe`) is still running on :4981 for comparison 24 - Server: `app/server/` (Hono + SQLite + WebSocket) 25 - Client: `app/client/` (React 19 + shadcn/ui + Vite) 26 27 ## Current work 28 29 ### Bug: timeline shows nothing at 10m and 60m ranges 30 31 The activity timeline at the top of the dashboard is live-only, anchored to "now." When you switch to a wider time range (10m, 60m), events that happened more than a few minutes ago should still appear, but they don't -- the timeline goes totally blank. Going back to 5m doesn't make them reappear, they're gone until page reload. 32 33 Key files: 34 35 - `app/client/src/components/timeline/activity-timeline.tsx` — main timeline component 36 - `app/client/src/components/timeline/agent-lane.tsx` — renders event dots per agent lane 37 - Line 117: `visibleEvents` filters by `Date.now() - e.timestamp < rangeMs` — this is correct 38 - Lines 28-29: dots positioned by age, filtered out if `position < -10` 39 - The dots use CSS transition to drift left in real-ti …
The file /Users/jessitron/code/simple10/agents-observe/CLAUDE.md has been updated successfully.
Updated CLAUDE.md — marked the bug and feature as done, added a "Ready for PR" section with key design decisions and a pointer to `pr-description.md`.
🥕 What aspect of the codebase practices are you interested in? For example: - Code style/conventions — formatting, naming, file organization patterns - Testing practices — what kinds of tests exist, coverage approach - Git/PR workflow — commit conventions, branching strategy, CI/CD - Architecture patterns — how the client/server code is structured, state management patterns Or are you looking for a broad sweep across all of these?
🥕 Good call — let me check the contributing guide, any linting/formatting config, test setup, and git/PR conventions.
1 # Contributing to Claude Observe 2 3 Thanks for your interest in contributing! 4 5 ## Getting started 6 7 1. Fork the repo and clone it 8 2. Run `just install` to install dependencies 9 3. Run `just dev` to start the dev server 10 4. Make your changes 11 5. Run `just test` to make sure tests pass 12 6. Run `just fmt` to format your code 13 7. Open a pull request 14 15 ## Project layout 16 17 - `hooks/scripts/` — Hook script and MCP server script 18 - `hooks/hooks.json` — Plugin hook definitions 19 - `skills/` — Plugin skills (`/observe`, `/observe stop`, `/observe status`) 20 - `.claude-plugin/` — Plugin manifest 21 - `app/server/` — Hono server with SQLite storage and WebSocket 22 - `app/client/` — React 19 dashboard with shadcn/ui 23 24 ## Development 25 26 - **Server**: `just dev-server` starts with hot reload via tsx 27 - **Client**: `just dev-client` starts the Vite dev server 28 - **Both**: `just dev` runs both in parallel 29 30 ## Code style 31 32 - Run `just fmt` before committing (uses Prettier via `.prettierrc`) 33 - TypeScript throughout — avoid `any` where possible 34 - Keep the hook script dependency-free (Node.js built-ins only) 35 36 ## Reporting issues 37 38 Open an issue on GitHub with: 39 - What you expected to happen 40 - What actually happened 41 - Steps to reproduce 42 - Your environment (OS, Node version, Claude Code version) 43
app/server/node_modules/minimist/.eslintrc app/client/node_modules/entities/src/generated/.eslintrc.json
app/client/node_modules/@tanstack/react-query/build/query-codemods/eslint.config.js
.prettierrc
1 {
2 "semi": false,
3 "singleQuote": true,
4 "printWidth": 100,
5 "tabWidth": 2,
6 "trailingComma": "all"
7 }
# Agents Observe
# Usage: just <recipe>
#
# AGENTS_OBSERVE_SERVER_PORT & AGENTS_OBSERVE_CLIENT_PORT are read from .env
# Allows for overriding the default ports
# Server port is used for both local dev & docker starts
# Client port is only for local dev
set dotenv-load := true
set export := true
set quiet := true
port := env("AGENTS_OBSERVE_SERVER_PORT", "4981")
dev_client_port := env("AGENTS_OBSERVE_CLIENT_PORT", "5174")
project_root := justfile_directory()
server := project_root / "app" / "server"
client := project_root / "app" / "client"
cli_script := project_root / "hooks" / "scripts" / "observe_cli.mjs"
hook_script := project_root / "hooks" / "scripts" / "hook.sh"
# List available recipes
default:
@just --list
# ─── Docker ─────────────────────────────────────────────
# Build the Docker image locally
build:
docker build -t agents-observe:local .
# Start docker container (detached)
start:
@mkdir -p {{ project_root }}/data
@docker compose down >/dev/null 2>&1 || true
@docker rm -f agents-observe >/dev/null 2>&1 || true
docker compose up -d --build
@echo ""
@echo "Waiting for server..."
@for i in $(seq 1 15); do \
if curl -sf http://localhost:{{ port }}/api/health >/dev/null 2>&1; then \
echo "Ready: http://localhost:{{ port }}"; \
break; \
fi; \
sleep 1; \
done
@just open
# Start the server locally without docker
start-local:
@mkdir -p {{ project_root }}/data
npm run start
# Stop containers
stop:
@docker compose down >/dev/null 2>&1 || true
@docker rm -f agents-observe >/dev/null 2>&1 || true
# Restart containers
restart: stop start
# Run all tests (server + client)
test:
npm test
# Send a test event to the server
test-event:
@echo '{"session_id":"test-1234","hook_event_name":"SessionStart","cwd":"/tmp","source":"new"}' \
| AGENTS_OBSERVE_PROJECT_NAME=test-project node {{ project_root }}/hooks/scripts/observe_cli.mjs
@echo "Event sent"
# ─── Database ────────────────────────────────────────────
# Delete the events database
--
fmt:
cd {{ server }} && npm run fmt
cd {{ client }} && npm run fmt
# Tag and push a release (bumps versions, tests, builds, tags, pushes)
release version:
{{ project_root }}/scripts/release.sh {{ version }}
# Install all dependencies
install:
Now let me check if there are existing tests and what they look like:
app/client/src/components/event-stream/event-stream.test.tsx app/client/src/components/main-panel/main-panel.test.tsx app/client/src/components/sidebar/project-list.test.tsx app/client/src/config/filters.test.ts app/client/src/lib/agent-utils.test.ts app/client/src/lib/event-summary.test.ts app/client/src/stores/ui-store.test.ts
> agents-observe@0.7.4 test > vitest run && cd app/server && npm test && cd ../client && npm test sh: vitest: command not found error: Recipe `test` failed on line 99 with exit code 127
RUN v3.2.4 /Users/jessitron/code/simple10/agents-observe/app/client
✓ src/lib/agent-utils.test.ts (16 tests) 3ms
✓ src/config/filters.test.ts (51 tests) 5ms
✓ src/lib/event-summary.test.ts (81 tests) 6ms
✓ src/stores/ui-store.test.ts (42 tests) 9ms
✓ src/components/main-panel/main-panel.test.tsx (5 tests) 22ms
✓ src/components/event-stream/event-stream.test.tsx (12 tests) 50ms
✓ src/components/sidebar/project-list.test.tsx (16 tests) 214ms
Test Files 7 passed (7)
Tests 223 passed (223)
Start at 16:44:59
Duration 1.15s (transform 352ms, setup 418ms, collect 832ms, tests 309ms, environment 3.24s, prepare 325ms)
Good, tests pass. Let me check the ui-store tests since we modified that file:
350 expect(useUIStore.getState().selectedEventId).toBeNull()
351 })
352 })
353
354 // ── Timeline ──────────────────────────────────────────────
355
356 describe('timeline settings', () => {
357 it('should set time range', () => {
358 useUIStore.getState().setTimeRange('10m')
359 expect(useUIStore.getState().timeRange).toBe('10m')
360 })
361
362 it('should set timeline height', () => {
363 useUIStore.getState().setTimelineHeight(200)
364 expect(useUIStore.getState().timelineHeight).toBe(200)
365 })
366 })
367
368 // ── Icon customization version ────────────────────────────
369
370 describe('icon customization version', () => {
371 it('should increment version', () => {
372 const before = useUIStore.getState().iconCustomizationVersion
373 useUIStore.getState().bumpIconCustomizationVersion()
374 expect(useUIStore.getState().iconCustomizationVersion).toBe(before + 1)
375 })
376 })
377 })
378
Exit code 1 npm warn exec The following package was not found and will be installed: prettier@3.8.1 Checking formatting... [warn] src/stores/ui-store.ts [warn] src/components/timeline/activity-timeline.tsx [warn] src/components/timeline/agent-lane.tsx [warn] Code style issues found in 3 files. Run Prettier with --write to fix.
… Here's what I found that's relevant to our PR: **CONTRIBUTING.md requires before submitting:** 1. `just test` — tests pass (223/223) 2. `just fmt` — **our files have formatting issues** (Prettier with no semicolons, single quotes, 100 char width) **Test coverage:** There's a `ui-store.test.ts` with tests for `timeRange` and `timelineHeight`. We added `timeOverride` to the store but didn't add a test for it. No tests exist for the timeline components themselves (activity-timeline, agent-lane), so we're not expected to add those. **Action items before PR:** 1. Run `just fmt` to fix formatting 2. Add a quick test for `setTimeOverride` in `ui-store.test.ts` to match the existing pattern Want me to go ahead and do both?
354 // ── Timeline ──────────────────────────────────────────────
355
356 describe('timeline settings', () => {
357 it('should set time range', () => {
358 useUIStore.getState().setTimeRange('10m')
359 expect(useUIStore.getState().timeRange).toBe('10m')
360 })
361
362 it('should set timeline height', () => {
363 useUIStore.getState().setTimelineHeight(200)
364 expect(useUIStore.getState().timelineHeight).toBe(200)
365 })
366 })
367
368 // ── Icon customization version ────────────────────────────
369
370 describe('icon customization version', () => {
371 it('should increment version', () => {
372 const before = useUIStore.getState().iconCustomizationVersion
373 useUIStore.getState().bumpIconCustomizationVersion()
374 expect(useUIStore.getState().iconCustomizationVersion).toBe(before + 1)
375 })
376 })
377 })
The file /Users/jessitron/code/simple10/agents-observe/app/client/src/stores/ui-store.test.ts has been updated successfully.
RUN v3.2.4 /Users/jessitron/code/simple10/agents-observe/app/client
✓ src/lib/agent-utils.test.ts (16 tests) 3ms
✓ src/config/filters.test.ts (51 tests) 5ms
✓ src/lib/event-summary.test.ts (81 tests) 5ms
✓ src/stores/ui-store.test.ts (43 tests) 12ms
✓ src/components/main-panel/main-panel.test.tsx (5 tests) 23ms
✓ src/components/event-stream/event-stream.test.tsx (12 tests) 52ms
✓ src/components/sidebar/project-list.test.tsx (16 tests) 225ms
Test Files 7 passed (7)
Tests 224 passed (224)
Start at 16:46:01
Duration 1.16s (transform 399ms, setup 479ms, collect 920ms, tests 325ms, environment 3.16s, prepare 332ms)
src/lib/get-now.ts 20ms (unchanged) src/stores/ui-store.ts 32ms src/stores/ui-store.test.ts 30ms (unchanged) src/components/timeline/activity-timeline.tsx 16ms src/components/timeline/agent-lane.tsx 9ms [This command modified 3 files you've previously read: src/stores/ui-store.ts, src/components/timeline/agent-lane.tsx, src/components/timeline/activity-timeline.tsx. Call Read before editing.]
Tests pass (224/224) and formatting is clean. Ready for PR.
Checking formatting... All matched files use Prettier code style!
Exit code 127 > app-server@1.0.0 fmt > prettier --write src/ sh: prettier: command not found error: Recipe `fmt` failed on line 141 with exit code 127
Prettier isn't installed in the server's `node_modules`. Let me check.
Exit code 1 ls: app/server/node_modules/.bin/prettier: No such file or directory ls: app/client/node_modules/.bin/prettier: No such file or directory
app/server/package.json: "fmt": "prettier --write src/" app/client/package.json: "fmt": "prettier --write src/"
Prettier is referenced in the `fmt` scripts but not listed as a dependency in either package. That's a pre-existing issue with the repo — not something we introduced. Our files are formatted correctly (I verified with `npx prettier --check` which downloads it on the fly), but `just fmt` will fail for anyone without prettier installed globally. This isn't related to our changes. Want me to note it as a known issue, or should we fix it by adding prettier as a dev dependency?
27 packages are looking for funding run `npm fund` for details found 0 vulnerabilities
36 packages are looking for funding run `npm fund` for details found 0 vulnerabilities
> app-server@1.0.0 fmt > prettier --write src/ src/app.ts 36ms (unchanged) src/config.ts 5ms src/consumer-tracker.test.ts 13ms (unchanged) src/consumer-tracker.ts 6ms src/index.ts 3ms (unchanged) src/parser.test.ts 25ms src/parser.ts 8ms (unchanged) src/routes/admin.ts 2ms (unchanged) src/routes/agents.ts 4ms (unchanged) src/routes/consumer.test.ts 3ms (unchanged) src/routes/consumer.ts 1ms (unchanged) src/routes/events.ts 10ms src/routes/health.ts 1ms (unchanged) src/routes/projects.ts 3ms (unchanged) src/routes/sessions.ts 6ms src/services/project-resolver.test.ts 3ms (unchanged) src/services/project-resolver.ts 2ms (unchanged) src/storage/index.ts 1ms (unchanged) src/storage/sqlite-adapter.test.ts 25ms (unchanged) src/storage/sqlite-adapter.ts 11ms src/storage/types.ts 3ms (unchanged) src/types.ts 2ms src/utils/slug.test.ts 2ms (unchanged) src/utils/slug.ts 2ms (unchanged) src/websocket.ts 4ms > app-client@1.0.0 fmt > prettier --write src/ src/App.tsx 29ms (unchanged) src/components/event-stream/event-detail.tsx 49ms src/components/event-stream/event-row.tsx 12ms src/components/event-stream/event-stream.test.tsx 13ms (unchanged) src/components/event-stream/event-stream.tsx 12ms src/components/main-panel/agent-combobox.tsx 9ms src/components/main-panel/event-filter-bar.tsx 4ms src/components/main-panel/home-page.tsx 1ms src/components/main-panel/logs-modal.tsx 5ms src/components/main-panel/main-panel.test.tsx 4ms src/components/main-panel/main-panel.tsx 1ms (unchanged) src/components/main-panel/project-page.tsx 1ms src/components/main-panel/scope-bar.tsx 3ms src/components/main-panel/session-list.tsx 3ms src/components/settings/color-picker.tsx 3ms src/components/settings/icon-picker.tsx 4ms src/components/settings/icon-settings.tsx 10ms src/components/settings/projects-tab.tsx 4ms src/components/settings/settings-modal.tsx 2ms src/components/shared/agent-label.tsx 2ms src/components/sidebar/project-list.test.tsx 9ms (unchanged) src/components/sidebar/project-l …
`just fmt` works now. Note that it also reformatted a bunch of existing files in the repo that were already out of format — that's the pre-existing issue from prettier not being installed. Our changed files show as `(unchanged)` since we already formatted them.
ummm I don't want a bunch of changes in our PR that aren't for our files. Is it getting the wrong .prettierrc or somehing?
🥕 Good point. Let me check — the root `.prettierrc` might differ from what was used when those files were originally formatted, or maybe they just never ran `just fmt` since prettier wasn't installed. But regardless, we shouldn't include those reformats in our PR. Let me revert the files we didn't intentionally change.
.claude/settings.json app/client/package-lock.json app/client/package.json app/client/src/components/event-stream/event-detail.tsx app/client/src/components/event-stream/event-row.tsx app/client/src/components/event-stream/event-stream.tsx app/client/src/components/main-panel/agent-combobox.tsx app/client/src/components/main-panel/event-filter-bar.tsx app/client/src/components/main-panel/home-page.tsx app/client/src/components/main-panel/logs-modal.tsx app/client/src/components/main-panel/main-panel.test.tsx app/client/src/components/main-panel/project-page.tsx app/client/src/components/main-panel/scope-bar.tsx app/client/src/components/main-panel/session-list.tsx app/client/src/components/settings/color-picker.tsx app/client/src/components/settings/icon-picker.tsx app/client/src/components/settings/icon-settings.tsx app/client/src/components/settings/projects-tab.tsx app/client/src/components/settings/settings-modal.tsx app/client/src/components/shared/agent-label.tsx app/client/src/components/sidebar/project-list.tsx app/client/src/components/sidebar/sidebar.tsx app/client/src/components/timeline/activity-timeline.tsx app/client/src/components/timeline/agent-lane.tsx app/client/src/components/ui/alert-dialog.tsx app/client/src/components/ui/button.tsx app/client/src/components/ui/command.tsx app/client/src/components/ui/dialog.tsx app/client/src/components/ui/popover.tsx app/client/src/components/ui/tabs.tsx app/client/src/config/event-icons.ts app/client/src/config/filters.test.ts app/client/src/config/filters.ts app/client/src/hooks/use-agents.ts app/client/src/hooks/use-icon-customizations.ts app/client/src/hooks/use-route-sync.ts app/client/src/hooks/use-websocket.ts app/client/src/index.css app/client/src/lib/agent-utils.test.ts app/client/src/lib/agent-utils.ts app/client/src/lib/api-client.ts app/client/src/lib/event-summary.test.ts app/client/src/lib/event-summary.ts app/client/src/lib/utils.ts app/client/src/stores/ui-store.test.ts app/client/src/stores/u …
Yikes, that's a lot. Let me restore everything we didn't intentionally change. Our files are: - `app/client/src/lib/get-now.ts` (new) - `app/client/src/stores/ui-store.ts` - `app/client/src/stores/ui-store.test.ts` - `app/client/src/components/timeline/activity-timeline.tsx` - `app/client/src/components/timeline/agent-lane.tsx` - `app/client/package.json` + `package-lock.json` (prettier dep) - `app/server/package.json` + `package-lock.json` (prettier dep)
(Bash completed with no output)
app/client/package-lock.json app/client/package.json app/client/src/components/timeline/activity-timeline.tsx app/client/src/components/timeline/agent-lane.tsx app/client/src/stores/ui-store.test.ts app/client/src/stores/ui-store.ts app/server/package-lock.json app/server/package.json
That's just our files now. The prettier dep addition (package.json changes) should probably be a separate commit from the feature work. Want me to split them, or keep it all together?
yes, split into a separate commit. Do you have any ideas why the formatting might be different?
🥕 A few possible reasons: 1. Version mismatch — the repo had no prettier pinned as a dependency, so whoever formatted those files last may have used a different version globally. We just installed `prettier@3.8.1` (latest). Even minor version differences can produce different output (e.g., how ternaries or long lines wrap). 2. Editor config — contributors might have formatted via an editor plugin with different settings or an older prettier version bundled in their IDE. 3. Never formatted at all — since `just fmt` was broken (prettier not installed), it's possible some files were committed without ever running through prettier. My guess is #1 — version mismatch — since the changes I saw were mostly whitespace/wrapping differences, not style rule differences. We could check by looking at what version the repo maintainer uses, but pinning it in `package.json` (which we just did) is the real fix going forward. Want me to commit the prettier fix now?
ab73df9 release: v0.7.4 1c995d6 Collapse multi-line bash commands in row summary with \n separators 3b7819a Add bash wrapper for hooks to reduce blocking time from ~60ms to ~10ms 86b2e31 Clean up docker containers when using the just command deaa60a Update commands & files overview in README
app/client/package-lock.json | 17 ++++ app/client/package.json | 1 + .../src/components/timeline/activity-timeline.tsx | 95 +++++++++++++++++++++- app/client/src/components/timeline/agent-lane.tsx | 62 ++++++++++---- app/client/src/stores/ui-store.test.ts | 8 ++ app/client/src/stores/ui-store.ts | 12 ++- app/server/package-lock.json | 17 ++++ app/server/package.json | 1 + 8 files changed, 193 insertions(+), 20 deletions(-)
Switched to a new branch 'timeline-rewind'
(Bash completed with no output)
[timeline-rewind a800ffe] Add prettier as dev dependency so `just fmt` works - claude 4 files changed, 36 insertions(+)
(Bash completed with no output)
[timeline-rewind 850c0aa] Add timeline rewind: scroll through historical session data - claude 5 files changed, 166 insertions(+), 20 deletions(-) create mode 100644 app/client/src/lib/get-now.ts
Exit code 128 remote: Permission to simple10/agents-observe.git denied to jessitron. fatal: unable to access 'https://github.com/simple10/agents-observe/': The requested URL returned error: 403
You don't have push access to the upstream repo. Do you have a fork you'd like to push to, or should we push to a different remote?
https://github.com/jessitron/agents-observe
remote: remote: Create a pull request for 'timeline-rewind' on GitHub by visiting: remote: https://github.com/jessitron/agents-observe/pull/new/timeline-rewind remote: To https://github.com/jessitron/agents-observe.git * [new branch] timeline-rewind -> timeline-rewind branch 'timeline-rewind' set up to track 'fork/timeline-rewind'.
https://github.com/simple10/agents-observe/pull/3
workflows
release.yml
No PR template or contributing guidelines beyond what's in CONTRIBUTING.md (which we already followed — tests, formatting). No CI workflow that runs on PRs either, just a release workflow. I think we're good.