[FE-06] Build Live Occupancy Counter Widget with WebSocket connection

[devwums]

Problem

Members viewing a workspace detail page cannot see real-time occupancy — the count only updates on page refresh. There is no live connection to the backend WebSocket.

Proposed Solution

Create frontend/cntr/LiveOccupancy/LiveOccupancyWidget.tsx and frontend/cntr/LiveOccupancy/useWebSocket.ts. The hook connects to a WebSocket URL and exposes { data, status: 'connecting' | 'open' | 'closed' }. The widget listens for occupancy_update events. Props: wsUrl: string, capacity: number. All implementation must live inside frontend/cntr/.

Acceptance Criteria

• Files: LiveOccupancyWidget.tsx and useWebSocket.ts in frontend/cntr/LiveOccupancy/
• Displays "{current} / {capacity} occupied"
• Green when < 70% full, yellow 70–89%, red ≥ 90%
• Shows "Connecting…" while WebSocket is in connecting state
• useWebSocket calls ws.close() on component unmount
• Test in LiveOccupancyWidget.test.tsx with a mocked WebSocket

[RUKAYAT-CODER]

@RUKAYAT-CODER has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi, am a full stack developer, can i work on this task.
ETA:6hrs

ℹ️ Repo Maintainers: To accept this application, review their application or assign @RUKAYAT-CODER to this issue.

[Nimatstar]

@Nimatstar has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi am a full stack developer, i build solutions that are maintainable and robust. I will like to work on this task.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Nimatstar to this issue.

[walexjnr]

@walexjnr has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

hi, can I work on this task.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @walexjnr to this issue.

[drips-wave]

Congratulations, @walexjnr! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @walexjnr: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊