---
title: "3DARCH-EP-5 — Communicate in Spatial Context"
description: "Review the governed outcome and child Features for 3DARCH-EP-5."
---

# Communicate in Spatial Context

| Epic | Delivery status | Status source | Owner | Approved for Solution |
|---|---|---|---|---|
| `3DARCH-EP-5` | `IN_BACKLOG` | `DERIVED` | 3D Architecture Wizzard team | No |

## Goal

Enable floor-scoped text with speech bubbles and push-to-talk voice with proximity-reflective volume and speaking indicators.

## Benefit

People can coordinate through visible text and natural nearby conversation in the context where they are working.

## Problem or opportunity

Participants need fast written and spoken communication without leaving the shared 3D environment.

## Constraints

- Only materially implemented legacy behavior is included; planned-only capabilities remain outside the approved catalogue.

## Features

- [3DARCH-FT-21 — Exchange floor-scoped text conversation](./3darch-ep-5/features/3darch-ft-21.md)
- [3DARCH-FT-22 — Speak with push-to-talk and spatial cues](./3darch-ep-5/features/3darch-ft-22.md)

These Features are approved for documentation only. Each remains outside Architecture solution work until a separate human **Approved for Solution** decision is recorded.

## Original source

- [Legacy-analysis request — RootAtSkic](https://discord.com/channels/1518726359512387766/1543925247361814568/1544617403160465409)
- [Catalogue documentation approval — Linas](https://discord.com/channels/1518726359512387766/1543925247361814568/1544641572975673394)

### Legacy implementation evidence

The catalogue was mined from legacy revision `c0ced47ecaf4426f47e5c2e4868677f7144b951a`.

- [`apps/nebula/src/components/Chat/Chat.tsx`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/components/Chat/Chat.tsx)
- [`apps/nebula/src/components/SpeechBubble.tsx`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/components/SpeechBubble.tsx)
- [`apps/singularity/src/socket-server/chat-handler.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/singularity/src/socket-server/chat-handler.ts)
- [`apps/nebula/src/hooks/useVoiceChat.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/hooks/useVoiceChat.ts)
- [`apps/singularity/src/socket-server/voice-handler.ts`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/singularity/src/socket-server/voice-handler.ts)
- [`apps/nebula/src/components/VoiceIndicator.tsx`](https://gitea.lego-cloud.eu/corp-v1-3darch-legacy/corp-v1-3darch-legacy/src/commit/c0ced47ecaf4426f47e5c2e4868677f7144b951a/apps/nebula/src/components/VoiceIndicator.tsx)