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---
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)