[Deliverable] Create demo chat app in Logos Core for messaging over libp2p mix

[jm-clius]

Owner: AnonComms Mix

FURPS:

• U5. A Logos Core demo chat app showcases message publishing over libp2p mix
• U6. The Logos Core demo chat app discovers mix nodes using libp2p kad-dht discovery with filtering

Notes:

This deliverable is aimed for inclusion in the Logos testnet in Feb 2026.
It showcases basic publishing over mix for Logos Core,
and building mix paths using libp2p kad-dht as underlying discovery mechanism.
Sybil and DoS protection is out of scope for this deployment.

Checklist:

• Code: link to GitHub issues/PRs/Epic
• Dogfood: link to dogfooding session/artefact
• Docs: links to README.md or other docs

[chaitanyaprem]

logos-co/logos-chat-ui#4 - Chat App for demo
logos-co/logos-chat-module#1 - Chat module changes for demo
logos-co/logos-waku-module#4 - Logos-messaging module changes for demo

[chaitanyaprem]

Doc packet for docs team
Link for dogfooding