UUSMenderMediated messaging
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Matrix-core repair messenger

USMender starts with the message.

Matrix becomes the local room engine. USMender becomes the client, the workflow, and the safety layer around it: private drafts, mediated previews, approved shared messages, and mobile-first rooms.

Open inboxStart roomSign in
Inbox
Apartment repair2 people - Matrix room local
Rewrite ready2
Weekend planningInvite accepted
Needs first reply
Check-in habitFollow-up tomorrow
Agreement live
Apartment repairShared Matrix room - private drafts on
Mediator online
I can talk tonight. I want this to feel fair, not like we are keeping score.
Raw draft saved privately in USMender.
Rewrite ready: I need more notice before plans change, and I want us to choose a simple way to check in before decisions are final.
Approval previewSend the mediated version to Matrix
Review
Local Matrix core
Synapse is the durable room engine. USMender owns the flow users actually touch.
USMender clients
The mobile-first web app and iOS client show USMender, not a generic Matrix interface.
RAG in the send path
Retrieval, safety, mediator rewrite, proposals, and memory run as message jobs.
Message pipeline

Every shared message is a deliberate local Matrix event.

1
Private draft
Raw text stays in USMender, outside the Matrix room.
2
Safety and retrieval
Room history, agreements, and boundaries shape the rewrite.
3
Approval preview
The sender approves the exact shared wording.
4
Matrix event
Only the approved message enters the local room.
Rebuilt app plan

Matrix stays updateable. USMender stays the experience.

Phase 0
Harden the current local bridge: inbox, thread, drafts, approvals, and event ledger.
Phase 1
Move posting, reads, delivery, and presence behind a Matrix-ready provider interface.
Phase 2
Add local Synapse and a USMender appservice as the core messaging engine.
Phase 3
Polish the PWA and native mobile clients around the thread-first workflow.
Safety contract

Raw drafts stay private. Matrix rooms stay intentional.

Trust settings

USMender owns the composer so the mediator can pause unsafe drafts, retrieve the right context, and ask for approval before anything reaches the local Matrix room.