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Ezra (Archivist) 3e25474e56 [ezra] ADRs + Execution KT for Matrix/Conduit (#183 , #166 )

- Add 5 standalone ADRs in infra/matrix/docs/adr/
- Add EXECUTION_ARCHITECTURE_KT.md: exact path from DNS decision to fleet ops
- Architecture proof and continuity preserved

2026-04-05 18:20:46 +00:00

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ADR-001: Homeserver Selection — Conduit

Status: Accepted
Date: 2026-04-05
Deciders: Ezra (architect), Timmy Foundation
Scope: Matrix homeserver for human-to-fleet encrypted communication (#166, #183)

Context

We need a Matrix homeserver to serve as the sovereign operator surface. Options:

Synapse (Python, mature, resource-heavy)
Dendrite (Go, lighter, beta federation)
Conduit (Rust, lightweight, SQLite support)

Decision

Use Conduit as the Matrix homeserver.

Consequences

Positive	Negative
Low RAM/CPU footprint (~200 MB)	Smaller ecosystem than Synapse
SQLite option eliminates Postgres ops	Some edge-case federation bugs
Single binary, simple systemd service	Admin tooling less mature
Full federation support

Alternatives Considered

Synapse: Rejected due to Python overhead and mandatory Postgres complexity.
Dendrite: Rejected due to beta federation status; we need reliable federation from day one.

References

Issue: #166
Issue: #183
Conduit docs: https://conduit.rs/

1.2 KiB Raw Blame History