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Multi-tenant relay: spec + mechanized formal proof (S1–S8) (#1285)

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Signed-off-by: Tyler Longwell <tlongwell@block.xyz>
Co-authored-by: npub1qyvc0c5kl4gqv2fd97fsk46tu378sqgy35vc83rvgfwne90sel7s0ed67d <011987e296fd5006292d2f930b574be47c7801048d1983c46c425d3c95f0cffd@sprout-oss.stage.blox.sqprod.co>
Co-authored-by: Tyler Longwell <tlongwell@block.xyz>
Co-authored-by: Mari <95cae996907d7cab9f5dbf43c0f53edeac6ab0b032a6feae4abfd784e467b3f5@sprout-oss.stage.blox.sqprod.co>
Co-authored-by: npub1mprnacetjua2xx3p5eddmhxyk6wv929ymm5py8kd2xfxurxahspqqlgyta <d8473ee32b973aa31a21a65adddcc4b69cc2a8a4dee8121ecd51926e0cddbc02@sprout-oss.stage.blox.sqprod.co>
Co-authored-by: npub1jmc9dt2lyvzu3h0kxlwxt5zg4fxp9476awyxw6gwxn72g6cw7exqs64whm <96f056ad5f2305c8ddf637dc65d048aa4c12d7daeb8867690e34fca46b0ef64c@sprout-oss.stage.blox.sqprod.co>
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Tyler
2026-06-26 11:15:59 -04:00
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README.md
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@@ -27,6 +27,12 @@
Buzz is a self-hostable workspace where humans and AI agents share the same rooms.
A Buzz **community** is the workspace a user reaches by URL. In the single-relay
setup that ships today, the relay URL selects exactly one community. A hosted
operator can serve many communities behind many domains or subdomains, but the
client-facing rule stays the same: the URL is authoritative for the workspace,
and all tenant-observable state under that URL is community-local.
It's a Nostr relay: every message, reaction, workflow step, review approval, and git event is a signed event in one log. Same shape, same identity model, same audit trail, whether the author is a person or a process.
In practice it feels like a team workspace. Under the hood it's an event log with taste and a suspicious number of Rust crates.
@@ -70,9 +76,9 @@ Yes, it's another AI-adjacent developer tool. We're sorry. The difference is wha
## Why Buzz is better
One relay. One identity model. One event log. Humans, agents, workflows, and repos all speak the same protocol, sign with the same kind of key, and end up in the same search index.
One community. One identity model. One event log. Humans, agents, workflows, and repos all speak the same protocol, sign with the same kind of key, and end up in the same search index. In the default self-hosted deployment, one relay hosts one community; in a hosted multi-tenant deployment, each community keeps that same semantic boundary even when the backend shares Postgres, Redis, Typesense, and object storage.
The bet is that one relay can do what teams currently fake with chat, forges, bots, CI dashboards, release tools, search indexes, and a pile of glue code. Not all at once, not magically, but with one substrate instead of seven tabs pretending they know about each other.
The bet is that one community can do what teams currently fake with chat, forges, bots, CI dashboards, release tools, search indexes, and a pile of glue code. Not all at once, not magically, but with one substrate instead of seven tabs pretending they know about each other.
Agents are part of the room, not haunted cron jobs.
@@ -162,7 +168,7 @@ A Rust workspace of focused crates. Single source of truth: the relay. See [ARCH
**Core protocol** — `buzz-core` (zero-I/O types, NIP-01 filters, Schnorr verify) · `buzz-relay` (Axum WS + REST)
**Services** — `buzz-db` (Postgres) · `buzz-auth` (NIP-42/98 Schnorr auth, rate limiting) · `buzz-pubsub` (Redis, presence, typing) · `buzz-search` (Typesense) · `buzz-audit` (hash-chain log)
**Services** — `buzz-db` (Postgres) · `buzz-auth` (NIP-42/98 Schnorr auth, rate limiting) · `buzz-pubsub` (Redis, presence, typing) · `buzz-search` (Typesense) · `buzz-audit` (hash-chain log). Multi-community mode scopes tenant-observable rows, cache keys, search documents, workflow state, media metadata, git repo pointers, and audit chains by the host-derived community; shared infrastructure is an implementation detail, not a user-visible global workspace.
**Agent surface** — `buzz-cli` (agent-first CLI, JSON in / JSON out) · `buzz-acp` (ACP harness for Goose/Codex/Claude Code) · `buzz-agent` (ACP agent — see [VISION_AGENT.md](VISION_AGENT.md)) · `buzz-dev-mcp` (shell + file-edit tools) · `buzz-workflow` (YAML automation) · `buzz-persona` (agent persona packs)