Add Zed adapter (join + host/share)

.gitignore

@@ -4,6 +4,7 @@ coverage/
 playwright-report/
 test-results/
 target/
+packages/zed/target/
 .multi-agent/
 *.env
 *.env.local

CHANGELOG.md

@@ -4,8 +4,9 @@
 
 - Session access control: host approval, required display names, repo/email/domain gates (`session.policy` / `auth.pending` / `host.approve|deny`)
 - Configurable git remote prefixes and host rewrites; layered `chorus.json` org settings
-- Hybrid OpenCode security e2e, VS Code adapter e2e, and Cloud Agent install script
+- Hybrid OpenCode security e2e, VS Code/Zed adapter e2e, and Cloud Agent install script
 - VS Code extension (`packages/vscode`) — share/join/chat; Session sidebar; approve/deny
+- Zed joiner extension (`packages/zed`) + `chorus-zed-helper` (MCP/CLI)
 - Extract `@chorus/client` (`JoinClient` + `RelayServer`) for reuse by OpenCode, VS Code, and future adapters
 - Real-time shared transcript for all agents: fan out collaborator prompts to every joiner, abort joiner local LLM, mirror `[Host]`/`[name]`/`[AI]` (prefer web UI for live view)
 - Joiner mirrors host prompts and AI replies into its OpenCode session transcript (`[Host]:` / `[AI]:`), including history replay on join (replaces toast-only viewing)

Cargo.toml

@@ -1,6 +1,8 @@
 [workspace]
 resolver = "2"
-members = ["crates/chorus-relay"]
+members = ["crates/chorus-relay", "crates/chorus-zed-helper"]
+exclude = ["packages/zed"]
+# packages/zed is a standalone Zed extension (wasm32-wasip2) built by Zed / cargo --target.
 
 [workspace.package]
 edition = "2021"

README.md

@@ -11,7 +11,7 @@ Collaborative OpenCode session sharing. Pair-program a live AI session from anot
 
 ## How it works
 
-Chorus is an [OpenCode](https://github.com/sst/opencode) plugin (plus a VS Code adapter) and a **Rust WebSocket relay** (`chorus-relay`).
+Chorus is an [OpenCode](https://github.com/sst/opencode) plugin (plus VS Code / other adapters) and a **Rust WebSocket relay** (`chorus-relay`).
 
 ```
 Host runs opencode                 → plugin loads
@@ -52,22 +52,27 @@ One monorepo, two ecosystems, one wire contract:
 | `packages/plugin` | npm `@chorus/plugin` | OpenCode plugin — tools, hooks, spawns/manages relay |
 | `packages/client` | npm `@chorus/client` | Shared `JoinClient` + `RelayServer` for host adapters |
 | `packages/vscode` | VS Code extension `chorus` | Share/join Chorus sessions from VS Code |
+| `packages/zed` | Zed extension `chorus` | Joiner adapter (WASM + MCP → `chorus-zed-helper`) |
 | `packages/shared` | npm `@chorus/shared` | TypeScript types + codecs for joiner and host-control protocols |
 | `crates/chorus-relay` | `chorus-relay` binary | Rust WebSocket relay (`/ws` joiners, `/host` control plane) |
+| `crates/chorus-zed-helper` | `chorus-zed-helper` binary | Native Chorus join client (CLI + MCP) for Zed |
 | `protocol/` | fixtures (not published) | Canonical JSON examples both TS and Rust must deserialize |
 
-Root `package.json` scripts are the only task entry (`build`, `test`, `typecheck`). Bun workspaces own `packages/*`; Cargo owns `crates/*`.
+Root `package.json` scripts are the only task entry (`build`, `test`, `typecheck`). Bun workspaces own `packages/*`; Cargo owns `crates/*` (Zed’s `packages/zed` is built separately for `wasm32-wasip2`).
 
 ## Development
 
 ```sh
 bun install
-bun run build          # release relay + TS packages
-bun run test           # relay tests + TS/Bun tests (includes protocol fixtures)
+bun run build          # release relay + helper + TS packages
+bun run test           # relay/helper tests + TS/Bun tests (includes protocol fixtures)
 bun run typecheck
 cargo test -p chorus-relay
+cargo test -p chorus-zed-helper
 ```
 
+Zed joiner (optional): see [packages/zed/README.md](packages/zed/README.md) for Install Dev Extension + `chorus-zed-helper` setup.
+
 ### Multi-agent local testing
 
 Run several isolated OpenCode servers on one machine (each with Chorus loaded) and drive share/join over the HTTP API:

crates/chorus-zed-helper/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "chorus-zed-helper"
+version = "0.1.0"
+edition.workspace = true
+license.workspace = true
+authors.workspace = true
+description = "Native Chorus join/host helper for the Zed extension (CLI + MCP)"
+publish = false
+
+[[bin]]
+name = "chorus-zed-helper"
+path = "src/main.rs"
+
+[dependencies]
+chorus-relay = { path = "../chorus-relay" }
+clap = { version = "4", features = ["derive", "env"] }
+futures-util = "0.3"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+tokio = { version = "1", features = ["full"] }
+tokio-tungstenite = "0.26"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+url = "2"
+
+[dev-dependencies]
+chorus-relay = { path = "../chorus-relay" }
+tokio-tungstenite = "0.26"
+futures-util = "0.3"