OPENCODE: ACP (Agent Client Protocol) server bridge

[Hmbown]

Summary

Implement Agent Client Protocol on app-server; deepseek becomes a backend for Zed and any ACP-aware client.

Acceptance criteria

• Zed connects via ACP.
• Basic chat, tool execution, and diagnostics flow.
• Spec compliance tests.

Files

new crates/agent-client-protocol/ or extend crates/protocol/

Size

L

Source

Source tag: OPENCODE. Add exact upstream/opencode source links during implementation if they are not already known. Do not copy external code blindly; port the behavior into this repo's architecture.

Filed from 2026-05-02 v0.8.8 intake.