ACP seems to be broken

[marton78]

Describe the bug

From the command line, Dirac works fine, but when run via ACP from within Zed, it doesn't answer.

Versions used: Zed 1.3.6 (newest), Dirac 0.3.44

To Reproduce

1. Install and set up Dirac
2. Ensure it works in the command line
3. Install official ACP from the Zed registry
4. Tell it to "say hello"

Expected behavior

Any answer

Observed behavior

1. Waiting forever for an answer.

   

2. Once archived, the thread cannot be restored from history

In the ACP logs, there is nothing interesting:

[
  {
    "_direction": "outgoing",
    "_type": "request",
    "id": "e26a0048-3b82-4d4f-950b-134f76309644",
    "method": "session/prompt",
    "params": {
      "sessionId": "415527ad-adf9-4511-acd0-9cfdd6f8207f",
      "prompt": [
        {
          "type": "text",
          "text": "say hello"
        }
      ]
    }
  },
  {
    "_direction": "outgoing",
    "_type": "notification",
    "id": null,
    "method": "session/cancel",
    "params": {
      "sessionId": "415527ad-adf9-4511-acd0-9cfdd6f8207f"
    }
  },
  {
    "_direction": "incoming",
    "_type": "response",
    "id": "e26a0048-3b82-4d4f-950b-134f76309644",
    "method": "session/prompt",
    "params": {
      "stopReason": "end_turn"
    }
  }
]

[dirac-run]

Thanks!

@pleibers had done some work on making ACP work recently. Tagging him in case he knows what might be the reason.