From e1feb5be542dc3f171ceff15b9a5ecc7b2b82d39 Mon Sep 17 00:00:00 2001
From: BlueBlueSloth <lanseshuta@gmail.com>
Date: Sat, 7 Feb 2026 11:49:35 +0800
Subject: [PATCH] feat(acp): expose subagents in available modes response

- Add optional mode field to ModeOption type
- Remove subagent filter, let clients decide visibility
- Enables ACP clients to access subagent info for @mentions
---
 packages/opencode/src/acp/agent.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/opencode/src/acp/agent.ts b/packages/opencode/src/acp/agent.ts
index f38731676ce..4315486a6bd 100644
--- a/packages/opencode/src/acp/agent.ts
+++ b/packages/opencode/src/acp/agent.ts
@@ -43,7 +43,7 @@ import { LoadAPIKeyError } from "ai"
 import type { AssistantMessage, Event, OpencodeClient, SessionMessageResponse } from "@opencode-ai/sdk/v2"
 import { applyPatch } from "diff"
 
-type ModeOption = { id: string; name: string; description?: string }
+type ModeOption = { id: string; name: string; description?: string; mode?: string }
 type ModelOption = { modelId: string; name: string }
 
 const DEFAULT_VARIANT_VALUE = "default"
@@ -1052,11 +1052,12 @@ export namespace ACP {
         .then((resp) => resp.data!)
 
       return agents
-        .filter((agent) => agent.mode !== "subagent" && !agent.hidden)
+        .filter((agent) => !agent.hidden)
         .map((agent) => ({
           id: agent.name,
           name: agent.name,
           description: agent.description,
+          mode: agent.mode,
         }))
     }