openclaw - 💡(How to fix) Fix [Feature]: Per-DM/per-chat default ACP binding for auto-spawning ACP sessions on new topics [1 participants]

[Feature]: Per-DM/per-chat default ACP binding for auto-spawning ACP sessions on new topics

Problem

When using Telegram DM forum topics with ACP agents (Claude Code, Codex, etc.), every new topic requires manually running /acp spawn claude or asking the main agent to spawn an ACP session. There is no way to configure a DM chat so that new topics automatically bind to an ACP agent.

Proposed solution

Add a defaultAcp config option to TelegramDirectConfig (and potentially TelegramGroupConfig) that auto-spawns an ACP session when a new topic/thread is created.

Config example

{
  "channels": {
    "telegram": {
      "direct": {
        "63448508": {
          "defaultAcp": {
            "agent": "claude",
            "mode": "persistent",
            "cwd": "/workspace/default"
          }
        }
      }
    }
  }
}

Behavior

1. User creates a new topic in Telegram DM with the bot
2. On first message in the new topic, OpenClaw detects no existing ACP binding
3. OpenClaw auto-spawns an ACP session using defaultAcp config
4. The topic is bound to that ACP session
5. All subsequent messages in the topic route directly to the ACP agent
6. Topics with explicit per-topic config (topics.<id>.agentId) should override defaultAcp

Scope

• TelegramDirectConfig.defaultAcp - for DM topics
• TelegramGroupConfig.defaultAcp - for group forum topics
• Could also be a top-level TelegramAccountConfig.defaultAcp for account-wide default

Alternatives considered

• Static bindings per topic: Works but requires manual config for each topic ID upfront
• Main agent with auto-spawn system prompt: Wastes a main agent turn just to spawn ACP
• /acp spawn in every new topic: Manual friction, defeats the purpose of topics as lightweight sessions

Related

• Thread bindings: threadBindings.spawnAcpSessions
• Existing ACP binding model: bindings[].type="acp"
• Per-topic agentId routing: topics.<id>.agentId