会话记忆、心跳和技能门禁

arka session-memory append "Prefers morning standups at 9am"
arka session-memory append "Always use dark terminal theme" --long-term
arka session-memory search standup
arka session-memory context "plan my morning routine"
arka session-memory status
arka session-memory clear                # 今日日记笔记
arka session-memory clear --long-term    # 重置 MEMORY.md
arka session-memory clear --all

arka heartbeat status
arka heartbeat ping goal.completed
arka heartbeat history
arka heartbeat history --json --limit 10

{
  "name": "my_skill",
  "requires": {
    "bins": ["ffmpeg"],
    "anyBins": ["docker", "podman"],
    "env": ["MY_API_KEY"]
  },
  "os": ["darwin", "linux"],
  "permissions": ["read", "network"]
}

{
  "name": "my_skill",
  "metadata": {
    "openclaw": {
      "requires": { "env": ["MY_API_KEY"] },
      "os": ["darwin"],
      "permissions": ["network"]
    }
  }
}