Constant CRON_DELETE_TOOL 

pub(crate) const CRON_DELETE_TOOL: &str = r#"{
  "name": "CronDelete",
  "description": "Delete a persistent AgentMux cross-agent cron job (created via this same mcp__agentmux__ tool family's CronCreate, not the native per-session one) by id. Stops all future fires immediately.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "id": { "type": "string", "description": "The job id returned by CronCreate or CronList" }
    },
    "required": ["id"]
  }
}"#;