use serde::{Deserialize, Serialize};
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum CausalRef {
Turn {
session_id: String,
turn_id: String,
},
Effect {
session_id: String,
#[serde(default, skip_serializing_if = "Option::is_none")]
turn_id: Option<String>,
effect_id: String,
},
ToolCall {
session_id: String,
call_id: String,
},
Process {
process_id: String,
},
ProcessEvent {
process_id: String,
sequence: u64,
},
HostEvent {
occurrence_id: String,
},
SessionNode {
session_id: String,
node_id: String,
},
}