Struct MessageRecord 

pub struct MessageRecord {
    pub message_id: String,
    pub thread_id: String,
    pub seq: u64,
    pub message: Message,
    pub produced_by_run_id: Option<String>,
    pub step_index: Option<u32>,
    pub tool_call_id: Option<String>,
    pub created_at: Option<u64>,
    pub compaction: Option<CompactionMark>,
}

A message persisted as part of a thread’s append-only log.

Message remains the protocol payload. MessageRecord is the durable thread-owned view that assigns a sequence number and exposes producer relationships without making runs own message bodies.

Fields

message_id: String

Stable message identifier.

thread_id: String

Thread that owns the message.

seq: u64

1-based sequence number within the thread log.

message: Message

Message payload.

produced_by_run_id: Option<String>

Run that produced this message, if any.

step_index: Option<u32>

Step that produced this message, if known.

tool_call_id: Option<String>

Tool call this message responds to, if this is a tool result.

created_at: Option<u64>

Unix timestamp (seconds) when the message was recorded.

compaction: Option<CompactionMark>

When set, this record is a compaction summary that logically replaces the committed message interval [from_seq, to_seq] in the effective view. Originals are retained (append-only); see effective_messages.

Implementations

impl MessageRecord

pub fn from_message( thread_id: impl Into<String>, seq: u64, message: Message, ) -> MessageRecord

Build a record from a thread-owned message payload.

Trait Implementations

impl Clone for MessageRecord

fn clone(&self) -> MessageRecord

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MessageRecord

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MessageRecord

fn deserialize<__D>( __deserializer: __D, ) -> Result<MessageRecord, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MessageRecord

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.