Agent Client Protocol - v0.12.0
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    Type Alias SessionInfoUpdate

    Update to session metadata. All fields are optional to support partial updates.

    Agents send this notification to update session information like title or custom metadata. This allows clients to display dynamic session names and track session state changes.

    type SessionInfoUpdate = {
        _meta?: { [key: string]: unknown } | null;
        title?: string | null;
        updatedAt?: string | null;
    }
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    Properties

    _meta? title? updatedAt?

    Properties

    Optional_meta

    _meta?: { [key: string]: unknown } | null

    The _meta property is reserved by ACP to allow clients and agents to attach additional metadata to their interactions. Implementations MUST NOT make assumptions about values at these keys.

    See protocol docs: Extensibility

    title?: string | null

    Human-readable title for the session. Set to null to clear.

    updatedAt?: string | null

    ISO 8601 timestamp of last activity. Set to null to clear.

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