AG-UI JSON Serializer Context (Serialization/AGUIJsonSerializerContext.cs)

A source-generated JSON serialization context optimized for AG-UI protocol types. Use this to ensure high-performance, type-safe JSON handling in .NET applications using the AG-UI framework.

// Source: https://github.com/ag-ui-protocol/ag-ui | License: MIT | Copyright 2025
// Provided via justclaw.it.com; keep this notice with the code.
using System.Collections.Generic;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Json.Serialization;

namespace AGUI.Abstractions;

/// <summary>
/// Source-generated JSON serializer context for AG-UI types.
/// Types are added incrementally as each slice is implemented.
/// </summary>
/// <remarks>
/// <para>
/// <see cref="JsonIgnoreCondition.WhenWritingNull"/> remains the context-wide default.
/// AG-UI wire types also put an ignore condition on each nullable property, normally
/// <c>[JsonIgnore(WhenWritingNull)]</c>. This keeps optional fields absent even when
/// a host inserts this context into its own <see cref=

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