Function emitServerRpcClasses

scripts/codegen/csharp.ts:1712–1760

* Emit ServerRpc as an instance class (like SessionRpc but without sessionId).

(node: Record<string, unknown>, classes: string[])

 * Emit ServerRpc as an instance class (like SessionRpc but without sessionId).
 */
function emitServerRpcClasses(node: Record<string, unknown>, classes: string[]): string[] {
    const result: string[] = [];

    // Find top-level groups (e.g. "models", "tools", "account")
    const groups = Object.entries(node).filter(([, v]) => typeof v === "object" && v !== null && !isRpcMethod(v));
    // Find top-level methods (e.g. "ping")
    const topLevelMethods = Object.entries(node).filter(([, v]) => isRpcMethod(v));

    // ServerRpc class
    const srLines: string[] = [];
    srLines.push(`/// <summary>Provides server-scoped RPC methods (no session required).</summary>`);
    srLines.push(`public sealed class ServerRpc`);
    srLines.push(`{`);
    srLines.push(`    private readonly JsonRpc _rpc;`);
    srLines.push("");
    srLines.push(`    internal ServerRpc(JsonRpc rpc)`);
    srLines.push(`    {`);
    srLines.push(`        _rpc = rpc;`);
    srLines.push(`    }`);

    // Top-level methods (like ping)
    for (const [key, value] of topLevelMethods) {
        if (!isRpcMethod(value)) continue;
        emitServerInstanceMethod(key, value, srLines, classes, "    ", false, false);
    }

    // Group properties
    for (const [groupName] of groups) {
        const propertyName = toPascalCase(groupName);
        srLines.push("");
        srLines.push(`    /// <summary>${propertyName} APIs.</summary>`);
        srLines.push(
            `    public Server${propertyName}Api ${propertyName} =>`,
            `        field ??`,
            `        Interlocked.CompareExchange(ref field, new(_rpc), null) ??`,
            `        field;`
        );
    }

    srLines.push(`}`);
    result.push(srLines.join("\n"));

    // Per-group API classes
    for (const [groupName, groupNode] of groups) {
        result.push(...emitServerApiClass(`Server${toPascalCase(groupName)}Api`, groupNode as Record<string, unknown>, classes));
    }

    return result;
}

function emitServerApiClass(className: string, node: Record<string, unknown>, classes: string[]): string[] {
    const parts: string[] = [];