Pause an agent. Free the GPU.

using LMKit.Inference;
using LMKit.TextGeneration;

var chat = new MultiTurnConversation(model);
await chat.SubmitAsync("Walk me through the Q3 financials.");
await chat.SubmitAsync("What changed in operating expenses?");

// User goes idle. Free the GPU; keep the conversation.
if (chat is IKVCache cache && cache.Residency == ContextResidency.InMemory)
{
    _ = cache.HibernateAsync();   // fire-and-forget
}

// 90 minutes later. Same chat object. No special handling.
await chat.SubmitAsync("And the gross margin?");
// Cache rehydrates transparently. Hibernation file is deleted on success.

using LMKit.Global;

// Redirect hibernation files to per-tenant encrypted storage.
Configuration.ContextHibernationDirectory = @"D:\encrypted\hibernate";

// Or override per-call with an explicit path.
if (chat is IKVCache cache)
{
    await cache.HibernateAsync($@"D:\tenants\{tenantId}\sessions\{sessionId}.lmk-state");
}

// Production pattern: hibernate sessions idle for more than N minutes.
var sessions = _sessionRegistry.GetAll();
var threshold = TimeSpan.FromMinutes(15);

foreach (var session in sessions)
{
    if (session.IdleFor < threshold) continue;
    if (session.Chat is not IKVCache cache) continue;
    if (cache.Residency != ContextResidency.InMemory) continue;

    _ = cache.HibernateAsync();   // reclaim memory in the background
}