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[Info   :BepInEx] Deep Synergy Multiplayer Mod v2.1.0 loaded
[Info   :DeepSynergy] Session Manager initialized
[Info   :DeepSynergy] State Synchronizer ready

{
  "session_name": "Ocean Explorers",
  "max_players": 4,
  "difficulty_scale": "adaptive",
  "resource_multiplier": 1.5,
  "oxygen_consumption": 0.85,
  "creature_spawn_divider": 2,
  "enable_pvp": false,
  "friendly_fire": false,
  "shared_blueprints": true,
  "ping_locations_shared": true,
  "time_of_day_sync": "all",
  "voice_chat_integration": "discord_rpc",
  "network": {
    "port_range": "7777-7787",
    "timeout_seconds": 30,
    "max_latency_ms": 200
  },
  "api_integration": {
    "openai": {
      "enabled": false,
      "role": "narrator",
      "api_key_env": "OPENAI_API_KEY"
    },
    "claude": {
      "enabled": false,
      "role": "lore_engine",
      "api_key_env": "ANTHROPIC_API_KEY"
    }
  }
}

{
  "locale": "en_US",
  "locale_override": true
}

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using DeepSynergy.Core;
using BepInEx;
using UnityEngine;

[BepInPlugin("com.yourmod.extension", "Session Extension", "1.0.0")]
public class SessionExtension : BaseUnityPlugin
{
    private SessionManager sessionManager;
    
    void Awake()
    {
        // Get Deep Synergy session manager
        sessionManager = SessionManager.Instance;
        
        // Subscribe to session events
        sessionManager.OnPlayerJoined += HandlePlayerJoined;
        sessionManager.OnStateSync += HandleStateSync;
    }
    
    void HandlePlayerJoined(PlayerInfo player)
    {
        Logger.LogInfo($"Player {player.DisplayName} joined");
        
        // Access session configuration
        var config = sessionManager.Config;
        if (config.SharedBlueprints)
        {
            SyncBlueprintsToPlayer(player);
        }
    }
    
    void HandleStateSync(SyncEvent syncEvent)
    {
        // Process synchronized state updates
        if (syncEvent.Type == SyncType.Inventory)
        {
            VerifyInventoryIntegrity(syncEvent.MerkleHash);
        }
    }
    
    void SyncBlueprintsToPlayer(PlayerInfo player)
    {
        var blueprints = BlueprintManager.GetUnlockedBlueprints();
        sessionManager.SendToPlayer(player.Id, blueprints);
    }
    
    void VerifyInventoryIntegrity(string merkleHash)
    {
        var localHash = InventoryHasher.ComputeMerkleRoot();
        if (localHash != merkleHash)
        {
            Logger.LogWarning("Inventory desync detected, requesting full sync");
            sessionManager.RequestFullSync();
        }
    }
}

using DeepSynergy.Scaling;

public class CustomScalingRule : IScalingRule
{
    public void ApplyScaling(int playerCount)
    {
        var config = SessionManager.Instance.Config;
        
        // Custom resource scaling
        float resourceScale = config.ResourceMultiplier * Mathf.Sqrt(playerCount);
        ResourceSpawner.SetGlobalMultiplier(resourceScale);
        
        // Creature spawn reduction
        int spawnDivider = config.CreatureSpawnDivider * playerCount;
        CreatureManager.SetSpawnRateDivider(spawnDivider);
        
        // Oxygen efficiency boost
        float oxygenMod = config.OxygenConsumption / Mathf.Log(playerCount + 1);
        PlayerOxygenSystem.SetConsumptionRate(oxygenMod);
    }
}

// Register custom rule
ScalingEngine.RegisterRule(new CustomScalingRule());

using DeepSynergy.Sync;

public class InventorySyncHook : MonoBehaviour
{
    void OnItemPickup(Item item)
    {
        // Create sync event
        var syncData = new InventorySyncData
        {
            PlayerId = LocalPlayer.Id,
            ItemId = item.TechType,
            Quantity = 1,
            Timestamp = NetworkTime.CurrentTime
        };
        
        // Broadcast to peers
        StateSynchronizer.BroadcastEvent(syncData);
    }
    
    void OnItemCraft(TechType techType)
    {
        if (SessionManager.Instance.Config.SharedBlueprints)
        {
            // Unlock for all players
            var unlockData = new BlueprintUnlockData
            {
                TechType = techType,
                UnlockedBy = LocalPlayer.Id
            };
            
            StateSynchronizer.BroadcastUnlock(unlockData);
        }
    }
}

void OnHostDisconnect()
{
    if (SessionManager.Instance.IsHost)
    {
        // Current host is disconnecting, migrate session
        var nextHost = SessionManager.Instance.GetNextEligibleHost();
        
        if (nextHost != null)
        {
            Logger.LogInfo($"Migrating host to {nextHost.DisplayName}");
            SessionManager.Instance.MigrateHostTo(nextHost.Id);
            
            // Transfer session state
            var sessionState = SessionStateSerializer.Capture();
            SessionManager.Instance.SendStateSnapshot(nextHost.Id, sessionState);
        }
        else
        {
            Logger.LogWarning("No eligible host for migration, ending session");
            SessionManager.Instance.EndSession();
        }
    }
}

void ResolveInventoryConflict(InventoryConflict conflict)
{
    // Timestamp-based authority
    var localTimestamp = conflict.LocalEvent.Timestamp;
    var remoteTimestamp = conflict.RemoteEvent.Timestamp;
    
    if (remoteTimestamp > localTimestamp)
    {
        // Remote event is newer, apply it
        ApplyInventoryEvent(conflict.RemoteEvent);
    }
    else if (remoteTimestamp < localTimestamp)
    {
        // Local event is newer, broadcast to override
        StateSynchronizer.BroadcastEvent(conflict.LocalEvent, priority: true);
    }
    else
    {
        // Exact tie, use player ID as tiebreaker
        if (conflict.RemoteEvent.PlayerId > conflict.LocalEvent.PlayerId)
        {
            ApplyInventoryEvent(conflict.RemoteEvent);
        }
    }
}

using System.Net.Http;
using Newtonsoft.Json;

public class NarrativeEngine
{
    private static readonly HttpClient client = new HttpClient();
    
    public async Task<string> GenerateNarrative(string context)
    {
        var apiKey = Environment.GetEnvironmentVariable("OPENAI_API_KEY");
        if (string.IsNullOrEmpty(apiKey))
        {
            Logger.LogWarning("OPENAI_API_KEY not set");
            return null;
        }
        
        client.DefaultRequestHeaders.Authorization = 
            new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", apiKey);
        
        var request = new
        {
            model = "gpt-4",
            messages = new[]
            {
                new { role = "system", content = "You are a narrative generator for Subnautica 2 multiplayer sessions." },
                new { role = "user", content = $"Generate a journal entry: {context}" }
            },
            max_tokens = 150
        };
        
        var response = await client.PostAsync(
            "https://api.openai.com/v1/chat/completions",
            new StringContent(JsonConvert.SerializeObject(request), System.Text.Encoding.UTF8, "application/json")
        );
        
        var result = JsonConvert.DeserializeObject<dynamic>(
            await response.Content.ReadAsStringAsync()
        );
        
        return result.choices[0].message.content;
    }
}

/network_diagnostics

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**Solution:**
1. Reinstall BepInEx 6.0.x IL2CPP variant
2. Remove conflicting mods from `plugins/` folder
3. Verify game version matches mod compatibility (check release notes)

{
  "max_players": 4,
  "creature_spawn_divider": 3,
  "resource_multiplier": 2.0,
  "network": {
    "state_update_hz": 10,
    "position_update_hz": 20,
    "inventory_sync_batch": true
  },
  "optimization": {
    "async_state_processing": true,
    "threaded_merkle_computation": true,
    "delta_compression": true
  }
}

void Update()
{
    var perfStats = SessionManager.Instance.GetPerformanceStats();
    
    if (perfStats.AverageLatency > 150)
    {
        Logger.LogWarning($"High latency detected: {perfStats.AverageLatency}ms");
    }
    
    if (perfStats.PacketLossRate > 0.05)
    {
        Logger.LogWarning($"Packet loss: {perfStats.PacketLossRate * 100}%");
    }
}

using DeepSynergy.Events;

// Define custom event
public class BaseConstructedEvent : ISyncEvent
{
    public string PlayerId { get; set; }
    public Vector3 Position { get; set; }
    public string BasePartType { get; set; }
    public long Timestamp { get; set; }
}

// Broadcast custom event
void OnBasePartPlaced(BasePartType type, Vector3 position)
{
    var evt = new BaseConstructedEvent
    {
        PlayerId = LocalPlayer.Id,
        Position = position,
        BasePartType = type.ToString(),
        Timestamp = NetworkTime.CurrentTime
    };
    
    StateSynchronizer.BroadcastCustomEvent(evt);
}

// Handle custom event
void OnCustomEventReceived(ISyncEvent evt)
{
    if (evt is BaseConstructedEvent baseEvt)
    {
        Logger.LogInfo($"Player {baseEvt.PlayerId} built {baseEvt.BasePartType}");
    }
}