feat: Unity MCP-Server Integration pro Session

Sessions können jetzt einen Unity MCP-Server (URL + Token) konfigurieren.
Die CLI erhält automatisch die MCP-Config mit korrektem Transport-Typ
(URL-basierte Erkennung: /sse → SSE, sonst HTTP für streamableHttp).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Endpoints/ChatEndpoint.cs

@@ -245,7 +245,7 @@ public static class ChatEndpoint
                 {
                     if (anthropic.IsCliAvailable)
                     {
-                        await anthropic.StreamChatViaCli(res, ctx.ModelId, ctx.SystemPrompt, messages, ctx.ChainId, workspace: ctx.Workspace, allowUserChoice: ctx.Agent?.AllowUserChoice ?? true, planMode: body.PlanMode, webSearch: !string.IsNullOrEmpty(ctx.WebSearchVersion), sessionId: sessionId, agentId: ctx.AgentId, remoteMgr: remoteMgr, workCt: workCt, sseCt: sseCt);
+                        await anthropic.StreamChatViaCli(res, ctx.ModelId, ctx.SystemPrompt, messages, ctx.ChainId, workspace: ctx.Workspace, allowUserChoice: ctx.Agent?.AllowUserChoice ?? true, planMode: body.PlanMode, webSearch: !string.IsNullOrEmpty(ctx.WebSearchVersion), sessionId: sessionId, agentId: ctx.AgentId, remoteMgr: remoteMgr, unityMcpUrl: ctx.Session?.UnityMcpUrl, unityMcpToken: ctx.Session?.UnityMcpToken, workCt: workCt, sseCt: sseCt);
                     }
                     else
                     {

Endpoints/SessionEndpoint.cs

@@ -80,6 +80,8 @@ public static class SessionEndpoint
                 s.MaxReviewIterations,
                 s.FinalizerAgentId,
                 s.PreparerAgentId,
+                s.UnityMcpUrl,
+                s.UnityMcpToken,
                 s.IsDeleted,
                 s.CreatedAt,
                 s.UpdatedAt,

Models/SessionRecord.cs

@@ -23,6 +23,8 @@ public class SessionRecord
     public int MaxReviewIterations { get; set; } = 3;
     public string FinalizerAgentId { get; set; }
     public string PreparerAgentId { get; set; }
+    public string UnityMcpUrl { get; set; }
+    public string UnityMcpToken { get; set; }
     public string CreatedAt { get; set; }
     public string UpdatedAt { get; set; }
 }

Services/AnthropicService.Cli.cs

@@ -31,6 +31,8 @@ public partial class AnthropicService
         string sessionId = null,
         string agentId = null,
         RemoteConnectionManager remoteMgr = null,
+        string unityMcpUrl = null,
+        string unityMcpToken = null,
         CancellationToken workCt = default,
         CancellationToken sseCt = default)
     {
@@ -59,7 +61,7 @@ public partial class AnthropicService
         {
             // MCP-Config generieren (immer – für ask_user_choice, optional Memory-Tools + remote_execute)
             var hasRemote = remoteMgr != null && !string.IsNullOrEmpty(sessionId) && remoteMgr.GetBySessionId(sessionId) != null;
-            mcpConfigPath = GenerateMcpConfig(sessionId, agentId, hasRemote);
+            mcpConfigPath = GenerateMcpConfig(sessionId, agentId, hasRemote, unityMcpUrl, unityMcpToken);
 
             // System-Prompt als Text extrahieren
             var systemText = new StringBuilder();
@@ -210,6 +212,7 @@ public partial class AnthropicService
                 planMode: planMode,
                 webSearch: webSearch,
                 mcpConfigPath: mcpConfigPath,
+                hasUnityMcp: !string.IsNullOrEmpty(unityMcpUrl),
                 cancellationToken: workCt
             );
 
@@ -486,7 +489,7 @@ public partial class AnthropicService
     /// Generiert eine temporäre MCP-Config-Datei für die Claude CLI.
     /// Enthält den MCP-Server für remote_execute.
     /// </summary>
-    private string GenerateMcpConfig(string sessionId, string agentId = null, bool hasRemote = false)
+    private string GenerateMcpConfig(string sessionId, string agentId = null, bool hasRemote = false, string unityMcpUrl = null, string unityMcpToken = null)
     {
         // Port aus Konfiguration oder Default
         var port = 19000;
@@ -509,19 +512,39 @@ public partial class AnthropicService
             ["GOTT_HAS_REMOTE"] = hasRemote ? "true" : "false"
         };
 
-        var config = new
+        var mcpServers = new Dictionary<string, object>
         {
-            mcpServers = new Dictionary<string, object>
+            ["gott-remote"] = new
             {
-                ["gott-remote"] = new
-                {
-                    command = "python3",
-                    args = new[] { scriptPath },
-                    env
-                }
+                command = "python3",
+                args = new[] { scriptPath },
+                env
             }
         };
 
+        // Unity MCP Server (pro Session konfigurierbar)
+        // Claude CLI erfordert expliziten "type" – "http" für streamableHttp, "sse" für SSE
+        if (!string.IsNullOrEmpty(unityMcpUrl))
+        {
+            // URL-basierte Typ-Erkennung: /sse → SSE-Transport, sonst HTTP (streamableHttp)
+            var mcpType = unityMcpUrl.TrimEnd('/').EndsWith("/sse", StringComparison.OrdinalIgnoreCase) ? "sse" : "http";
+            var unityConfig = new Dictionary<string, object>
+            {
+                ["type"] = mcpType,
+                ["url"] = unityMcpUrl
+            };
+            if (!string.IsNullOrEmpty(unityMcpToken))
+            {
+                unityConfig["headers"] = new Dictionary<string, string>
+                {
+                    ["Authorization"] = $"Bearer {unityMcpToken}"
+                };
+            }
+            mcpServers["unity"] = unityConfig;
+        }
+
+        var config = new { mcpServers };
+
         var json = System.Text.Json.JsonSerializer.Serialize(config, new System.Text.Json.JsonSerializerOptions { WriteIndented = true });
         var tempPath = Path.Combine(Path.GetTempPath(), $"gott-mcp-{sessionId}.json");
         File.WriteAllText(tempPath, json);

Services/ClaudeCliService.cs

@@ -83,6 +83,7 @@ public class ClaudeCliService
         bool planMode = false,
         bool webSearch = false,
         string mcpConfigPath = null,
+        bool hasUnityMcp = false,
         CancellationToken cancellationToken = default)
     {
         if (!_isAvailable)
@@ -126,6 +127,11 @@ public class ClaudeCliService
             tools.Add("mcp__gott-remote__memory_write");
             tools.Add("mcp__gott-remote__memory_list");
         }
+        // Unity MCP Tools erlauben (alle Tools vom unity MCP-Server)
+        if (hasUnityMcp)
+        {
+            tools.Add("mcp__unity__*");
+        }
         args.Add("--allowed-tools");
         args.Add(tools.Count > 0 ? string.Join(" ", tools) : "\"\"");
 

Services/DatabaseService.Sessions.cs

@@ -145,6 +145,8 @@ public partial class DatabaseService
         if (body.TryGetProperty("maxReviewIterations", out var mri)) { sets.Add("max_review_iterations = @maxReviewIterations"); p.Add("maxReviewIterations", mri.GetInt32()); }
         if (body.TryGetProperty("finalizerAgentId", out var fa)) { sets.Add("finalizer_agent_id = @finalizerAgentId"); p.Add("finalizerAgentId", fa.ValueKind == System.Text.Json.JsonValueKind.Null ? null : fa.GetString()); }
         if (body.TryGetProperty("preparerAgentId", out var pa)) { sets.Add("preparer_agent_id = @preparerAgentId"); p.Add("preparerAgentId", pa.ValueKind == System.Text.Json.JsonValueKind.Null ? null : pa.GetString()); }
+        if (body.TryGetProperty("unityMcpUrl", out var umu)) { sets.Add("unity_mcp_url = @unityMcpUrl"); p.Add("unityMcpUrl", umu.ValueKind == System.Text.Json.JsonValueKind.Null ? null : umu.GetString()); }
+        if (body.TryGetProperty("unityMcpToken", out var umt)) { sets.Add("unity_mcp_token = @unityMcpToken"); p.Add("unityMcpToken", umt.ValueKind == System.Text.Json.JsonValueKind.Null ? null : umt.GetString()); }
 
         await conn.ExecuteAsync($"UPDATE sessions SET {string.Join(", ", sets)} WHERE session_id = @sessionId", p);
     }

Services/DatabaseService.cs

@@ -193,6 +193,8 @@ public partial class DatabaseService
         TryAddColumn(conn, "agents", "task_instruction", "TEXT");
         TryAddColumn(conn, "chains", "plan_mode", "INTEGER NOT NULL DEFAULT 0");
         TryAddColumn(conn, "sessions", "preparer_agent_id", "TEXT");
+        TryAddColumn(conn, "sessions", "unity_mcp_url", "TEXT");
+        TryAddColumn(conn, "sessions", "unity_mcp_token", "TEXT");
         TryAddColumn(conn, "messages", "tag", "TEXT");
 
         conn.Execute(@"

wwwroot/index.html

@@ -158,6 +158,10 @@
             <label>Benutzerdefinierte Befehle</label>
             <div class="custom-commands" id="customCommandsList"></div>
             <button type="button" id="addCommandBtn" class="add-cmd-btn">+ Befehl hinzufügen</button>
+            <label>Unity MCP URL <small>(optional)</small></label>
+            <input type="text" id="sessionUnityMcpUrl" placeholder="z.B. http://localhost:8080" autocomplete="off">
+            <label>Unity MCP Token <small>(optional)</small></label>
+            <input type="password" id="sessionUnityMcpToken" placeholder="MCP-Server Token" autocomplete="off">
             <label>Telegram Bot</label>
             <div id="telegramBotSelectCard" class="agent-select-card">
               <div class="agent-select-empty"><i class="fa fa-paper-plane"></i> Kein Bot zugewiesen</div>

wwwroot/js/pages/session-page.js

@@ -35,6 +35,8 @@ registerPage('session', {
     const deleteBtn = document.getElementById('sessionDeleteBtn');
     const commandsList = document.getElementById('customCommandsList');
     const addCommandBtn = document.getElementById('addCommandBtn');
+    const unityMcpUrlEl = document.getElementById('sessionUnityMcpUrl');
+    const unityMcpTokenEl = document.getElementById('sessionUnityMcpToken');
     const more = document.querySelector('.more');
 
     // Avatar Editor initialisieren
@@ -55,6 +57,10 @@ registerPage('session', {
 
       // Custom Commands laden
       loadCommandsIntoUI(commandsList, session.customCommands);
+
+      // Unity MCP
+      unityMcpUrlEl.value = session.unityMcpUrl || '';
+      unityMcpTokenEl.value = session.unityMcpToken || '';
     } else {
       titleEl.textContent = 'Neue Session';
       deleteBtn.hidden = true;
@@ -168,7 +174,9 @@ registerPage('session', {
         customCommands: commands,
         avatarScale: _sessionAvatarEditor.getScale(),
         avatarOffsetX: _sessionAvatarEditor.getOffsetX(),
-        avatarOffsetY: _sessionAvatarEditor.getOffsetY()
+        avatarOffsetY: _sessionAvatarEditor.getOffsetY(),
+        unityMcpUrl: unityMcpUrlEl.value.trim() || null,
+        unityMcpToken: unityMcpTokenEl.value.trim() || null
       };
 
       if (isNew) {