feat: Remote-Execute für Linux/Bash – OS-basierte Tool-Descriptions und remote.sh Script

Remote-Verbindungen erkennen jetzt das OS des Clients und passen die Tool-Description
dynamisch an (PowerShell für Windows, Bash für Linux). Neues remote.sh Script für
Linux/macOS-Clients mit embedded Python WebSocket-Client.

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

Services/AnthropicService.Streaming.cs

@@ -101,7 +101,8 @@ public partial class AnthropicService
                 if (systemPrompt != null && systemPrompt.Count > 0)
                     payload["system"] = systemPrompt;
 
-                var hasRemote = remoteMgr?.GetBySessionId(sessionId) != null;
+                var remoteConn = remoteMgr?.GetBySessionId(sessionId);
+                var hasRemote = remoteConn != null;
                 AddToolsToPayload(payload, new ToolPayloadOptions
                 {
                     Workspace = workspace,
@@ -113,6 +114,7 @@ public partial class AnthropicService
                     AllowUserChoice = allowUserChoice,
                     PlanMode = planMode,
                     IncludeRemote = hasRemote,
+                    RemoteOs = remoteConn?.OsVersion,
                     IncludeGitHubSearch = useGitHubSearch && _toolService.HasGitHubToken,
                     IncludeSerperSearch = useSerperSearch && _toolService.HasSerperKey
                 });