update for resources-bug-fix (#884)

Author: Scriptwonder

MCPForUnity/Editor/Windows/Components/Advanced/McpAdvancedSection.cs

@@ -44,6 +44,7 @@ public class McpAdvancedSection
         public event Action OnGitUrlChanged;
         public event Action OnHttpServerCommandUpdateRequested;
         public event Action OnTestConnectionRequested;
+        public event Action OnPackageDeployed;
 
         public VisualElement Root { get; private set; }
 
@@ -489,6 +490,7 @@ private void OnDeployClicked()
             else
             {
                 EditorUtility.DisplayDialog("Deployment Complete", result.Message + (string.IsNullOrEmpty(result.BackupPath) ? string.Empty : $"\nBackup: {result.BackupPath}"), "OK");
+                OnPackageDeployed?.Invoke();
             }
 
             UpdateDeploymentSection();
@@ -506,6 +508,7 @@ private void OnRestoreBackupClicked()
             else
             {
                 EditorUtility.DisplayDialog("Restore Complete", result.Message, "OK");
+                OnPackageDeployed?.Invoke();
             }
 
             UpdateDeploymentSection();

MCPForUnity/Editor/Windows/MCPForUnityEditorWindow.cs

@@ -275,6 +275,11 @@ public void CreateGUI()
                     if (connectionSection != null)
                         await connectionSection.VerifyBridgeConnectionAsync();
                 };
+                advancedSection.OnPackageDeployed += () =>
+                {
+                    UpdateVersionLabel();
+                    QueueUpdateCheck();
+                };
                 // Wire up health status updates from Connection to Advanced
                 connectionSection?.SetHealthStatusUpdateCallback((isHealthy, statusText) =>
                     advancedSection?.UpdateHealthStatus(isHealthy, statusText));

Server/src/services/resources/__init__.py

@@ -1,11 +1,13 @@
 """
 MCP Resources package - Auto-discovers and registers all resources in this directory.
 """
+import functools
 import inspect
 import logging
 from pathlib import Path
 
 from fastmcp import FastMCP
+from pydantic import BaseModel
 from core.telemetry_decorator import telemetry_resource
 from core.logging_decorator import log_execution
 
@@ -18,6 +20,25 @@
 __all__ = ['register_all_resources']
 
 
+def _serialize_pydantic(func):
+    """Wrap a resource function so Pydantic models are serialized to JSON strings.
+
+    FastMCP 3.x expects resource functions to return str, bytes, or ResourceResult.
+    Our resource functions return MCPResponse (a Pydantic BaseModel). This wrapper
+    converts them to JSON strings automatically.
+    """
+    @functools.wraps(func)
+    async def wrapper(*args, **kwargs):
+        result = await func(*args, **kwargs)
+        if isinstance(result, BaseModel):
+            return result.model_dump_json()
+        if isinstance(result, dict):
+            import json
+            return json.dumps(result)
+        return result
+    return wrapper
+
+
 def register_all_resources(mcp: FastMCP, *, project_scoped_tools: bool = True):
     """
     Auto-discover and register all resources in the resources/ directory.
@@ -55,7 +76,8 @@ def register_all_resources(mcp: FastMCP, *, project_scoped_tools: bool = True):
         has_query_params = '{?' in uri
 
         if has_query_params:
-            wrapped_template = log_execution(resource_name, "Resource")(func)
+            wrapped_template = _serialize_pydantic(func)
+            wrapped_template = log_execution(resource_name, "Resource")(wrapped_template)
             wrapped_template = telemetry_resource(
                 resource_name)(wrapped_template)
             wrapped_template = mcp.resource(
@@ -69,7 +91,8 @@ def register_all_resources(mcp: FastMCP, *, project_scoped_tools: bool = True):
             registered_count += 1
             resource_info['func'] = wrapped_template
         else:
-            wrapped = log_execution(resource_name, "Resource")(func)
+            wrapped = _serialize_pydantic(func)
+            wrapped = log_execution(resource_name, "Resource")(wrapped)
             wrapped = telemetry_resource(resource_name)(wrapped)
             wrapped = mcp.resource(
                 uri=uri,