Sprint 2: Update PluginBridgeProcessor.h \u2014 add HostedPluginManager member

Source/PluginBridgeProcessor.h

@@ -3,6 +3,7 @@
 #include <juce_audio_processors/juce_audio_processors.h>
 #include <juce_dsp/juce_dsp.h>
 #include "McpServer.h"
+#include "HostedPluginManager.h"
 
 class PluginBridgeProcessor : public juce::AudioProcessor
 {
@@ -36,11 +37,16 @@ public:
     void getStateInformation(juce::MemoryBlock& destData) override;
     void setStateInformation(const void* data, int sizeInBytes) override;
 
-    // MCP server access (for editor status display)
+    // Public access for Editor and McpServer
     bool isMcpServerRunning() const;
     int getMcpServerPort() const;
+    HostedPluginManager& getHostedPluginManager() { return hostManager; }
+
+    // Load plugin from GUI (called on message thread)
+    void loadPluginFromFile(const juce::File& file);
 
 private:
+    HostedPluginManager hostManager;
     McpServer mcpServer;
     static constexpr int kDefaultMcpPort = 16620;