Fix: Add getLastPluginPath() so reload works after crash, fix Editor reload button

Source/Plugin/PluginBridgeProcessor.h

@@ -4,7 +4,7 @@
 #include <juce_dsp/juce_dsp.h>
 #include "HelperConnection.h"
 #include "McpServer.h"
-#include "../Shared/Constants.h"
+#include "Constants.h"
 
 class PluginBridgeProcessor : public juce::AudioProcessor
 {
@@ -49,6 +49,9 @@ public:
     int getLoadedPluginParamCount() const { return pluginParamCount; }
     HelperConnection::State getConnectionState() const { return helper.getState(); }
 
+    // Retained even after crash — for reload button
+    juce::String getLastPluginPath() const { return pluginPath; }
+
     // Plugin file listing (safe — no binary loading)
     juce::Array<juce::File> getInstalledPluginFiles() const;
 
@@ -58,7 +61,7 @@ private:
 
     bool pluginLoaded = false;
     juce::String pluginName;
-    juce::String pluginPath;
+    juce::String pluginPath;  // retained after crash for reload
     int pluginParamCount = 0;
 
     double currentSampleRate = 44100.0;