Fix crash: Editor is now thin — just reads scan state from Processor, no threads

Source/PluginBridgeEditor.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <juce_gui_basics/juce_gui_basics.h>
-#include <juce_audio_processors/juce_audio_processors.h>
 #include "PluginBridgeProcessor.h"
 
 class PluginBridgeEditor : public juce::AudioProcessorEditor,
@@ -16,24 +15,17 @@ public:
 
 private:
     void timerCallback() override;
-    void scanAndShowMenu();
+    void pluginButtonClicked();
     void showPluginMenu();
     void loadPluginByIndex(int index);
 
     PluginBridgeProcessor& processorRef;
 
-    // UI elements
     juce::Label titleLabel;
     juce::Label statusLabel;
     juce::Label portLabel;
     juce::Label pluginLabel;
     juce::TextButton pluginButton{"Select Plugin..."};
 
-    // Scanned plugins (persists across editor open/close via static)
-    juce::KnownPluginList knownPlugins;
-    juce::AudioPluginFormatManager scanFormatManager;
-    bool scanComplete = false;
-    bool scanning = false;
-
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PluginBridgeEditor)
 };