Sprint 2.1: Redesign Editor — system plugin scan + dropdown menu (no file browser)

Source/PluginBridgeEditor.h

@@ -1,6 +1,7 @@
 #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,
@@ -15,15 +16,24 @@ public:
 
 private:
     void timerCallback() override;
-    void loadPluginClicked();
+    void scanPlugins();
+    void showPluginMenu();
+    void loadPluginByIndex(int index);
 
     PluginBridgeProcessor& processorRef;
 
+    // UI elements
     juce::Label titleLabel;
     juce::Label statusLabel;
     juce::Label portLabel;
     juce::Label pluginLabel;
-    juce::TextButton loadButton{"Load Plugin"};
+    juce::TextButton pluginButton{"Select Plugin..."};
+    juce::TextEditor searchBox;
+
+    // Scanned plugins
+    juce::KnownPluginList knownPlugins;
+    juce::AudioPluginFormatManager scanFormatManager;
+    bool hasScanned = false;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PluginBridgeEditor)
 };