integrate AudioAnalyser into Processor + wire get_analysis in McpServer

Processor: adds AudioAnalyser, calls processBlock after shared memory read
McpServer: get_analysis now calls processor's getAnalysis() instead of returning 'silent'"

Source/Plugin/PluginBridgeProcessor.h

@@ -5,6 +5,7 @@
 #include "HelperConnection.h"
 #include "McpServer.h"
 #include "Blocklist.h"
+#include "AudioAnalyser.h"
 #include "Constants.h"
 
 class PluginBridgeProcessor : public juce::AudioProcessor
@@ -58,6 +59,9 @@ public:
     bool isBlocked(const juce::String& path) const;
     Blocklist& getBlocklist() { return blocklist; }
 
+    // Audio analysis (for MCP get_analysis)
+    std::string getAnalysis() const { return analyser.getCompactAnalysis(); }
+
     // Remote GUI info (from Helper via IPC)
     juce::String getRemoteLayerPortName() const { return remoteLayerPortName; }
     int getRemoteGuiWidth() const { return remoteGuiWidth; }
@@ -66,7 +70,7 @@ public:
     // Callbacks for editor
     std::function<void()> onPluginLoaded;
     std::function<void()> onPluginUnloaded;
-    std::function<void()> onGuiReady;       // remote layer port available
+    std::function<void()> onGuiReady;
     std::function<void(int, int)> onGuiResized;
     std::function<void(const juce::String&)> onLoadFailed;
 
@@ -74,6 +78,7 @@ private:
     HelperConnection helper;
     std::unique_ptr<McpServer> mcpServer;
     Blocklist blocklist;
+    AudioAnalyser analyser;
 
     bool pluginLoaded = false;
     juce::String pluginName;