Sprint 1: Add PluginBridgeEditor.cpp — shows MCP server status

Source/PluginBridgeEditor.cpp

@@ -0,0 +1,58 @@
+#include "PluginBridgeEditor.h"
+
+PluginBridgeEditor::PluginBridgeEditor(PluginBridgeProcessor& p)
+    : AudioProcessorEditor(&p), processorRef(p)
+{
+    setSize(300, 150);
+
+    titleLabel.setText("PluginBridge", juce::dontSendNotification);
+    titleLabel.setFont(juce::FontOptions(20.0f));
+    titleLabel.setJustificationType(juce::Justification::centred);
+    addAndMakeVisible(titleLabel);
+
+    statusLabel.setText("MCP: starting...", juce::dontSendNotification);
+    statusLabel.setFont(juce::FontOptions(14.0f));
+    statusLabel.setJustificationType(juce::Justification::centred);
+    addAndMakeVisible(statusLabel);
+
+    portLabel.setText("", juce::dontSendNotification);
+    portLabel.setFont(juce::FontOptions(12.0f));
+    portLabel.setJustificationType(juce::Justification::centred);
+    portLabel.setColour(juce::Label::textColourId, juce::Colours::grey);
+    addAndMakeVisible(portLabel);
+
+    startTimerHz(2); // Update status 2x per second
+}
+
+PluginBridgeEditor::~PluginBridgeEditor()
+{
+    stopTimer();
+}
+
+void PluginBridgeEditor::paint(juce::Graphics& g)
+{
+    g.fillAll(juce::Colour(0xff1a1a2e));
+}
+
+void PluginBridgeEditor::resized()
+{
+    auto area = getLocalBounds().reduced(10);
+    titleLabel.setBounds(area.removeFromTop(40));
+    area.removeFromTop(10);
+    statusLabel.setBounds(area.removeFromTop(30));
+    portLabel.setBounds(area.removeFromTop(25));
+}
+
+void PluginBridgeEditor::timerCallback()
+{
+    if (processorRef.isMcpServerRunning()) {
+        statusLabel.setText("MCP: running", juce::dontSendNotification);
+        statusLabel.setColour(juce::Label::textColourId, juce::Colours::limegreen);
+        portLabel.setText("http://127.0.0.1:" + juce::String(processorRef.getMcpServerPort()) + "/mcp",
+                          juce::dontSendNotification);
+    } else {
+        statusLabel.setText("MCP: offline", juce::dontSendNotification);
+        statusLabel.setColour(juce::Label::textColourId, juce::Colours::red);
+        portLabel.setText("", juce::dontSendNotification);
+    }
+}