feat: optimize neopattern example

examples/neopattern/NeoPatternService.h

@@ -4,6 +4,7 @@
 #include "NeoPattern.h"
 #include "NeoPatternState.h"
 #include "NeoPixelConfig.h"
+#include "PatternRegistry.h"
 #include <map>
 #include <functional>
 
@@ -70,14 +71,21 @@ private:
     NeoPatternType nameToPattern(const String& name) const;
     void resetStateForPattern(NeoPatternType pattern);
     uint32_t parseColor(const String& colorStr) const;
+    
+    // Pattern validation methods
+    bool isValidPattern(const String& name) const;
+    bool isValidPattern(NeoPatternType type) const;
+    bool patternRequiresColor2(const String& name) const;
+    bool patternSupportsDirection(const String& name) const;
+    String getPatternDescription(const String& name) const;
 
     TaskManager& taskManager;
     NeoPattern* neoPattern;
     NeoPixelConfig config;
     NeoPatternState currentState;
 
-    std::map<String, std::function<void()>> patternUpdaters;
-    std::map<String, NeoPatternType> nameToPatternMap;
+    // Pattern registry for centralized pattern management
+    PatternRegistry patternRegistry;
 
     NeoPatternType activePattern;
     NeoDirection direction;