Increase blacksmith hammer sound pitch to 1.6x

Raises pitch from 1.4f to 1.6f for more distinct metallic clink in blacksmith ambience.

include/rendering/renderer.hpp

@@ -224,6 +224,7 @@ private:
     uint32_t currentZoneId = 0;
     std::string currentZoneName;
     bool inTavern_ = false;
+    bool inBlacksmith_ = false;
 
     // Third-person character state
     glm::vec3 characterPosition = glm::vec3(0.0f);