fix: harden ofxPiMapper paths and add defensive cloning for example-basic

scripts/setup.sh

@@ -267,7 +267,9 @@ else
     fi
 
     cd "$REAL_HOME/openFrameworks/addons"
-    if [ ! -d "ofxPiMapper" ]; then
+    if [ ! -d "ofxPiMapper/example-basic" ]; then
+      echo "ofxPiMapper missing or incomplete. Cleaning and cloning..."
+      rm -rf ofxPiMapper
       sudo -u "$REAL_USER" git clone https://github.com/kr15h/ofxPiMapper.git
     fi
 
@@ -283,10 +285,17 @@ else
         }' src/Osc/OscControl.cpp
     fi
 
-    cd "$REAL_HOME/openFrameworks/addons/ofxPiMapper/example-basic"
+    echo "Compiling example-basic..."
+    if [ -d "example-basic" ]; then
+      cd "example-basic"
       sudo -u "$REAL_USER" make -j1
       cp bin/example-basic /usr/local/bin/ofxPiMapper
       chmod +x /usr/local/bin/ofxPiMapper
+    else
+      echo "ERROR: example-basic folder not found in ofxPiMapper addon!"
+      exit 1
+    fi
+
   fi
 fi