Fixed model selection and the install script now properly works when not sudo

install-businessman.sh

@@ -68,9 +68,9 @@ echo "Copying SKILL.md to $SKILLS_DIR..."
 cp "$SKILL_MD" "$SKILLS_DIR/SKILL.md"
 
 # Copy businessman binary to /usr/local/bin
-echo "Copying businessman to $BIN_DIR..."
-cp "$BUSINESSMAN_TEMP" "$BIN_DIR/businessman"
-chmod +x "$BIN_DIR/businessman"
+# /usr/local/bin is root-owned, so the copy must run as sudo
+echo "Copying businessman to $BIN_DIR (sudo)..."
+sudo install -m 755 "$BUSINESSMAN_TEMP" "$BIN_DIR/businessman"
 
 # Cleanup
 rm -f "$BUSINESSMAN_TEMP"