fix(gen): properly handle intermediate route node

[tdakkota]

Fixes #1249

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.82%. Comparing base (1c28226) to head (09f3df3).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1251   +/-   ##
=======================================
  Coverage   73.82%   73.82%           
=======================================
  Files         189      189           
  Lines       12809    12809           
=======================================
  Hits         9456     9456           
  Misses       2808     2808           
  Partials      545      545           

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