Splice the regenerated Reader Intelligence Guide HTML
into the rendered article body at the Executive Brief boundary so
the documented section order is preserved (Executive Brief → Reader
Intelligence Guide → Key Takeaways → deep sections). Uses
indexOf-based search to stay clear of polynomial-regex
backtracking on pathological input.
Description
Splice the regenerated Reader Intelligence Guide HTML into the rendered article body at the Executive Brief boundary so the documented section order is preserved (Executive Brief → Reader Intelligence Guide → Key Takeaways → deep sections). Uses
indexOf-based search to stay clear of polynomial-regex backtracking on pathological input.