Events: route imports now point to specific sub-modules (entries,
tickets, slots) instead of all going through renders.py. Merged
layouts into helpers.py. __init__.py now 20 lines.
SX Docs: moved dispatchers from helpers.py into essays.py, cleaned
up __init__.py to 24 lines.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>