Proposes a one-liner Jinja helper that appends ?v=<commit-sha> to
static JS/CSS URLs, leveraging the existing build_info pipeline so
users no longer need to hard-reload after every deploy. Documents the
codemod scope (143 callsites), open decisions, and the server-side
Cache-Control: immutable follow-up that makes the version flip pay off.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>