By: ValentinHirschi <valentin.hirschi@gmail.com>
fix feynkit tensor bridge integration Complete the FORM-less Vakint bridge for compact Spenso dots, opaque projectors, full slot provenance, and bounded summand distribution. Add high-rank parity and bridge regression coverage. User request: Continue fixing this branch and investigating/fixing the CI (when waiting on it, use a 15 min wait to not consume tokens).