5a5a1bfc

By: ValentinHirschi <valentin.hirschi@gmail.com>

stream independent outer CFF rank bounds

Calculate each branch's degree bounds with the existing factorized analyzer
and combine the small maps by their per-edge maximum. Avoid constructing a
tagged symbolic sum just for capacity analysis, and analyze identical branch
bodies once. Keep numerator mapping and graph-generation validation unchanged.

Update structural assertions for natural Taylor topologies and extend the
capacity regressions for independent branches, common outer factors, zero
coefficients and repeated selector hosts. Preserve numerical checks and the
GL20 snapshot while its small rounding differences are investigated.

User request:
Ok, then proceed with full implementation and testing (starting from GL16 to make sure it terminates too). Implement this correction in general in core gammaloop production. Also make sure there is no similar forcing of common denominator anywhere else.

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