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Config B (post-loop) and Config C (in-loop) apply the IDENTICAL bounded kernel; B->C isolates the value of applying it in-loop (reference propagation), the structural distinction of the SEP claim. rate_B==rate_A by construction (a post-filter cannot change the bitstream). Patent core is the decoder-normative in-loop syntax + GATE-7 envelope + the in-loop>post-loop property; this measures whether that property yields a real-codec RD benefit. A non-clearing B->C is kept as an honest bound. GATE 1 (enc ReconFile md5==dec output) and GATE 2 (patch inert when off, bitstream byte-identical to vanilla) gate the validity of every number.", "n_smoke_pending": false }