WRRA-M 0.2: Cross-Dimensional Filter Correspondence

WRRA-M 0.2 defines a sixteen-channel input consisting of one invariant channel, two seven-dimensional sectors, and one null channel. A conditional cross-dimensional filter reorganizes those channels into the Pati-Salam representation (4,2,1) plus (anti-4,1,2). Neutrality of the null channel and unit normalization of the invariant channel fix Y = T3R + (B-L)/2. The standard one-generation hypercharges, electric charges, local anomalies, mixed gravitational anomaly, and global SU(2) parity conditions then close. The existence and dynamics of the filter are not derived.