=== Inherited from S285: Cabibbo angle ===
  sin(theta_C) = sqrt(m_d/m_s) = 0.22350
  theta_C      = 12.915 deg

=== (1) theta_13: quark-lepton dimensional complementarity ===
  tan(theta_13)  = (D_phys/D_BSFG)*sin(theta_C) = (2/3)*sin(theta_C)
  tan(theta_13)  = 0.14900
  theta_13_pred  = 8.475 deg
  theta_13_obs   = 8.536 deg
  sin^2(theta_13)_pred = 0.02172
  sin^2(theta_13)_obs  = 0.02203
  residual = 1.411%

=== (2) theta_12: TBM - (D_BSFG/SO5)*sin^2(theta_13) ===
  sin^2(theta_12)_pred = 1/3 - (6/5)*sin^2(theta_13) = 0.32030
  sin^2(theta_12)_obs  =                                0.30700
  residual = 4.333%
  theta_12_pred = 34.468 deg
  theta_12_obs  = 33.647 deg

=== (3) theta_23: maximal mixing + dimensional correction ===
  Upper octant: sin^2(theta_23) = 1/2 + sqrt(SO5)*sin^2(theta_13)
    pred = 0.56868   obs(UO) = 0.57200   resid = 0.580%
  Lower octant: sin^2(theta_23) = 1/2 - sqrt(SO5/2)*sin^2(theta_13)
    pred = 0.45143   obs(LO) = 0.45100   resid = 0.096%

=== (4) delta_CP_PMNS = -pi/2 (geometric maximality) ===
  delta_pred = -pi/2 = -90.00 deg
  delta_obs (PDG24 best)  = -90.0 deg  (resid = 0.00%)
  delta_obs (NuFit NO)    = -163.0 deg  [tension at 1.5-sigma]

=== Jarlskog J_PMNS ===
  J_PMNS_pred = -0.03332
  J_PMNS_obs  = -0.03290
  |residual|  = 1.27%

=== Quark-Lepton Complementarity (Raidal 2004) check ===
  theta_12_PMNS + theta_C = 34.47 + 12.91 = 47.38 deg
  Predicted by QLC: 45 deg (pi/4)   ->  residual = 5.30%

======================================================================
PMNS SUMMARY -- zero new parameters, all from S285 + UQFF primitives:
======================================================================
observable                 predicted      observed      residual
----------------------------------------------------------------------
  sin^2(theta_13)           0.021719       0.02203        1.411%
  sin^2(theta_12)             0.3203         0.307        4.333%
  sin^2(theta_23) UO         0.56868         0.572        0.580%
  sin^2(theta_23) LO         0.45143         0.451        0.096%
  delta_CP [deg]                 -90           -90        0.000%
  |J_PMNS|                  0.033316        0.0329        1.265%
