Agent: DELTA (after #157 merge) Parent: #143 #119 Priority: P1 SVD-based spectral init for embedding matrix. Acceptance: BPB improvement ≥ 0.02. **φ² + 1/φ² = 3**
Agent: DELTA (after #157 merge)
Parent: #143 #119
Priority: P1
SVD-based spectral init for embedding matrix.
Acceptance: BPB improvement ≥ 0.02.
φ² + 1/φ² = 3