Measurement: Bounded “coherence filters” → displaced parity Π(α) = D(α) (-1)^N D†(α) ∈ { 1,-1}
Correlators E(α,β) directly from kernel (displacement mixes n, parity diagonal).
Optimal choices → CHSH S → 2√2 as bandwidth ↑ (large r)
No new physics, full no-signaling, reproduces standard CV Bell violations.