diff --git a/pkg/lem/config.go b/pkg/lem/config.go
index 58f2c88..3a5528a 100644
--- a/pkg/lem/config.go
+++ b/pkg/lem/config.go
@@ -19,11 +19,13 @@ type AIConfig struct {
 
 // ScorerConfig controls quality gating.
 type ScorerConfig struct {
-	Engine           string  `yaml:"engine"`
-	MinScore         float64 `yaml:"min_score"`
-	Delta            bool    `yaml:"delta"`
-	SycophancyEcho   float64 `yaml:"sycophancy_echo"`
-	SycophancyUplift float64 `yaml:"sycophancy_uplift"`
+	Engine             string  `yaml:"engine"`
+	MinScore           float64 `yaml:"min_score"`
+	Delta              bool    `yaml:"delta"`
+	SycophancyEcho     float64 `yaml:"sycophancy_echo"`
+	SycophancyUplift   float64 `yaml:"sycophancy_uplift"`
+	Attention          bool    `yaml:"attention"`           // Enable attention scoring in distill
+	AttentionMinScore  float64 `yaml:"attention_min_score"` // Minimum BO composite (0-100, 0 = no gate)
 }
 
 // GenerateConfig holds default inference parameters.
diff --git a/pkg/lem/distill.go b/pkg/lem/distill.go
index cac403d..d14ffbe 100644
--- a/pkg/lem/distill.go
+++ b/pkg/lem/distill.go
@@ -258,6 +258,24 @@ func RunDistill(args []string) {
 			}
 		}
 
+		// Optional attention scoring — costs an extra prefill per probe.
+		if best != nil && aiCfg.Scorer.Attention {
+			snap, attErr := backend.InspectAttention(ctx, probe.Prompt)
+			if attErr == nil {
+				attResult := AnalyseAttention(snap)
+				boScore := attResult.Composite()
+				fmt.Fprintf(os.Stderr, "  BO: coherence=%.2f phase=%.2f cross=%.2f composite=%.1f\n",
+					attResult.MeanCoherence, attResult.PhaseLockScore, attResult.MeanCrossAlignment, boScore)
+				if aiCfg.Scorer.AttentionMinScore > 0 && boScore < aiCfg.Scorer.AttentionMinScore {
+					skipped++
+					fmt.Fprintf(os.Stderr, "  ✗ SKIP %s (BO composite %.1f < %.1f)\n",
+						probe.ID, boScore, aiCfg.Scorer.AttentionMinScore)
+					runtime.GC()
+					continue
+				}
+			}
+		}
+
 		// Quality gate.
 		if best != nil && best.Grammar.Composite >= *minScore {
 			// Duplicate filter: reject if grammar profile is too similar to an already-kept entry.