feat: 🎉 Vectors na Vectors, the begining

Translate 1536 <-> 768 , 3072 <-> 2048

pkg/adapter/normalize.go

@@ -0,0 +1,23 @@
+package adapter
+
+import "math"
+
+// L2Norm returns a new slice with the vector normalized to unit length.
+// If the vector has zero magnitude it is returned unchanged.
+func L2Norm(v []float32) []float32 {
+	var sum float64
+	for _, x := range v {
+		sum += float64(x) * float64(x)
+	}
+	if sum == 0 {
+		out := make([]float32, len(v))
+		copy(out, v)
+		return out
+	}
+	norm := float32(math.Sqrt(sum))
+	out := make([]float32, len(v))
+	for i, x := range v {
+		out[i] = x / norm
+	}
+	return out
+}