chore: import upstream snapshot with attribution

store/scope_test.go

@@ -0,0 +1,33 @@
+package store
+
+import "testing"
+
+func TestScopeIsolatesTables(t *testing.T) {
+	base := NewMemoryStore()
+
+	a := Scope(base, "agent", "one")
+	b := Scope(base, "agent", "two")
+
+	if err := a.Write(&Record{Key: "history", Value: []byte("A")}); err != nil {
+		t.Fatalf("write a: %v", err)
+	}
+	if err := b.Write(&Record{Key: "history", Value: []byte("B")}); err != nil {
+		t.Fatalf("write b: %v", err)
+	}
+
+	// Same key, different scopes — the values must not collide.
+	recs, err := a.Read("history")
+	if err != nil || len(recs) != 1 || string(recs[0].Value) != "A" {
+		t.Fatalf("scope a read = %v %v", recs, err)
+	}
+	recs, err = b.Read("history")
+	if err != nil || len(recs) != 1 || string(recs[0].Value) != "B" {
+		t.Fatalf("scope b read = %v %v", recs, err)
+	}
+
+	// List is confined to the scope.
+	keys, err := a.List()
+	if err != nil || len(keys) != 1 {
+		t.Fatalf("scope a list = %v %v, want 1 key", keys, err)
+	}
+}