Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/api/internal/billing/usage_test.go

@@ -0,0 +1,23 @@
+package billing
+
+import "testing"
+
+func TestParseUsageRange(t *testing.T) {
+	t.Parallel()
+	cases := []struct {
+		in, want string
+	}{
+		{"", "30d"},
+		{"7d", "7d"},
+		{"30D", "30d"},
+		{" cycle ", "cycle"},
+		{"all", "all"},
+		{"week", "30d"},
+		{"90d", "30d"},
+	}
+	for _, c := range cases {
+		if got := ParseUsageRange(c.in); got != c.want {
+			t.Fatalf("ParseUsageRange(%q)=%q want %q", c.in, got, c.want)
+		}
+	}
+}