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/campaigns/templates_test.go

@@ -0,0 +1,35 @@
+package campaigns
+
+import "testing"
+
+func TestListTemplates(t *testing.T) {
+	tpls := ListTemplates()
+	if len(tpls) != 4 {
+		t.Fatalf("expected 4 templates, got %d", len(tpls))
+	}
+	for _, key := range []string{"christmas", "black_friday", "spring", "custom"} {
+		if !ValidTemplateKey(key) {
+			t.Fatalf("expected valid key %s", key)
+		}
+	}
+}
+
+func TestNormalizeEmail(t *testing.T) {
+	e, err := NormalizeEmail("  User@Example.COM ")
+	if err != nil || e != "user@example.com" {
+		t.Fatalf("got %q err=%v", e, err)
+	}
+	if _, err := NormalizeEmail("not-an-email"); err == nil {
+		t.Fatal("expected error")
+	}
+}
+
+func TestUnsubscribeFooter(t *testing.T) {
+	html, plain := EnsureUnsubscribeFooter("<p>Hi</p>", "Hi", "https://example.com/unsubscribe?token=abc")
+	if !HasUnsubscribeFooter(html) {
+		t.Fatalf("missing footer in %s", html)
+	}
+	if plain == "" {
+		t.Fatal("plain empty")
+	}
+}