feat: disciple link

internal/handler/stats_test.go

@@ -0,0 +1,46 @@
+package handler
+
+import (
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/prabhupadasays/spsays-bff/internal/model"
+	"github.com/prabhupadasays/spsays-bff/internal/repository"
+)
+
+// Executes the public /stats template against representative rows and asserts
+// no submitter email can appear in the output.
+func TestStatsTemplateHidesEmails(t *testing.T) {
+	now := time.Now()
+	secret := "leak-me@example.com"
+	handle, name := "gopal", "Gopal Das"
+	rows := []model.Feedback{
+		// anonymous WITH a reply address on file
+		{ID: "1", Category: "bug", Message: "anon with email", CreatedAt: now,
+			HasContactEmail: true, ContactEmail: &secret},
+		// anonymous with no address at all
+		{ID: "2", Category: "general", Message: "anon no email", CreatedAt: now},
+		// authed submitter
+		{ID: "3", Category: "feature", Message: "authed", CreatedAt: now,
+			AuthorHandle: &handle, AuthorName: &name, AcknowledgedAt: &now, ResolvedAt: &now},
+	}
+	var sb strings.Builder
+	err := statsTpl.Execute(&sb, map[string]any{
+		"Stats":       &repository.StatsSnapshot{Users: 1},
+		"Feedback":    rows,
+		"GeneratedAt": "now",
+	})
+	if err != nil {
+		t.Fatalf("template execute failed: %v", err)
+	}
+	out := sb.String()
+	if strings.Contains(out, secret) || strings.Contains(out, "@example.com") {
+		t.Errorf("submitter email leaked into public /stats output")
+	}
+	for _, want := range []string{"reply address on file", "@gopal", "anon no email"} {
+		if !strings.Contains(out, want) {
+			t.Errorf("expected %q in output", want)
+		}
+	}
+}