feat: add persisted page insight platform

internal/eventcatalog/import_test.go

@@ -0,0 +1,28 @@
+package eventcatalog
+
+import "testing"
+
+func TestValidateImportRequiresThreePastAndTwoFutureJalaliYears(t *testing.T) {
+	t.Parallel()
+
+	input := Import{Version: "1402-1407-v1", CoverageStartJalaliYear: 1402, CoverageEndJalaliYear: 1407, SourceURI: "https://calendar.ut.ac.ir/", SourceVersion: "reviewed", SourceChecksum: "abc", ImportedBy: "operator-a", Events: []Event{{ID: "nowruz", TitleFA: "نوروز", StartDate: "2026-03-21", EndDate: "2026-03-24", Type: TypeCultural, Tone: ToneCelebratory, CommercialPosture: PosturePromote, SourceURI: "https://calendar.ut.ac.ir/", SourceVersion: "1405", InclusionRationale: "تقویم رسمی", GeographicScope: "IR", RelevanceBPS: 10000, ConfidenceBPS: 10000}}}
+	if err := ValidateImport(input, 1405); err != nil {
+		t.Fatal(err)
+	}
+
+	input.CoverageStartJalaliYear = 1403
+	if err := ValidateImport(input, 1405); err == nil {
+		t.Fatal("expected insufficient past coverage")
+	}
+}
+
+func TestValidateApprovalRequiresIndependentReviewer(t *testing.T) {
+	t.Parallel()
+
+	if err := ValidateApproval("operator-a", "operator-a"); err == nil {
+		t.Fatal("expected independent reviewer error")
+	}
+	if err := ValidateApproval("operator-a", "operator-b"); err != nil {
+		t.Fatal(err)
+	}
+}