feat: sync Bot API gateway support

internal/app/maintenance/retention_test.go

@@ -57,3 +57,45 @@ func TestRetentionWorkerSkipsNilTempKeyStore(t *testing.T) {
 		t.Fatalf("outbox calls = %d, want 1", outbox.calls)
 	}
 }
+
+type fakeBotAPIRetention struct {
+	calls          int
+	confirmedGrace time.Duration
+	maxAge         time.Duration
+	limit          int
+}
+
+func (f *fakeBotAPIRetention) DeleteDeliveredOrExpired(_ context.Context, confirmedGrace, maxAge time.Duration, limit int) (int, error) {
+	f.calls++
+	f.confirmedGrace = confirmedGrace
+	f.maxAge = maxAge
+	f.limit = limit
+	return 5, nil
+}
+
+func TestRetentionWorkerReclaimsBotAPIUpdates(t *testing.T) {
+	outbox := &fakeOutboxRetention{}
+	botAPI := &fakeBotAPIRetention{}
+	w := NewRetentionWorker(outbox, nil, zap.NewNop(), time.Hour, time.Hour, 100).
+		WithBotAPIUpdateRetention(botAPI, 24*time.Hour)
+
+	w.runOnce(context.Background())
+
+	if botAPI.calls != 1 {
+		t.Fatalf("bot api retention calls = %d, want 1", botAPI.calls)
+	}
+	if botAPI.confirmedGrace != botAPIConfirmedGrace || botAPI.maxAge != 24*time.Hour || botAPI.limit != 100 {
+		t.Fatalf("bot api retention args = (%v, %v, %d), want (%v, 24h, 100)",
+			botAPI.confirmedGrace, botAPI.maxAge, botAPI.limit, botAPIConfirmedGrace)
+	}
+}
+
+func TestRetentionWorkerBotAPIRetentionDefaultsTo24h(t *testing.T) {
+	botAPI := &fakeBotAPIRetention{}
+	w := NewRetentionWorker(&fakeOutboxRetention{}, nil, zap.NewNop(), time.Hour, time.Hour, 100).
+		WithBotAPIUpdateRetention(botAPI, 0)
+	w.runOnce(context.Background())
+	if botAPI.maxAge != 24*time.Hour {
+		t.Fatalf("default bot api retention = %v, want 24h", botAPI.maxAge)
+	}
+}