diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index bad362b..3a3df6a 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -24,7 +24,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-      - run: python -m compileall app
+      - run: python3 -m compileall app
diff --git a/cmd/bot/main.go b/cmd/bot/main.go
index f889631..ab68896 100644
--- a/cmd/bot/main.go
+++ b/cmd/bot/main.go
@@ -29,7 +29,11 @@ func main() {
 		slog.Error("db_open_failed", "error", err)
 		os.Exit(1)
 	}
-	defer app.Close()
+	defer func() {
+		if err := app.Close(); err != nil {
+			slog.Warn("app_close_failed", "error", err)
+		}
+	}()
 	if !app.TG.Enabled() {
 		slog.Error("telegram_token_missing")
 		os.Exit(1)
diff --git a/cmd/scheduler/main.go b/cmd/scheduler/main.go
index 50b1585..846d0bb 100644
--- a/cmd/scheduler/main.go
+++ b/cmd/scheduler/main.go
@@ -24,7 +24,11 @@ func main() {
 		slog.Error("db_open_failed", "error", err)
 		os.Exit(1)
 	}
-	defer app.Close()
+	defer func() {
+		if err := app.Close(); err != nil {
+			slog.Warn("app_close_failed", "error", err)
+		}
+	}()
 
 	interval := cfg.SchedulerInterval()
 	slog.Info("monitoring_pf_scheduler_started", "interval", interval.String())
diff --git a/cmd/server/main.go b/cmd/server/main.go
index cc1db39..16431b9 100644
--- a/cmd/server/main.go
+++ b/cmd/server/main.go
@@ -27,7 +27,11 @@ func main() {
 		slog.Error("db_open_failed", "error", err)
 		os.Exit(1)
 	}
-	defer app.Close()
+	defer func() {
+		if err := app.Close(); err != nil {
+			slog.Warn("app_close_failed", "error", err)
+		}
+	}()
 
 	server := &http.Server{
 		Addr:              fmt.Sprintf("%s:%d", cfg.WebHost, cfg.WebPort),
diff --git a/internal/pf/db.go b/internal/pf/db.go
index a035255..7137443 100644
--- a/internal/pf/db.go
+++ b/internal/pf/db.go
@@ -137,6 +137,14 @@ func (a *App) Close() error {
 	return a.DB.Close()
 }
 
+func closeRows(rows *sql.Rows) {
+	_ = rows.Close()
+}
+
+func rollbackTx(tx *sql.Tx) {
+	_ = tx.Rollback()
+}
+
 func (a *App) InitDB(ctx context.Context) error {
 	stmts := []string{
 		`CREATE TABLE IF NOT EXISTS employees (
@@ -210,7 +218,7 @@ func (a *App) migrateEmployees(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	columns := map[string]bool{}
 	for rows.Next() {
 		var cid int
@@ -237,7 +245,7 @@ func (a *App) migrateCompetitorListings(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	columns := map[string]bool{}
 	for rows.Next() {
 		var cid int
@@ -325,15 +333,6 @@ func enumStatusOut(value string) string {
 	}
 }
 
-func enumStatusIn(value string) string {
-	switch strings.ToLower(value) {
-	case "removed":
-		return "REMOVED"
-	default:
-		return "ACTIVE"
-	}
-}
-
 func timeOut(raw sql.NullString) *string {
 	if !raw.Valid || strings.TrimSpace(raw.String) == "" {
 		return nil
diff --git a/internal/pf/store.go b/internal/pf/store.go
index 9908c42..3e78aa2 100644
--- a/internal/pf/store.go
+++ b/internal/pf/store.go
@@ -57,7 +57,7 @@ func (a *App) ListEmployees(ctx context.Context, isAdmin bool, current *Employee
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	return scanEmployees(rows)
 }
 
@@ -268,7 +268,7 @@ func (a *App) ListProjects(ctx context.Context, ownerID int64) ([]Project, error
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	items := []Project{}
 	for rows.Next() {
 		p, err := a.scanProject(ctx, rows, false)
@@ -353,7 +353,7 @@ func (a *App) DeleteProject(ctx context.Context, ownerID, projectID int64) error
 	if err != nil {
 		return err
 	}
-	defer tx.Rollback()
+	defer rollbackTx(tx)
 	listingRows, err := tx.QueryContext(ctx, `SELECT id FROM competitor_listings WHERE project_id = ?`, projectID)
 	if err != nil {
 		return err
@@ -362,12 +362,12 @@ func (a *App) DeleteProject(ctx context.Context, ownerID, projectID int64) error
 	for listingRows.Next() {
 		var id int64
 		if err := listingRows.Scan(&id); err != nil {
-			listingRows.Close()
+			closeRows(listingRows)
 			return err
 		}
 		listingIDs = append(listingIDs, id)
 	}
-	listingRows.Close()
+	closeRows(listingRows)
 	for _, id := range listingIDs {
 		if _, err := tx.ExecContext(ctx, `DELETE FROM price_history WHERE listing_id = ?`, id); err != nil {
 			return err
@@ -392,7 +392,7 @@ func (a *App) DeleteListing(ctx context.Context, ownerID, listingID int64) error
 	if err != nil {
 		return err
 	}
-	defer tx.Rollback()
+	defer rollbackTx(tx)
 	if _, err := tx.ExecContext(ctx, `
 		DELETE FROM price_history
 		 WHERE listing_id IN (
@@ -508,10 +508,10 @@ func (a *App) ListingsForProject(ctx context.Context, projectID int64, withHisto
 		items = append(items, *item)
 	}
 	if err := rows.Err(); err != nil {
-		rows.Close()
+		closeRows(rows)
 		return nil, err
 	}
-	rows.Close()
+	closeRows(rows)
 	if withHistory {
 		for i := range items {
 			history, err := a.PriceHistory(ctx, items[i].ID)
@@ -562,7 +562,7 @@ func (a *App) TeamOverview(ctx context.Context, portalUserIDs []string, all bool
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	items := []TeamOverviewRow{}
 	for rows.Next() {
 		var item TeamOverviewRow
@@ -614,7 +614,7 @@ func (a *App) PriceHistory(ctx context.Context, listingID int64) ([]PricePoint,
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer closeRows(rows)
 	out := []PricePoint{}
 	for rows.Next() {
 		var p PricePoint