fix: unsilence all error returns from SQL Exec, Bot API calls, and migrations

cmd/bot/webhook.go

@@ -13,7 +13,9 @@ import (
 
 // startWebhook registers the webhook with Telegram and starts the HTTPS/HTTP listener loop.
 func startWebhook(ctx context.Context, b *tgbot.Bot, h *bot.Handler, webhookURL string) {
-	b.DeleteWebhook(ctx, &tgbot.DeleteWebhookParams{})
+	if _, err := b.DeleteWebhook(ctx, &tgbot.DeleteWebhookParams{}); err != nil {
+		slog.Warn("failed to delete webhook", "error", err)
+	}
 
 	if _, err := b.SetWebhook(ctx, &tgbot.SetWebhookParams{URL: webhookURL}); err != nil {
 		slog.Error("set webhook", "error", err)