add HTML line breaks to timestamps for better display in podcast clients

Add <br> tags after each timestamp to ensure proper line breaks
in HTML-based podcast clients while maintaining readability.

Author: umputun

rss_generator/proc/generator.go

@@ -174,8 +174,8 @@ func (g *RSSGenerator) createItemData(feed FeedConfig, post Post) (ItemData, err
 		ulRegex := regexp.MustCompile(`<ul>[\s\S]*?</ul>`)
 		cleanedHTML := ulRegex.ReplaceAllString(postDescriptionHTML, "")
 
-		// YouTube chapters as plain text
-		chaptersText := strings.Join(youtubeChapters, "\n")
+		// YouTube chapters with HTML line breaks
+		chaptersText := strings.Join(youtubeChapters, "<br>\n")
 
 		// combine chapters with remaining HTML (image and audio links)
 		rssDescriptionHTML = chaptersText + "\n" + cleanedHTML

rss_generator/proc/generator_test.go

@@ -241,7 +241,7 @@ func TestRSSGenerator_createItemData(t *testing.T) {
 		require.NoError(t, err)
 
 		// check that timestamps were converted to YouTube format (HH:MM:SS for videos over 1 hour)
-		assert.Contains(t, res.Description, "00:00:00 Вступление\n")
+		assert.Contains(t, res.Description, "00:00:00 Вступление<br>")
 		assert.Contains(t, res.Description, "00:08:46 <a href")
 		assert.Contains(t, res.Description, "00:27:21 <a href")
 		assert.Contains(t, res.Description, "01:51:51 <a href")
@@ -291,9 +291,9 @@ func TestRSSGenerator_createItemData(t *testing.T) {
 		})
 		require.NoError(t, err)
 
-		expectedDescription := `00:00:00 Вступление
-00:08:46 <a href="https://example.com/apple">Apple останавливает продажи часов</a>
-00:27:21 <a href="https://example.com/debt">Весь код это технический долг</a>
+		expectedDescription := `00:00:00 Вступление<br>
+00:08:46 <a href="https://example.com/apple">Apple останавливает продажи часов</a><br>
+00:27:21 <a href="https://example.com/debt">Весь код это технический долг</a><br>
 01:51:51 Темы слушателей
 <p><img src="https://example.com/image.jpg" alt="" /></p>
 
@@ -345,7 +345,7 @@ func TestRSSGenerator_createItemData(t *testing.T) {
 		require.NoError(t, err)
 
 		// should still convert properly without the period
-		assert.Contains(t, res.Description, "00:00:00 Intro\n")
+		assert.Contains(t, res.Description, "00:00:00 Intro<br>")
 		assert.Contains(t, res.Description, "00:15:30 <a href")
 		assert.Contains(t, res.Description, "01:45:20 <a href")
 	})