Fix: Address linter errors by adding error handling and removing unused function

broadcaster.go

@@ -123,7 +123,12 @@ func broadcastWithRedundancyCheck(dryRun bool) {
 
 			// Mark as broadcast with special timestamp to prevent future selection
 			candidate.BroadcastTime = time.Unix(1, 0) // epoch + 1 second
-			updateArticle(candidate)
+			if err := updateArticle(candidate); err != nil {
+				logInfo("redundancy", "Error updating article", map[string]interface{}{
+					"id":    candidate.ID,
+					"error": err.Error(),
+				})
+			}
 			continue // Try next candidate
 		}
 
@@ -189,7 +194,12 @@ func broadcastArticle(chosen Article, dryRun bool) {
 
 	// Update broadcast time and save to database
 	chosen.BroadcastTime = time.Now()
-	updateArticle(chosen)
+	if err := updateArticle(chosen); err != nil {
+		logInfo("broadcaster", "Error updating article broadcast time", map[string]interface{}{
+			"id":    chosen.ID,
+			"error": err.Error(),
+		})
+	}
 
 	logInfo("broadcaster", "Set broadcast time for article", map[string]interface{}{
 		"id":            chosen.ID,

llm.go

@@ -108,7 +108,13 @@ func summarizeArticles(ollamaURL, ollamaModel string) {
 				if article.ID == id {
 					article.Summary = result.Summary
 					article.Importance = result.Importance
-					updateArticle(article)
+					if err := updateArticle(article); err != nil {
+						logInfo("summarizer", "Error updating article with summary", map[string]interface{}{
+							"id":    article.ID,
+							"error": err.Error(),
+						})
+						continue
+					}
 					updatedCount++
 					break
 				}

rss.go

@@ -49,16 +49,7 @@ var feeds = map[string]string{
 	"WSJ":             "https://feeds.a.dj.com/rss/RSSWorldNews.xml",
 }
 
-// Find the maximum abbreviation length
-func getMaxAbbreviationLength() int {
-	maxLen := 0
-	for _, abbr := range sourceAbbreviations {
-		if len(abbr) > maxLen {
-			maxLen = len(abbr)
-		}
-	}
-	return maxLen
-}
+// This function was unused and removed to satisfy linter
 
 // rssFeedChecker checks RSS feeds every 15 minutes and adds new articles to the database
 func rssFeedChecker(shutdown chan struct{}, ollamaURL, ollamaModel string) {
@@ -102,7 +93,12 @@ func checkRSSFeeds() {
 				a.ID = generateID(a.Link)
 			}
 			articles[a.Link] = a
-			saveArticle(a)
+			if err := saveArticle(a); err != nil {
+				logInfo("rss", "Error saving article", map[string]interface{}{
+					"id":    a.ID,
+					"error": err.Error(),
+				})
+			}
 			newCount++
 			logInfo("new", fmt.Sprintf("Found new article: %s", a.Title), map[string]interface{}{
 				"id":        a.ID,