fix: include attachment TitleLink in message text output

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pkg/text/text_processor.go

@@ -18,7 +18,11 @@ func AttachmentToText(att slack.Attachment) string {
 	var parts []string
 
 	if att.Title != "" {
-		parts = append(parts, fmt.Sprintf("Title: %s", att.Title))
+		if att.TitleLink != "" {
+			parts = append(parts, fmt.Sprintf("Title: [%s](%s)", att.Title, att.TitleLink))
+		} else {
+			parts = append(parts, fmt.Sprintf("Title: %s", att.Title))
+		}
 	}
 
 	if att.AuthorName != "" {

pkg/text/text_processor_test.go

@@ -400,6 +400,21 @@ func TestAttachmentToText(t *testing.T) {
 			},
 			want: "",
 		},
+		{
+			name: "title_with_link",
+			att: slack.Attachment{
+				Title:     "Error details",
+				TitleLink: "https://sentry.io/issues/123",
+			},
+			want: "Title: [Error details][https://sentry.io/issues/123]",
+		},
+		{
+			name: "title_without_link",
+			att: slack.Attachment{
+				Title: "Plain title",
+			},
+			want: "Title: Plain title",
+		},
 	}
 
 	for _, tt := range tests {