fix up formatting (again)

src/main.rs

···
     }: &IssueDetails,
 ) -> Result<()> {
     let message = format!(
-        r#"good-first-issue added for {repo_full_name}:
+        r#"New from {repo_full_name}:
 
 > {title}"#
     );
+
+    let pre_len = 9;
 
     let repo_feature = serde_json::json!({
         "$type": "app.bsky.richtext.facet#link",
···
     let repo_facet = Facet {
         features: vec![Data::from_json(&repo_feature)?],
         index: ByteSlice {
-            byte_start: 27,
-            byte_end: 29 + repo_full_name.len() as i64,
+            byte_start: pre_len,
+            byte_end: pre_len + repo_full_name.len() as i64,
             extra_data: Default::default(),
         },
         extra_data: Default::default(),
     };
 
-    let title_starts_at = (29 + repo_full_name.len() + 5) as i64;
+    let title_starts_at = pre_len + (repo_full_name.len() + 5) as i64;
 
     let repo_issues_feature = serde_json::json!({
         "$type": "app.bsky.richtext.facet#link",