fix: use u16 instead of i64

src/twitter.rs

@@ -49,7 +49,7 @@ struct TweetReply {
 #[derive(Serialize, Debug)]
 pub struct TweetPoll {
     pub options: Vec<String>,
-    pub duration_minutes: i64,
+    pub duration_minutes: u16,
 }
 
 #[derive(Deserialize, Debug)]
@@ -435,7 +435,8 @@ pub fn transform_poll(p: &Poll) -> TweetPoll {
 
     TweetPoll {
         options: p.options.iter().map(|i| i.title.clone()).collect(),
-        duration_minutes: diff.num_minutes(),
+        duration_minutes: diff.num_minutes().try_into().unwrap(), // safe here, number is positive
+                                                                  // and can’t be over 21600
     }
 }