feat: add in_reply_to_url field to FeedRow and ThoughtRow, update related queries and handlers

crates/domain/src/models/thought.rs

@@ -15,6 +15,7 @@ pub struct Thought {
     pub user_id: UserId,
     pub content: Content,
     pub in_reply_to_id: Option<ThoughtId>,
+    pub in_reply_to_url: Option<String>,
     pub visibility: Visibility,
     pub content_warning: Option<String>,
     pub sensitive: bool,
@@ -66,6 +67,7 @@ impl Thought {
             user_id: p.user_id,
             content: p.content,
             in_reply_to_id: p.in_reply_to_id,
+            in_reply_to_url: None,
             visibility: p.visibility,
             content_warning: p.content_warning,
             sensitive: p.sensitive,