feat: basic pr diff rendering

src/api/issues.rs

@@ -41,6 +41,7 @@ pub(crate) struct PullRequest {
 
 #[derive(Debug, Deserialize)]
 pub(crate) struct DetailedPullRequest {
+    pub(crate) id: Id,
     pub(crate) title: Arc<str>,
     pub(crate) state: PullRequestState,
     pub(crate) is_draft: bool,
@@ -189,7 +190,7 @@ pub(crate) struct ChangedFile {
     pub(crate) change_type: ChangeType,
     pub(crate) additions: i64,
     pub(crate) deletions: i64,
-    pub(crate) path: String,
+    pub(crate) path: Arc<str>,
     pub(crate) viewer_viewed_state: FileViewedState,
 }
 
@@ -408,6 +409,7 @@ impl query::QueryFn for FetchPullRequest {
                     })?;
 
                 Ok(DetailedPullRequest {
+                    id: Id(p.id.into()),
                     title: p.title.into(),
                     state: p.state,
                     is_draft: p.is_draft,
@@ -531,7 +533,7 @@ impl query::QueryFn for FetchPullRequestFileTree {
                             },
                             additions: node.additions,
                             deletions: node.deletions,
-                            path: node.path,
+                            path: node.path.into(),
                             viewer_viewed_state: node.viewer_viewed_state,
                         })
                     })