Forward inlay hint refresh requests to clients, test coop inlay hints

crates/editor/src/editor.rs

@@ -7596,6 +7596,10 @@ impl Editor {
     pub fn next_inlay_id(&mut self) -> InlayId {
         InlayId(post_inc(&mut self.next_inlay_id))
     }
+
+    pub fn inlay_hint_cache(&self) -> &InlayHintCache {
+        &self.inlay_hint_cache
+    }
 }
 
 fn consume_contiguous_rows(

crates/editor/src/inlay_hint_cache.rs

@@ -24,16 +24,18 @@ struct InlayHintUpdateTask {
     _task: Task<()>,
 }
 
-struct CacheSnapshot {
-    hints: HashMap<ExcerptId, Arc<CachedExcerptHints>>,
-    allowed_hint_kinds: HashSet<Option<InlayHintKind>>,
-    version: usize,
+#[derive(Debug)]
+pub struct CacheSnapshot {
+    pub hints: HashMap<ExcerptId, Arc<CachedExcerptHints>>,
+    pub allowed_hint_kinds: HashSet<Option<InlayHintKind>>,
+    pub version: usize,
 }
 
-struct CachedExcerptHints {
+#[derive(Debug)]
+pub struct CachedExcerptHints {
     version: usize,
     buffer_version: Global,
-    hints: Vec<(InlayId, InlayHint)>,
+    pub hints: Vec<(InlayId, InlayHint)>,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -91,6 +93,10 @@ impl InlayHintCache {
         }
     }
 
+    pub fn snapshot(&self) -> &CacheSnapshot {
+        &self.snapshot
+    }
+
     pub fn update_settings(
         &mut self,
         multi_buffer: &ModelHandle<MultiBuffer>,