feat: replace diag_group id with project_id (#1224)

crates/tinymist-project/src/compiler.rs

@@ -33,6 +33,17 @@ pub type LspInterrupt = Interrupt<LspCompilerFeat>;
 #[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
 pub struct ProjectInsId(EcoString);
 
+impl fmt::Display for ProjectInsId {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:?}", self.0)
+    }
+}
+
+impl ProjectInsId {
+    /// The primary project id.
+    pub const PRIMARY: ProjectInsId = ProjectInsId(EcoString::inline("primary"));
+}
+
 /// A signal that possibly triggers an export.
 ///
 /// Whether to export depends on the current state of the document and the user
@@ -142,6 +153,13 @@ pub struct CompiledArtifact<F: CompilerFeat> {
     pub deps: OnceLock<EcoVec<FileId>>,
 }
 
+impl fmt::Display for CompiledArtifact<LspCompilerFeat> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let rev = self.world.revision();
+        write!(f, "CompiledArtifact({:?}, rev={rev:?})", self.id)
+    }
+}
+
 impl<F: CompilerFeat> std::ops::Deref for CompiledArtifact<F> {
     type Target = CompileSnapshot<F>;