fix: prevent crash when query cds is missing

packages/nextclade/src/analyze/find_private_aa_mutations.rs

@@ -61,16 +61,22 @@ pub fn find_private_aa_mutations(
         .get(&cds.name)
         .map(|node_mut_map| (cds, node, node_mut_map))
     })
-    .map(|(cds, node, node_mut_map)| {
+    .filter_map(|(cds, node, node_mut_map)| {
+      let ref_peptide = ref_translation.get_cds(&cds.name).ok();
+      let qry_peptide = qry_translation.get_cds(&cds.name).ok();
+      if let (Some(ref_peptide), Some(qry_peptide)) = (ref_peptide, qry_peptide) {
+        Some((cds, node, node_mut_map, ref_peptide, qry_peptide))
+      } else {
+        None
+      }
+    })
+    .map(|(cds, node, node_mut_map, ref_peptide, qry_peptide)| {
       let aln = NucAlignmentWithOverlay::new(aln, &node.tmp.mutations);
 
-      let ref_peptide = ref_translation.get_cds(&cds.name)?;
-      let qry_peptide = qry_translation.get_cds(&cds.name)?;
-
       let empty = btreemap! {};
       let node_aa_muts = node.tmp.aa_mutations.get(&cds.name).unwrap_or(&empty);
-      let ref_tr = AaAlignment::new(cds, ref_peptide, qry_peptide); // alignment ref -> qry
-      let node_tr = AaAlignmentView::new(&ref_tr, node_aa_muts); // alignment node -> qry
+      let ref_tr = AaAlignment::new(cds, ref_peptide, qry_peptide); // alignment: ref -> qry
+      let node_tr = AaAlignmentView::new(&ref_tr, node_aa_muts); // alignment: node -> qry
 
       let empty = vec![];
       let aa_unsequenced_ranges = aa_unsequenced_ranges.get(&cds.name).unwrap_or(&empty);

packages/nextclade/src/translate/translate_genes.rs

@@ -50,7 +50,9 @@ impl Translation {
       .iter()
       .find_map(|(_, gene)| gene.cdses.get(cds_name))
       .ok_or_else(|| {
-        make_internal_report!("When looking up a CDS translation: CDS '{cds_name}' is expected, but not found")
+        make_internal_report!(
+          "Translation::get_cds():  When looking up a CDS translation: CDS '{cds_name}' is expected, but not found"
+        )
       })
   }
 
@@ -115,7 +117,7 @@ impl GeneTranslation {
     let cds_name = cds_name.as_ref();
     self.cdses.get(cds_name).ok_or_else(|| {
       make_internal_report!(
-        "When looking up a CDS translation: CDS '{cds_name}' in gene '{}' is expected, but not found",
+        "GeneTranslation::get_cds(): When looking up a CDS translation: CDS '{cds_name}' in gene '{}' is expected, but not found",
         self.gene.name
       )
     })