fix: accumulate mixed-content ClaML labels (full titles)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/claml.rs

@@ -126,9 +126,8 @@ pub fn load(path: &str) -> Result<HashMap<String, IcdMeta>, AppError> {
             Ok(Event::Text(txt)) => {
                 if in_preferred {
                     if let Some(m) = cur.as_mut() {
-                        if m.description.is_empty() {
-                            m.description = txt.unescape().unwrap_or_default().into_owned();
-                        }
+                        let s = txt.unescape().unwrap_or_default();
+                        m.description.push_str(&s);
                     }
                 }
             }

tests/claml_tests.rs

@@ -11,3 +11,14 @@ fn parses_real_claml_meta_and_titles() {
     assert_eq!(a01.para295, "V");           // 3-digit non-codable
     assert!(map.len() > 10_000);
 }
+
+#[test]
+fn mixed_content_label_not_truncated() {
+    let map = alpha_id::claml::load("icd-claml/Klassifikationsdateien/icd10gm2026syst_claml_20250912.xml").unwrap();
+    let d51 = map.get("D51").expect("D51 present");
+    assert!(d51.description.contains("12"),
+        "mixed-content label truncated: {:?}", d51.description);
+    let e75 = map.get("E75.0").expect("E75.0 present");
+    assert!(e75.description.starts_with("GM2"),
+        "mixed-content label truncated: {:?}", e75.description);
+}