feat(nlp-service): NER person name extraction

nlp-service/extractor.py

@@ -31,3 +31,10 @@ def get_nlp(lang: str) -> Language:
 def load_all_models() -> None:
     for lang in _MODEL_NAMES:
         get_nlp(lang)
+
+
+# ── Step 1: Person name extraction ──────────────────────────────────────────
+
+def extract_person_names(doc) -> list[str]:
+    """Return PER entity texts in left-to-right span order."""
+    return [ent.text for ent in doc.ents if ent.label_ == "PER"]