feat(nlp-service): spaCy model loading with get_nlp/load_all_models

nlp-service/extractor.py

@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+import re
+from datetime import date
+
+import dateparser
+import spacy
+from spacy.language import Language
+
+from models import ParseResponse
+
+# ── Language model registry ──────────────────────────────────────────────────
+
+_MODEL_NAMES: dict[str, str] = {
+    "de": "de_core_news_sm",
+    "en": "en_core_web_sm",
+    "es": "es_core_news_sm",
+}
+
+_nlp_cache: dict[str, Language] = {}
+
+
+def get_nlp(lang: str) -> Language:
+    if lang not in _MODEL_NAMES:
+        raise ValueError(f"Unsupported language: {lang!r}. Valid: {list(_MODEL_NAMES)}")
+    if lang not in _nlp_cache:
+        _nlp_cache[lang] = spacy.load(_MODEL_NAMES[lang])
+    return _nlp_cache[lang]
+
+
+def load_all_models() -> None:
+    for lang in _MODEL_NAMES:
+        get_nlp(lang)