Update Gemini model version

app/config/settings.py

@@ -17,6 +17,8 @@ os.makedirs(TMP_DIR, exist_ok=True)
 
 # Gemini API Key (for text normalization)
 GEMINI_API_KEY = os.getenv("GEMINI_API_KEY", "")
+GEMINI_MODEL = os.getenv("GEMINI_MODEL", "")
+
 # External services
 NOTE_SERVICE_URL = os.getenv(
     "NOTE_SERVICE_URL",

app/services/nlp_postprocess.py

@@ -4,7 +4,7 @@ import logging
 
 from app.infra.redis_client import redis_client
 from app.utils.hashing import sha256
-from app.config.settings import GEMINI_API_KEY
+from app.config.settings import GEMINI_API_KEY, GEMINI_MODEL
 
 # New official client
 try:
@@ -20,7 +20,7 @@ CACHE_TTL = 60 * 60 * 24 * 3  # 3 days
 
 # Tạo client Gemini nếu có API key
 _gemini_client = None
-_GEMINI_MODEL = "gemini-1.5-flash"  # hoặc "gemini-1.5-flash-latest"
+_GEMINI_MODEL = GEMINI_MODEL
 
 if GEMINI_API_KEY and genai is not None:
     try:

app/services/text_normalizer.py

@@ -15,10 +15,10 @@ except Exception:
 	class GoogleAPIError(Exception):
 		pass
 
-from app.config.settings import GEMINI_API_KEY
+from app.config.settings import GEMINI_API_KEY, GEMINI_MODEL
 
 _gemini_client = None
-_GEMINI_MODEL = "gemini-1.5-flash"  # hoặc "gemini-1.5-flash-latest"
+_GEMINI_MODEL = GEMINI_MODEL  
 
 if GEMINI_API_KEY and genai is not None:
 	try: