- turned model_variables into a class with lazy loading

- some improvements to Healthchecks

requirements.txt

@@ -26,22 +26,22 @@ greenlet~=3.0.3
 gunicorn~=22.0.0
 Jinja2~=3.1.4
 kombu~=5.3.7
-langchain~=0.2.7
-langchain-anthropic~=0.1.19
-langchain-community~=0.2.7
-langchain-core~=0.2.16
-langchain-mistralai~=0.1.9
-langchain-openai~=0.1.15
-langchain-postgres~=0.0.9
-langchain-text-splitters~=0.2.2
+langchain~=0.3.0
+langchain-anthropic~=0.2.0
+langchain-community~=0.3.0
+langchain-core~=0.3.0
+langchain-mistralai~=0.2.0
+langchain-openai~=0.2.0
+langchain-postgres~=0.0.12
+langchain-text-splitters~=0.3.0
 langcodes~=3.4.0
 langdetect~=1.0.9
 langsmith~=0.1.81
-openai~=1.35.13
+openai~=1.45.1
 pg8000~=1.31.2
 pgvector~=0.2.5
 pycryptodome~=3.20.0
-pydantic~=2.7.4
+pydantic~=2.9.1
 PyJWT~=2.8.0
 PySocks~=1.7.1
 python-dateutil~=2.9.0.post0
@@ -53,7 +53,7 @@ pytz~=2024.1
 PyYAML~=6.0.2rc1
 redis~=5.0.4
 requests~=2.32.3
-SQLAlchemy~=2.0.31
+SQLAlchemy~=2.0.35
 tiktoken~=0.7.0
 tzdata~=2024.1
 urllib3~=2.2.2
@@ -76,4 +76,7 @@ PyPDF2~=3.0.1
 flask-restx~=1.3.0
 prometheus-flask-exporter~=0.23.1
 flask-healthz~=1.0.1
+langsmith~=0.1.121
+anthropic~=0.34.2
+prometheus-client~=0.20.0