Read Temporal URL from config

Add TEMPOLAR_URL default ("temporal:7233") to Config and use
config.TEMPOLAR_URL when connecting the Temporal client. Also import
config in temporal module and remove a duplicate httpx import.

src/core/config.py

@@ -1,8 +1,7 @@
+from httpx import Client
 from pydantic import BaseModel
 from pydantic_settings import BaseSettings
 
-from httpx import Client
-
 
 class Settings(BaseSettings):
     VAULT_HOST: str
@@ -35,6 +34,8 @@ class Config(BaseModel):
 
     OPENAI_API_KEY: str
 
+    TEMPOLAR_URL: str = "temporal:7233"
+
 
 def get_config() -> Config:
     settings = Settings()  # type: ignore
@@ -45,7 +46,7 @@ def get_config() -> Config:
             headers={
                 "X-Vault-Token": settings.VAULT_TOKEN,
                 "Content-Type": "application/json",
-            }
+            },
         )
 
         response.raise_for_status()

src/core/temporal.py

@@ -1,10 +1,10 @@
 from temporalio.client import Client
 from temporalio.contrib.pydantic import pydantic_data_converter
 
+from core.config import config
+
 
 async def get_client() -> Client:
     return await Client.connect(
-        "temporal:7233",
-        namespace="default",
-        data_converter=pydantic_data_converter
+        config.TEMPOLAR_URL, namespace="default", data_converter=pydantic_data_converter
     )