Update config_models.py

config_models.py

@@ -41,11 +41,34 @@ class ProviderSettings(BaseModelWithDatetime):
 
 # ===================== Global Config =====================
 class GlobalConfig(BaseModelWithDatetime):
-    llm_provider: ProviderSettings
-    tts_provider: ProviderSettings
-    stt_provider: ProviderSettings
+    llm_provider: ProviderSettings = Field(
+        default_factory=lambda: ProviderSettings(
+            name="spark_cloud",
+            api_key="",
+            endpoint="http://localhost:8080",
+            settings={}
+        )
+    )
+    tts_provider: ProviderSettings = Field(
+        default_factory=lambda: ProviderSettings(
+            name="no_tts",
+            api_key="",
+            endpoint=None,
+            settings={}
+        )
+    )
+    stt_provider: roviderSettings = Field(
+        default_factory=lambda: ProviderSettings(
+            name="no_stt",
+            api_key="",
+            endpoint=None,
+            settings={}
+        )
+    )
     providers: List[ProviderDefinition] = Field(default_factory=list)
     users: List[UserConfig] = Field(default_factory=list)
+    last_update_date: Optional[str] = None
+    last_update_user: Optional[str] = None
     
     def is_cloud_mode(self) -> bool:
         """Check if running in cloud mode"""