feat: unify multimodels translation providers, remove self-hosting (Ollama/LibreTranslate), and fix local SQLite configuration

middleware/validation.py

@@ -513,12 +513,14 @@ class ProviderValidator:
 
     SUPPORTED_PROVIDERS = {
         "google",
-        "ollama",
+        "google_cloud",
         "deepl",
-        "libre",
         "openai",
-        "webllm",
         "openrouter",
+        "openrouter_premium",
+        "deepseek",
+        "minimax",
+        "zai",
         "classic",
         "llm",
     }
@@ -558,11 +560,7 @@ class ProviderValidator:
                     code="missing_openai_key",
                 )
 
-        elif normalized == "ollama":
-            # Ollama doesn't require API key but may need model
-            model = kwargs.get("ollama_model", "")
-            if not model:
-                logger.warning("No Ollama model specified, will use default")
+
 
         return {"provider": normalized, "validated": True}