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

services/providers/config.py

@@ -79,15 +79,6 @@ class ProvidersConfig:
         os.getenv("OPENAI_HEALTH_CHECK_TIMEOUT", "5")
     )
 
-    # Ollama (local LLM) - default model is config-only, no hardcode in provider
-    _DEFAULT_OLLAMA_MODEL: str = "llama3"
-    OLLAMA_ENABLED: bool = os.getenv("OLLAMA_ENABLED", "false").lower() == "true"
-    OLLAMA_BASE_URL: str = os.getenv("OLLAMA_BASE_URL", "http://localhost:11434")
-    OLLAMA_MODEL: str = os.getenv("OLLAMA_MODEL", _DEFAULT_OLLAMA_MODEL)
-    OLLAMA_VISION_MODEL: str = os.getenv("OLLAMA_VISION_MODEL", "llava")
-    OLLAMA_TIMEOUT: int = int(os.getenv("OLLAMA_TIMEOUT", "120"))
-    OLLAMA_MAX_RETRIES: int = int(os.getenv("OLLAMA_MAX_RETRIES", "2"))
-    OLLAMA_RETRY_DELAY: float = float(os.getenv("OLLAMA_RETRY_DELAY", "2.0"))
 
     # OpenRouter (multi-model API)
     OPENROUTER_ENABLED: bool = (
@@ -193,12 +184,6 @@ class ProvidersConfig:
                 base_url=cls.OPENAI_BASE_URL or None,
                 model=cls.OPENAI_MODEL,
             ),
-            "ollama": ProviderSettings(
-                enabled=cls.OLLAMA_ENABLED,
-                api_key=None,
-                base_url=cls.OLLAMA_BASE_URL,
-                model=cls.OLLAMA_MODEL,
-            ),
             "openrouter": ProviderSettings(
                 enabled=cls.OPENROUTER_ENABLED,
                 api_key=cls.OPENROUTER_API_KEY if cls.OPENROUTER_API_KEY else None,