Restore gemma

libs/agent/agent/core/provider_config.py

@@ -6,7 +6,7 @@ from ..providers.omni.types import LLMProvider
 DEFAULT_MODELS = {
     LLMProvider.OPENAI: "gpt-4o",
     LLMProvider.ANTHROPIC: "claude-3-7-sonnet-20250219",
-    LLMProvider.OLLAMA: "qwen2.5:7b",
+    LLMProvider.OLLAMA: "gemma3:4b-it-q4_K_M",
 }
 
 # Map providers to their environment variable names

libs/agent/agent/providers/omni/clients/ollama.py

@@ -20,7 +20,7 @@ class OllamaClient(BaseOmniClient):
 
         Args:
             api_key: Not used
-            model: Ollama model name (e.g. "qwen2.5:7b")
+            model: Ollama model name (e.g. "gemma3:4b-it-q4_K_M")
             max_retries: Maximum number of retries for API calls
             retry_delay: Base delay between retries in seconds
         """

libs/agent/agent/providers/omni/types.py

@@ -36,7 +36,7 @@ Model = LLM
 PROVIDER_TO_DEFAULT_MODEL: Dict[LLMProvider, str] = {
     LLMProvider.ANTHROPIC: "claude-3-7-sonnet-20250219",
     LLMProvider.OPENAI: "gpt-4o",
-    LLMProvider.OLLAMA: "qwen2.5:7b",
+    LLMProvider.OLLAMA: "gemma3:4b-it-q4_K_M",
 }
 
 # Environment variable names for each provider