feat: change default model for vlm_providers to claude-sonnet-4-6

Author: philipph-askui

src/askui/model_providers/anthropic_vlm_provider.py

@@ -16,7 +16,7 @@
 from askui.models.shared.prompts import SystemPrompt
 from askui.models.shared.tools import ToolCollection
 
-_DEFAULT_MODEL_ID = "claude-sonnet-4-5-20251101"
+_DEFAULT_MODEL_ID = "claude-sonnet-4-6"
 
 
 class AnthropicVlmProvider(VlmProvider):

src/askui/model_providers/askui_vlm_provider.py

@@ -17,7 +17,7 @@
 from askui.models.shared.prompts import SystemPrompt
 from askui.models.shared.tools import ToolCollection
 
-_DEFAULT_MODEL_ID = "claude-sonnet-4-5-20250929"
+_DEFAULT_MODEL_ID = "claude-sonnet-4-6"
 
 
 class AskUIVlmProvider(VlmProvider):