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- Default OLLAMA_INTENT_MODEL to qwen2.5:1.5b in code instead of empty - Add GET /api/settings/models endpoint returning installed models and defaults - Validate intent_model against installed models on save (same as default_model) - Replace intent model text input with a dropdown of installed models - Add chat model dropdown to Assistant settings section Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>