Function ollama_profile 

pub fn ollama_profile(
    has_projector: bool,
    weight_path: Option<&str>,
) -> GgufArchitectureProfile

The profile for an Ollama model: vision when it ships a projector, otherwise the GGUF architecture’s profile (read from weight_path) if recognized, else the plain chat default.

weight_path must be absolute — a leading ~ is not expanded (the Ollama scanner always passes a resolved blob path; a ~-relative path would fail to open and fall through to the chat default).