nvim: Add direct python env set utility function

Added a simple 'set python environment' function to directly set the
correct python binary and update the PATH for python.

nvim/.config/nvim/lua/core/util.lua

@@ -32,6 +32,15 @@ end
 local function path_join(...)
 	return table.concat(vim.tbl_flatten({ ... }), "/")
 end
+function T.set_python_env(workspace)
+	local base = vim.fn.expand(require("core.util").get_python_venv_basefolder(workspace))
+	local p = vim.env.PATH or ""
+	if not base then
+		return
+	end
+	vim.g["python3_host_prog"] = vim.fn.expand(require("core.util").get_python_venv_bin())
+	vim.env.PATH = base .. "/bin:" .. p
+end
 function T.get_python_venv_bin(workspace)
 	local pyenv = T.get_python_venv_basefolder(workspace)
 	if not pyenv then

nvim/.config/nvim/lua/plugins/data_analysis.lua

@@ -9,12 +9,12 @@ return {
 			"nvim-treesitter/nvim-treesitter",
 		},
 		config = function()
+			require("core.util").set_python_env()
+
 			require("quarto").setup({
 				lspFeatures = {
 					enabled = true,
 					languages = { "r", "python", "julia", "bash" },
-					diagnostics = { enabled = false, triggers = { "BufWritePost" } },
-					completion = { enabled = true },
 				},
 				codeRunner = {
 					enabled = true,