Some of it varies from one person to the next. It helps to read food labels to know the nutritional content of various foods which can help clarify.
Milk contains a lot of natural sugar, which can feed candida, so it’s recommended to avoid it until the final stage of the diet. Some people do well to reduce their overall dairy intake long term.
Chickpeas are a bean/legume and my understanding is they can be added back in Stage 2. I am actually cooking a batch right now! 🙂 Going to make hummus.
I’m not positive, but I believe fresh coconut is okay. Fresh coconut does have a higher sugar content than coconut oil and milk though so proceed with caution and see what affect it has on you.
What are the ingredients in soba noodles? That should tell you when they can be added.