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That depends on which chain wear tool you have. I'm gonna guess its the Park tool. Of which there are at least 3. I find they give slightly different readings (although they probably shouldn't). Of the two static ones for example the long one seems to be a bit less generous.
Ed said:
New chain, cassette and possibly chainring.
In which case I'd continue riding it until it starts skipping or dies. As you pointed out (hippy) best to see how worn your chainring is. Either way its got to this stage. I'm sure you can get a few more hundred km without doing too much more damage.
Chain wear indicator >1.0.
Replace chain or leave everything and ride until total destruction?