it happens in Cursor 0.45.9, e.g.:
“Now I am going to change file XYZ” says o3-mini, but nothing happens.
or
I say “run tests” and o3-mini answers “I am going to run tests now” and even no CLI box appears to confirm.
Switching back to claude-3.5-sonnet helps.
I guess this kind of bugs in agents will be named 420-bug 
Hey, could you share a screenshot of the error?
I have the same thing. After a few messages, the model says what he did, but he doesn’t do it. It works fine with a fresh compose.
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as an immediate reply I can share now the non-English screenshot only.
(I became too lazy to write in English with nowadays LLMs).
I gonna switch the language to English and will come back with English screenshot.
