Diagnostics, hover, and autocomplete have all gone quiet because the embedded Python language server crashed or never came up.
server exited unexpectedly.Either the server process died (incompatible interpreter, missing dependency, a Python file that panics at parse time) or automationview.pythonPath points somewhere that is not a Python 3.10+ interpreter.
automationview.pythonPath.auto to use the bundled interpreter, or point it at a Python 3.10+ executable on your system.Switch the Output panel to the AutomationView channel, copy the traceback, and file an issue. Include OS, AutomationView version, and the value of automationview.pythonPath.