VSCode warns and loops about dune preview install

[davesnx]

https://github.com/user-attachments/assets/aa6b69a7-edc1-44fb-a796-afb63887098a

• No opam switch installed
• "Dune Developer Preview: build 2025-10-31T02:31:55Z, git revision 5ab19c20651809e31d597a4b1e4d70cad1c0e484
• No ocaml-lsp installed it crashes when running

  une tools exec ocamllsp
  nternal error, please report upstream including the contents of _build/log.
  escription:
   ("No lock dir path for context available", { context = "default" })
  aised at Stdune__Code_error.raise in file "stdune__Code_error.ml", line 11,
   characters 30-62
  alled from Fiber__Core.O.(>>|).(fun) in file "fiber__Core.ml", line 258,
   characters 36-41
  alled from Fiber__Scheduler.exec in file "fiber__Scheduler.ml", line 77,
   characters 8-11
  > required by ("toplevel", ())
  
   must not crash.  Uncertainty is the mind-killer. Exceptions are the
  ittle-death that brings total obliteration.  I will fully express my cases.
  xecution will pass over me and through me.  And when it has gone past, I
  ill unwind the stack along its path.  Where the cases are handled there will
  e nothing.  Only I will remain.
  

• vscode-ocaml-platform @ 1.32.4

[davesnx]

Without dune.lock it stops happening