…without-system

* 'main' of github.com:/ocaml/dune: (30 commits)
  Add (files) stanza (ocaml#12879)
  Make sure to use string equality in parsing hot path (ocaml#12874)
  Hoist up [Dune_sexp.Decoder.sum] uses (ocaml#12876)
  Delay ocaml-index dependencies (ocaml#12881)
  Simplify Lib.requires (ocaml#12880)
  Lib: delay applying modules (ocaml#12884)
  Annotate some ignored parameters in lib.ml (ocaml#12883)
  feat: expand variables in `(promote (into ..))` (ocaml#12832)
  dune-binaries.t: nix ci (ocaml#12875)
  fix: greedy version location in lang declarations (ocaml#12869)
  Reproduction case for ocaml#6220. (ocaml#6221)
  Defunctionalize the dune sexp decoder (ocaml#12768)
  disable flake (ocaml#12873)
  refactor: [instantiate] takes a regular library (ocaml#12849)
  Respect potentially existing lock dir when running format rules (ocaml#12847)
  fix: ascii start
  chore: updated CR someday
  chore: added entry for CHANGES.md
  fix: else claude message
  tests: promoted non-ascii-characters.t to new logic
  ...