Bernd Worsch debc0b7d81 fix(WP-0014/A2): fix devenv shell — IHP_LIB, ghci, ghcid now available ...

Root cause: devenv shell reads devenv.nix only; IHP's Haskell setup is in
flake.nix's devenv.shells.default which is only loaded by nix develop.

Fix: create devenv.yaml to register IHP as a devenv input (pinned to the
same rev as flake.lock) with overlays.default applied.  Update devenv.nix
to set IHP_LIB/IHP env vars and enable languages.haskell with pkgs.ghc
(IHP-overlay GHC) + all project packages; add ghcid explicitly.

devenv.lock pins IHP at df3922d (matches flake.lock).

scripts/compile-check: updated header comments and added IHP_LIB echo;
switches from ghcid to ghci one-shot (ghcid not available in all shells).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-04-12 13:11:41 +00:00

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