improve model debugging workflow - #611

these 3 derivations will be built:
  /nix/store/909g1llay3fh7ki995xsy12vhcs2bcb7-install-agenix-shell.drv
  /nix/store/mha7dpd1s2dvh7pbjrk6a0q2272sq9mj-psyche-python-env.drv
  /nix/store/p2mv9s45kc9ls30vrri3a5lxkcv35nag-nix-shell.drv
this path will be fetched (0.43 MiB download, 5.56 MiB unpacked):
  /nix/store/q7whraq6h87grwcbhmc0b1sr31qmylf4-cargo-all-features-1.12.0
psyche-python-env> Sourcing pyproject-make-venv-hook
psyche-python-env> Using pyprojectMakeVenv
psyche-python-env> Running phase: updateAutotoolsGnuConfigScriptsPhase
psyche-python-env> Running phase: installPhase
psyche-python-env> Executing pyprojectMakeVenv
psyche-python-env> Finished executing pyprojectMakeVenv
psyche-python-env> Running phase: fixupPhase
psyche-python-env> shrinking RPATHs of ELF executables and libraries in /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env
psyche-python-env> shrinking /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env/bin/python3.12
psyche-python-env> checking for references to /build/ in /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env...
psyche-python-env> patching script interpreter paths in /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env
psyche-python-env> stripping (with command strip and flags -S -p) in  /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env/lib /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env/lib64 /nix/store/zl0y185pj2n2hxw7v4jlcgywi1x2yvv6-psyche-python-env/bin
nix-shell> source: sourcing removeStubsFromRunpathHook.bash (hostOffset=-1) (targetOffset=0)
nix-shell> source: added removeStubsFromRunpathHookRegistration to prePhases
nix-shell> Sourcing fix-elf-files.sh
nix-shell> Running phase: buildPhase