improve model debugging workflow - #611

expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> ++++++ command cargo metadata --format-version 1 --no-deps
expand-distro-0.2.0> +++ command cargo --version
expand-distro-0.2.0> cargo 1.95.0-nightly (85eff7c80 2026-01-15)
expand-distro-0.2.0> +++ command cargo build --release --message-format json-render-diagnostics --features python,parallelism --bin expand-distro
expand-distro-0.2.0>    Compiling bzip2-sys v0.1.13+1.0.8
expand-distro-0.2.0>    Compiling pyo3-build-config v0.24.2
expand-distro-0.2.0>    Compiling psyche-core v0.2.0 (/build/source/shared/core)
expand-distro-0.2.0>    Compiling psyche-tui v0.2.0 (/build/source/shared/tui)
expand-distro-0.2.0>    Compiling bzip2 v0.4.4
expand-distro-0.2.0>    Compiling zip v0.6.6
expand-distro-0.2.0>    Compiling pyo3-macros-backend v0.24.2
expand-distro-0.2.0>    Compiling pyo3-ffi v0.24.2
expand-distro-0.2.0>    Compiling pyo3 v0.24.2
expand-distro-0.2.0>    Compiling torch-sys v0.22.0 (https://github.com/NousResearch/tch-rs.git?rev=dda507e05a776547a112b6854d1e611684f8c729#dda507e0)
expand-distro-0.2.0>    Compiling psyche-metrics v0.2.0 (/build/source/shared/metrics)
expand-distro-0.2.0>    Compiling psyche-coordinator v0.2.0 (/build/source/shared/coordinator)
expand-distro-0.2.0>    Compiling psyche-watcher v0.2.0 (/build/source/shared/watcher)
expand-distro-0.2.0>    Compiling pyo3-macros v0.24.2
expand-distro-0.2.0>    Compiling tch v0.22.0 (https://github.com/NousResearch/tch-rs.git?rev=dda507e05a776547a112b6854d1e611684f8c729#dda507e0)
expand-distro-0.2.0>    Compiling pyo3-tch v0.22.0 (https://github.com/NousResearch/tch-rs.git?rev=dda507e05a776547a112b6854d1e611684f8c729#dda507e0)
expand-distro-0.2.0>    Compiling psyche-modeling v0.2.0 (/build/source/shared/modeling)
expand-distro-0.2.0>    Compiling psyche-network v0.2.0 (/build/source/shared/network)
expand-distro-0.2.0>    Compiling psyche-python-extension-impl v0.2.0 (/build/source/python/extension-impl)
expand-distro-0.2.0>    Compiling psyche-data-provider v0.2.0 (/build/source/shared/data-provider)
expand-distro-0.2.0>    Compiling psyche-eval v0.2.0 (/build/source/shared/eval)
expand-distro-0.2.0>    Compiling psyche-client v0.2.0 (/build/source/shared/client)
expand-distro-0.2.0>    Compiling expand-distro v0.2.0 (/build/source/tools/rust-tools/expand-distro)
expand-distro-0.2.0>     Finished `release` profile [optimized] target(s) in 1m 08s
expand-distro-0.2.0> searching for bins/libs to install from cargo build log at cargoBuildLogrrwp.json
expand-distro-0.2.0> installing /build/source/target/release/expand-distro in postBuildInstallFromCargoBuildLogOutTempVUo/bin
expand-distro-0.2.0> searching for bins/libs complete
expand-distro-0.2.0> buildPhase completed in 1 minutes 12 seconds
expand-distro-0.2.0> Running phase: installPhase
expand-distro-0.2.0> stripping references to Rust toolchain
expand-distro-0.2.0> Rust toolchain at: /nix/store/g8lx95m2mcshkbshdhzyfddak8zh774y-rust-default-1.95.0-nightly-2026-01-22
expand-distro-0.2.0> stripping Rust toolchain references done
expand-distro-0.2.0> stripping references to cargoVendorDir from:
expand-distro-0.2.0> /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0/bin/expand-distro
expand-distro-0.2.0> stripping references done
expand-distro-0.2.0> Running phase: fixupPhase
expand-distro-0.2.0> shrinking RPATHs of ELF executables and libraries in /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0
expand-distro-0.2.0> shrinking /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0/bin/expand-distro
expand-distro-0.2.0> checking for references to /build/ in /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0...
expand-distro-0.2.0> patching script interpreter paths in /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0
expand-distro-0.2.0> stripping (with command strip and flags -S -p) in  /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0/bin
expand-distro-0.2.0> shrinking RPATHs of ELF executables and libraries in /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0
expand-distro-0.2.0> shrinking /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0/bin/expand-distro
expand-distro-0.2.0> autoFixElfFiles: using removeStubsFromRunpath to fix /nix/store/x4lc2c8v9w1rpk4nqkj49bvcshi6pdmy-expand-distro-0.2.0/bin/expand-distro