make test was run in the build sandbox successfully.

Validated steps:
- dune build src/storage_sim.exe
- scripts/render_diagrams.sh
- PCS scale-both scenario
- USM scale-both scenario
- output verification
- deterministic repeatability hash check for PCS
- deterministic repeatability hash check for USM

Repeatability hashes from the sandbox run:
- PCS: a53a92b8239bd93ce7d2ae153b953ebf002e95916a074bf29c6bbb7813e3cd55
- USM: 5fd40d74cebb7aefb886bc3e997ed4115a38b846f794be6d18682a6c109a0292
