Cross-compilation for aarch64-unknown-linux-gnu requires OpenSSL
dev libraries for the target platform. Using `cross` handles this
automatically via Docker containers with pre-installed dependencies.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
FSRS-6 spaced repetition, spreading activation, synaptic tagging,
hippocampal indexing, and 130 years of memory research.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>