All were excerpt caches. Tuning playbook 662 -> 16216 words, ML Yearning
527 -> 26084 (the whole book, was ch13-19), bekman 579 -> 2357 (three
concatenated pages), Spinning Up 842 -> 3353. The Qwen3 report was truncated
mid-section 4.3 and now runs to the appendix.
Spinning Up as a Deep RL Researcher was only a bare code link; it's the
canonical RL-researcher guide and its debugging advice is gold. Cache the
rigour/debugging sections verbatim and quote the sharpest lines in the RL
sub-skill: "broken RL code almost always fails silently", "if it doesn't work,
assume there's a bug", "measure everything ... you can't tell it's broken if
you can't see that it's breaking", and test on more than one env. Add to RL
sources.
Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>
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