README: mission log - 2s complete
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README.md
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Training metrics tab)
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## The mission ladder
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| craft | d / L / ctx | params | tokenizer | role |
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Training metrics tab)
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## Mission log
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- **mini-beatrix-2s — COMPLETE (2026-08-31).** 16.101B tokens / 61,422 steps
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on one card: warmup + fineweb 5B + curriculum s0-s8 + two-phase anneal
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(distribution shift without the chat frame, then with it). Final val
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1.1097 bpb (run best, set in the chat phase); zero loss spikes; 17
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boundary/session reports under `mini-beatrix-2s/reports/v2/`. Shipped
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automodel: [mini-beatrix-2s](https://huggingface.co/AbstractPhil/mini-beatrix-2s).
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Notable ops in the record: the first BOUNDARY-WRITE head revival
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(`reports/v2/revival_step24860.json`) and the archived pre-specials run0
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(`mini-beatrix-2s/archive/run0-nospecials/`).
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- **mini-beatrix-1 — COMPLETE.** The 3-hub hybrid rung;
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[automodel](https://huggingface.co/AbstractPhil/mini-beatrix-1).
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## The mission ladder
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| craft | d / L / ctx | params | tokenizer | role |
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