{
  "ok": true,
  "block_path": "model.layers.23.feed_forward",
  "steps": 20,
  "tokens_per_step": 32,
  "losses": [
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  "changed_total": 35189712,
  "touched_projection_count": 96,
  "peak_memory_gb": 0.68546618,
  "note": "Route-aware micro trainer updates only selected experts, but uses synthetic local loss rather than LM loss."
}