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@@ -43,3 +43,4 @@ custom_watch/step-1400-comparisons.jpg filter=lfs diff=lfs merge=lfs -text
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training_metrics/checkpoint_summary.md

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+# Training diagnostics by checkpoint
+
+The training metrics help flag instability. Training loss alone does not measure identity or prompt flexibility.
+
+| Step | Loss (50-step mean) | Loss variability | Gradient norm | Clipped steps (last 50) | LR | Seconds/step (last 50) | Identity score |
+| ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| 200 | 0.1735 | 0.1879 | 0.04248 | 1/50 | 0.00025 | 1.46 | — |
+| 400 | 0.1607 | 0.1969 | 0.01868 | 0/50 | 0.00025 | 1.48 | — |
+| 600 | 0.1811 | 0.201 | 0.0108 | 0/50 | 0.00025 | 1.48 | — |
+| 800 | 0.1838 | 0.2403 | 0.03931 | 0/50 | 0.00025 | 1.56 | — |
+| 1000 | 0.1189 | 0.1193 | 0.02673 | 0/50 | 0.00025 | 1.53 | — |
+| 1200 | 0.135 | 0.1671 | 0.02515 | 0/50 | 0.00025 | 1.54 | — |
+| 1400 | 0.1378 | 0.1488 | 0.0188 | 0/50 | 0.00025 | 1.54 | — |
+| 1600 | 0.1643 | 0.2016 | 0.06348 | 0/50 | 0.00025 | 1.43 | — |
+| 1800 | 0.1242 | 0.1471 | 0.01855 | 0/50 | 0.00025 | 1.52 | — |
+| 2000 | 0.1982 | 0.2427 | 0.1553 | 0/50 | 0.00025 | 1.47 | — |
+
+Identity Watch results were unavailable.
+
+GPU peak is recorded per step in training_metrics.jsonl. The seconds/step window includes checkpoint saves when present.