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README.md

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+# Placeholder — reverb FT checkpoint
+
+`muse_reverb_e48.pt` in this directory is a **byte-for-byte copy of the
+upstream noise-only MUSE checkpoint** (`g_best`, ~2.3 MB), used as a stand-in
+for the real reverb-fine-tuned epoch-48 checkpoint until that file can be
+retrieved from the iscohen_prj research cluster.
+
+## Real source location
+
+`/rg/iscohen_prj/yairamr/code/Muse-Reverb-FN/checkpoints/all/epoch_48/g_00051852`
+
+## Action when the real checkpoint is retrievable
+
+```bash
+scp <cluster>:/rg/iscohen_prj/yairamr/code/Muse-Reverb-FN/checkpoints/all/epoch_48/g_00051852 \
+    ./_workspace/release_artifacts/muse_reverb_e48.pt
+```
+
+Then upload the replaced file to the HuggingFace model repo
+(`HF_REPO_CKPT`, default `YairAmar/SE-Probe-models`). `scripts/setup.py`
+already pulls from there, so notebook 06's inference cells will start
+producing correct numbers automatically once the upload completes.
+
+## Why this placeholder is safe
+
+Notebook 06's published figure is computed from precomputed CKA results
+(`results_demo/cka_reverb_muse_demo.parquet` or
+`results_df/reverb/cka_reverb_muse_epoch_48.parquet`), not from running the
+model — so the figure is correct regardless of which checkpoint is shipped.
+Inference cells in notebook 06 are gated behind
+`SE_PROBE_RUN_INFERENCE=1` and clearly labelled as placeholder-mode in the
+notebook markdown, so a curious reader is warned before they get wrong
+numbers.
+
+See `_workspace/cluster_artifacts_needed.md` (item 1) for the broader
+punch-list of cluster artefacts.