Refocus repository on publication artifacts

docs/README.md

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+# Study documentation
+
+The durable research documents are organized by the question they answer:
+
+- [`research_plan.md`](research_plan.md): hypotheses, arms, evaluation design,
+  and statistical plan.
+- [`dataset_audit.md`](dataset_audit.md): dataset roles, licensing boundaries,
+  split preservation, and leakage controls.
+- [`literature_matrix.md`](literature_matrix.md): prior work and the study gap.
+- [`research_completion_matrix.md`](research_completion_matrix.md): completed
+  claims, evidence, and remaining limitations.
+- [`artifact_release_audit.md`](artifact_release_audit.md): what may and may
+  not be published.
+
+Frozen method protocols retained for reproducibility:
+
+- [`prompt_baseline_protocol.md`](prompt_baseline_protocol.md)
+- [`tibyan_f2_f3_protocol.md`](tibyan_f2_f3_protocol.md)
+- [`f2_f3_selected_adapter_evaluation_protocol.md`](f2_f3_selected_adapter_evaluation_protocol.md)
+- [`f2_f3_nautilus_multiseed_protocol.md`](f2_f3_nautilus_multiseed_protocol.md)
+- [`f2_f3_nautilus_multiseed_evaluation_protocol.md`](f2_f3_nautilus_multiseed_evaluation_protocol.md)
+- [`f2_f3_nautilus_rtx3090_recovery_protocol.md`](f2_f3_nautilus_rtx3090_recovery_protocol.md)
+- [`f2_f3_fixed_checkpoint_sensitivity_protocol.md`](f2_f3_fixed_checkpoint_sensitivity_protocol.md)
+- [`f2_f3_first_token_sensitivity_protocol.md`](f2_f3_first_token_sensitivity_protocol.md)
+
+[`qualified_linguistic_review_plan.md`](qualified_linguistic_review_plan.md)
+records the boundary for any future expert review. No expert error-type claims
+are made in the current paper.