docs(confidence-engine): checkpoint design evolution archive tranche four

docs/archive/experiments/vol-1-chapters/README.md

@@ -93,7 +93,7 @@ Experiments 35–41 and Experiment 41 Conclusion — handoff validation, behavio
 Fidelity:
 Exact contiguous copy.
 
-Tranches 1, 2, and 3 have now been extracted.
+Tranches 1, 2, 3, and 4 have now been extracted.
 The original monolithic log remains intact and authoritative while extraction is incomplete.
 
 ## Tranche 3
@@ -124,6 +124,21 @@ Experiments 47–51 — shared-anchor coherence diagnostic, unknown relationship
 Fidelity:
 Exact contiguous copy.
 
+## Tranche 4
+
+### Chapter 9
+Path:
+docs/archive/experiments/vol-1-chapters/ch9/experiments-52-to-52i.md
+
+Original source:
+docs/design-evolution-log.md lines 3535–4980
+
+Contents:
+Experiments 52–52I and Correction to Experiment 52B Conclusion — semantic interpretation generalisation, evaluation using existing Qwen model, separate meaning from relevance labels, normalisation into decision-relevance contract, supports_decision/could_change_decision boundary coherence, ambiguity normalisation failures, ambiguous meaning filled with domain expectations, ambiguity wording resistance, grounding rule for relationship strength invention, and provenance boundary analysis.
+
+Fidelity:
+Exact contiguous copy.
+
 ## Refactor status
 
 Only tranches 1 and 2 have been extracted.