feat(evidence): structure v3 domain rules for review

harness/tht/evidence/authoring.py

@@ -707,22 +707,31 @@ def migrate_workspace_evidence(
     documents_by_id = {document.id: document for document in documents}
     if len(documents_by_id) != len(documents):
         raise EvidencePreparationError("duplicate_evidence_id")
-    migrated = tuple(sorted(
-        document.id for document in documents if document.schema_version in {1, 2}
-    ))
-    unchanged = tuple(sorted(
-        document.id for document in documents if document.schema_version == 3
-    ))
+    upgraded = {
+        evidence_id: document.model_copy(update={"schema_version": 3})
+        for evidence_id, document in documents_by_id.items()
+    }
+    migrated_ids: list[str] = []
+    unchanged_ids: list[str] = []
+    curated_root = evidence_root / "curated"
+    for evidence_id, document in upgraded.items():
+        path = curated_root / document.kind / f"{evidence_id.removeprefix('evidence:')}.md"
+        try:
+            presentation_is_current = path.read_text(encoding="utf-8") == dump_curated_markdown(
+                document,
+            )
+        except (OSError, UnicodeDecodeError):
+            presentation_is_current = False
+        target = unchanged_ids if presentation_is_current else migrated_ids
+        target.append(evidence_id)
+    migrated = tuple(sorted(migrated_ids))
+    unchanged = tuple(sorted(unchanged_ids))
     if not migrated:
         return EvidenceMigrationReport(
             migrated=(),
             unchanged=unchanged,
             findings=validate_workspace_evidence(workspace_root).findings,
         )
-    upgraded = {
-        evidence_id: document.model_copy(update={"schema_version": 3})
-        for evidence_id, document in documents_by_id.items()
-    }
     findings = _stage_and_apply_authoring_tree(workspace_root, upgraded, manifest)
     return EvidenceMigrationReport(
         migrated=migrated,