feat(evidence): validate canonical curated corpus

harness/tht/evidence/__init__.py

@@ -1,6 +1,20 @@
 """Cohesive public entrypoint for Evidence domain capabilities."""
 
 from tht.evidence.acquisition import acquire, discover
+from tht.evidence.authoring import (
+    EvidenceManifest,
+    ValidationFinding,
+    ValidationReport,
+    dump_manifest,
+    load_manifest,
+    validate_workspace_evidence,
+)
+from tht.evidence.canonical import (
+    CuratedEvidence,
+    dump_curated_markdown,
+    load_curated_tree,
+    parse_curated_markdown,
+)
 from tht.evidence.contracts import (
     AcquiredDocument,
     EvidenceSource,
@@ -28,11 +42,15 @@ __all__ = [
     "AcquiredDocument",
     "ActiveEvidenceSearcher",
     "CorpusWorkspaceMismatchError",
+    "CuratedEvidence",
     "EvidenceEmbedder",
+    "EvidenceManifest",
     "EvidenceSource",
     "EvidenceSourceError",
     "EvidenceSourceErrorCategory",
     "SourceObject",
+    "ValidationFinding",
+    "ValidationReport",
     "acquire",
     "active_searcher",
     "build_preprocessing_pipeline",
@@ -40,10 +58,16 @@ __all__ = [
     "build_sources",
     "canonical_provenance_uri",
     "discover",
+    "dump_curated_markdown",
+    "dump_manifest",
+    "load_curated_tree",
+    "load_manifest",
     "normalize_aware_datetime",
+    "parse_curated_markdown",
     "project_session",
     "resolve_citation",
     "validate_corpus_workspace",
     "validate_namespaced_value",
     "validate_safe_metadata",
+    "validate_workspace_evidence",
 ]