feat(evidence): contribute to semantic stages (#42)

harness/tht/evidence/__init__.py

@@ -39,12 +39,18 @@ from tht.evidence.preprocessing import EvidenceEmbedder, build_preprocessing_pip
 from tht.evidence.search import (
     ActiveEvidenceSearcher,
     CorpusWorkspaceMismatchError,
+    EvidenceQueryEmbedder,
+    EvidenceResult,
+    EvidenceSearchContext,
+    EvidenceSearchOutcome,
     active_searcher,
     build_retrieval_entries,
+    render_evidence_query,
     resolve_citation,
+    search_evidence,
     validate_corpus_workspace,
 )
-from tht.evidence.session import project_session
+from tht.evidence.session import EvidenceReceipt, project_session, replace_evidence_receipt
 from tht.evidence.sources import build_sources
 
 __all__ = [
@@ -56,8 +62,13 @@ __all__ = [
     "EvidenceManifest",
     "EvidencePreparationError",
     "EvidencePreparationReport",
+    "EvidenceQueryEmbedder",
+    "EvidenceReceipt",
     "EvidenceResolutionReport",
     "EvidenceRestructurer",
+    "EvidenceResult",
+    "EvidenceSearchContext",
+    "EvidenceSearchOutcome",
     "EvidenceSource",
     "EvidenceSourceError",
     "EvidenceSourceErrorCategory",
@@ -82,8 +93,11 @@ __all__ = [
     "parse_curated_markdown",
     "prepare_workspace_evidence",
     "project_session",
+    "render_evidence_query",
+    "replace_evidence_receipt",
     "resolve_citation",
     "resolve_workspace_evidence",
+    "search_evidence",
     "validate_corpus_workspace",
     "validate_namespaced_value",
     "validate_safe_metadata",