fix: close semantic isolation review gaps

harness/tht/adapters/vector/qdrant.py

@@ -125,6 +125,7 @@ class QdrantVectorStore:
         if not allowed_record_kinds:
             return []
         filter_must = self._workspace_filter()
+        filter_must.append(self._semantic_kind_filter(allowed_record_kinds))
         filter_must.append({"key": "record_kind", "match": {"any": allowed_record_kinds}})
         if metadata_filter is not None:
             if set(metadata_filter) != {"vector_generation", "document_ids", "workspace_id"}:
@@ -166,6 +167,7 @@ class QdrantVectorStore:
         points = self._scroll(
             [
                 *self._workspace_filter(),
+                self._semantic_kind_filter(kinds),
                 {"key": "record_kind", "match": {"any": sorted(kinds)}},
             ]
         )
@@ -213,6 +215,7 @@ class QdrantVectorStore:
         validate_collection_kinds(collection, kinds)
         must = [
             *self._workspace_filter(),
+            self._semantic_kind_filter(kinds),
             {"key": "record_kind", "match": {"any": sorted(kinds)}},
         ]
         before = len(self._scroll(must))
@@ -231,6 +234,7 @@ class QdrantVectorStore:
         self._require_bound_workspace(workspace_id)
         must = [
             *self._workspace_filter(),
+            {"key": "kind", "match": {"value": "evidence"}},
             {"key": "record_kind", "match": {"any": ["evidence"]}},
             {"key": "vector_generation", "match": {"value": generation}},
         ]
@@ -253,6 +257,7 @@ class QdrantVectorStore:
         points = self._scroll(
             [
                 *self._workspace_filter(),
+                {"key": "kind", "match": {"value": "evidence"}},
                 {"key": "record_kind", "match": {"any": ["evidence"]}},
             ]
         )
@@ -268,6 +273,10 @@ class QdrantVectorStore:
     def _workspace_filter(self) -> list[dict]:
         return [{"key": "workspace_id", "match": {"value": self._workspace_id}}]
 
+    def _semantic_kind_filter(self, record_kinds: list[str]) -> dict:
+        semantic_kinds = sorted({qdrant_semantic_kind(kind) for kind in record_kinds})
+        return {"key": "kind", "match": {"any": semantic_kinds}}
+
     def _require_bound_workspace(self, workspace_id: str) -> None:
         if workspace_id != self._workspace_id:
             raise VectorStoreError("Evidence workspace namespace does not match bound workspace")