Bridge chat OOV grounding

chat/runtime.py

@@ -101,6 +101,7 @@ class ChatRuntime:
                     for manifest in self._manifests
                 ):
                     raise KeyError(f"OOV token requires vocab proposal: {token}")
+                kept.append(token)
         return kept
 
     def _syntactic_guard(self, tokens: tuple[str, ...]) -> list[str]:
@@ -135,7 +136,7 @@ class ChatRuntime:
         )
         proposition = propose_dialogue(
             field_state,
-            None,
+            self._context.vault,
             self._context.vocab,
             self._frame_registry,
             reference_blade,

tests/test_chat_runtime.py

@@ -21,3 +21,13 @@ def test_chat_runtime_keeps_live_session_across_two_turns() -> None:
     assert second.versor_condition < 1e-6
     assert second.dialogue_role in {"elaborate", "assert"}
     assert not np.array_equal(second_field, first_field)
+
+
+def test_chat_runtime_keeps_groundable_oov_tokens_in_open_pack() -> None:
+    runtime = ChatRuntime()
+
+    response = runtime.chat("what is דברית", max_tokens=4)
+
+    assert response.surface.strip()
+    assert runtime.session.state is not None
+    assert runtime.session.vault.recall(runtime.session.state.F, top_k=1)