Grammar corrections now run through a deterministic guard that blocks protected glossary names/aliases from being changed

tests/test_prompts.py

@@ -93,7 +93,9 @@ def test_grammar_prompt_limits_readability_corrections_and_protects_glossary():
     assert "homophone fixes" in prompt_text
     assert "spelling fixes" in prompt_text
     assert "Do not paraphrase" in prompt_text
-    assert "protected vocabulary" in prompt_text
+    assert "glossary names and aliases as protected spellings" in prompt_text
+    assert "Do not autocorrect, Anglicize, replace, normalize, lowercase" in prompt_text
+    assert "Preserve canonical glossary capitalization" in prompt_text
     assert "appears exactly once" in prompt_text
     assert "Do not return speaker, start, or end fields" in prompt_text