V4.5 Complete - Enhanced trancription context, added option to restranscribe source under different models.

tests/test_prompts.py

@@ -50,6 +50,23 @@ class TestPromptArtifact:
         assert "[deleted:" in text
         assert "[inserted:" in text
 
+    def test_prompt_defines_exactly_one_body_medium_marker(self):
+        text = _prompt_text().lower()
+        for marker in (
+            "[document body handwritten]",
+            "[document body typewritten]",
+            "[document body typeset]",
+            "[document body mixed]",
+        ):
+            assert marker in text
+        assert "exactly one" in text
+        assert "typewriter defects are not handwriting" in text
+
+    def test_prompt_preserves_structured_layout_associations(self):
+        text = _prompt_text().lower()
+        for phrase in ("tables of contents", "dotted-leader", "page-reference", "tables and forms", "columns"):
+            assert phrase in text
+
 
 class TestPromptConfiguration:
     def test_builds_validated_immutable_prompt_provenance(self, tmp_path):