Add prompt hygiene architecture pass

caption_naturalizer.py

@@ -4,6 +4,11 @@ import json
 import re
 from typing import Any
 
+try:
+    from .prompt_hygiene import sanitize_prose_text
+except ImportError:  # Allows local smoke tests with `python -c`.
+    from prompt_hygiene import sanitize_prose_text
+
 
 OLD_TRIGGER = "sxcpinup_coloredpencil"
 DEFAULT_TRIGGER = "sxcppnl7"
@@ -724,6 +729,8 @@ def naturalize_caption(
     row, row_method = _row_from_inputs(source_text, metadata_json, input_hint)
     if row is not None:
         prose, method = _metadata_to_prose(row, detail_level, keep_style)
-        return _with_trigger(prose, trigger, include_trigger), f"{row_method}:{method}"
+        caption = sanitize_prose_text(_with_trigger(prose, trigger, include_trigger), triggers=(trigger,))
+        return caption, f"{row_method}:{method}"
     prose, method = _text_to_prose(source_text, detail_level, keep_style)
-    return _with_trigger(prose, trigger, include_trigger), method
+    caption = sanitize_prose_text(_with_trigger(prose, trigger, include_trigger), triggers=(trigger,))
+    return caption, method