fix(characters): reword stored Renaissance book profiles to high-fantasy medieval in image prompts

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

routes/conversation.py

@@ -1844,6 +1844,9 @@ def _book_visual_context(book: str, book_profile: dict) -> str:
         _visual_prompt_value(book_profile.get("visual_context")),
     ]
     context = "; ".join(value for value in values if value)
+    # Stored book profiles still say "early Renaissance 1420-1500", which pulls musketeer/wartime dress.
+    context = re.sub(r"(?:early[- ]?)?renaissance|fr[üu]h(?:-)?renaissance", "high-fantasy medieval", context, flags=re.IGNORECASE)
+    context = re.sub(r"\b1420\s*[–-]\s*1500\b", "roughly 900-1300 AD", context)
     return context or (
         f"the established world and period of {book}" if book else
         "the story's established world and historical period"

tests/test_character_identity.py

@@ -189,6 +189,13 @@ class PromptHygieneTests(unittest.TestCase):
         self.assertNotIn("blut", text.lower())
         self.assertNotIn("verbunden", text.lower())
 
+    def test_a_stored_renaissance_book_profile_is_reworded(self):
+        from routes.conversation import _book_visual_context
+        text = _book_visual_context("B", {"era": "Frühren aissance".replace(" ", ""), "setting": "early-Renaissance fantasy world, approximately 1420–1500"})
+        self.assertNotIn("enaissance", text)
+        self.assertNotIn("1420", text)
+        self.assertIn("medieval", text)
+
     def test_a_tricorn_hat_becomes_a_helm(self):
         self.assertNotIn("dreispitz", self.facts(clothing="Rüstung mit Dreispitz").lower())