fix

app/core/settings_service.py

@@ -56,6 +56,10 @@ DEFAULT_SETTINGS: dict[str, dict[str, Any]] = {
     "ui.logo_url": {"value": "/icon.png", "description": "Logo URL"},
     "ui.og_image_url": {"value": "", "description": "OpenGraph image URL"},
     "admin.setup_token": {"value": "", "description": "Admin setup token"},
+    "llm.text_replacements": {
+        "value": [],
+        "description": "List of {from, to} pairs. Each 'from' substring in LLM scene_text output is replaced with 'to' (can be empty string to remove).",
+    },
 }
 
 # Keys whose values should never be returned to the client in plaintext.
@@ -185,3 +189,24 @@ async def get_admin_setup_token(session: AsyncSession) -> str:
         token = secrets.token_urlsafe(16)
         await set_setting(session, "admin.setup_token", token)
     return token
+
+
+async def apply_text_replacements(session: AsyncSession, text: str) -> str:
+    """Apply llm.text_replacements to a text string.
+
+    Each replacement is a dict {from: str, to: str}. The 'from' substring is
+    replaced with 'to' (which can be empty to remove the substring).
+    """
+    if not text:
+        return text
+    replacements = await get_setting(session, "llm.text_replacements")
+    if not replacements or not isinstance(replacements, list):
+        return text
+    for r in replacements:
+        if not isinstance(r, dict):
+            continue
+        frm = r.get("from")
+        to = r.get("to", "")
+        if frm and isinstance(frm, str):
+            text = text.replace(frm, to)
+    return text