Update prompts.py

prompts.py

@@ -1,4 +1,4 @@
-import yaml, json
+import yaml
 
 def load_prompts():
     files = ["config/prompts.yaml", "config/contentprompts.yml"]
@@ -9,10 +9,15 @@ def load_prompts():
             if isinstance(data, dict):
                 merged.update(data)
 
-    # Coerce all values to strings (safe for smolagents)
-    return {
-        str(k): v if isinstance(v, str)
-        else json.dumps(v, ensure_ascii=False) if isinstance(v, (dict, list, tuple))
-        else str(v)
-        for k, v in merged.items()
-    }
+    def _to_str(v):
+        if v is None:
+            return ""                         # avoid literal "None"
+        if isinstance(v, str):
+            return v
+        if isinstance(v, dict) and "content" in v:
+            return str(v["content"])          # flatten chat-style entries
+        if isinstance(v, (list, tuple)):
+            return "\n".join(map(str, v))     # readable multiline
+        return str(v)
+
+    return {str(k): _to_str(v) for k, v in merged.items()}