Add indirect sentiment acknowledgment to frustration and boredom states

backend/main.py

@@ -140,8 +140,8 @@ def run_flow_b(message: str, api_key: str, history: Optional[List[ChatMessage]]
         "- NEVER use 'if you' (use direct phrasing: 'think about', 'imagine').\n"
         "- Ask 1 question max.\n"
         "Responses:\n"
-        "- frustration: simplify + question.\n"
-        "- starting_to_get_bored: puzzle/analogy + question.\n"
+        "- frustration: acknowledge sentiment indirectly + simplify + question.\n"
+        "- starting_to_get_bored: acknowledge sentiment indirectly + puzzle/analogy + question.\n"
         "- other: hint + question."
     )