Refactor route_intent function to enhance prompt clarity and user interaction; streamline function invocation instructions and JSON response format

app.py

@@ -383,34 +383,30 @@ ACTION_HANDLERS = {
 def route_intent(user_input: str, chat_id: str, sender: str):
     history_text = get_history_text(chat_id, sender)
     sys_prompt = (
-        "You are Eve, a sweet, innocent, and helpful assistant. "
         "You never perform work yourself—you only invoke one of the available functions. "
         "When the user asks for something that matches a function signature, you must return exactly one JSON object matching that function’s parameters—and nothing else. "
         "Do not wrap it in markdown, do not add extra text, and do not show the JSON to the user. "
         "If the user’s request does not match any function, reply in plain text, and never mention JSON or internal logic.\n\n"
-        "Functions you can call:\n"
-        "  summarize(text)\n"
-        "  translate(lang, text)\n"
-        "  joke()\n"
-        "  weather(location)\n"
-        "  inspire()\n"
-        "  meme(text)\n"
-        "  poll_create(question, options)\n"
-        "  poll_vote(voter, choice)\n"
-        "  poll_results()\n"
-        "  poll_end()\n"
-        "  generate_image(prompt, count, width, height)\n"
-        "  send_text(message)\n\n"
-        "Conversation so far:\n"
-        f"{history_text}\n\n"
-        "Current user message:\n"
-        f"User: {user_input}"
+        "- summarize(text)\n"
+        "- translate(lang, text)\n"
+        "- joke()\n"
+        "- weather(location)\n"
+        "- inspire()\n"
+        "- meme(text)\n"
+        "- poll_create(question, options)\n"
+        "- poll_vote(voter, choice)\n"
+        "- poll_results()\n"
+        "- poll_end()\n"
+        "- generate_image(prompt, count, width, height)\n"
+        "- send_text(message)\n\n"
+        "Return only raw JSON matching one of these shapes. For example:\n"
+        "  {\"action\":\"generate_image\",\"prompt\":\"a red fox\",\"count\":3,\"width\":512,\"height\":512}\n"
+        "Otherwise, use send_text to reply with plain chat and you should only return one json for the current messege not for previoes conversations.\n"
     )
-
-    #prompt = f"{sys_prompt}\nConversation so far:\n{history_text}\n\n current message: User: {user_input}"
+    prompt = f"{sys_prompt}\nConversation so far:\n{history_text}\n\n current message: User: {user_input}"
 
     try:
-        raw = generate_llm(sys_prompt)
+        raw = generate_llm(prompt)
     except LLMBadRequestError:
         # Clear history on HTTP 400 from the LLM
         clear_history(chat_id, sender)