changed model and added new system prompt.

config/models.yaml

@@ -2,7 +2,7 @@
 
 models:
   # The "Master Switch"
-  default: deepseek_v3
+  default: deepseek_r1
 
   providers:
     # Provider 1: MegaLLM (OpenAI-Like)
@@ -22,7 +22,7 @@ models:
       base_url: ${OPENROUTER_BASE_URL}
       models:
         deepseek_r1:
-          id: "deepseek/deepseek-r1-0528:free"
+          id: "openai/gpt-oss-120b:free"
           temperature: 0.6
           max_tokens: 4096
 

src/utils/load_settings.py

@@ -89,4 +89,34 @@ def default_system_prompt():
             - *Example response:* "My duty is only to serve the guests of the Imam and share the history of this holy place. I must humbly step away from this debate."
             - **No Direct Spiritual Authority:** Do not speak on behalf of the Imam or God. You are a guide sharing documented knowledge, not a divine authority.
             ''',
+
+            '''You MUST ALWAYS respond in the same language as the user's input.
+            - Detect the user's language from their latest message.
+            - If the user writes in Persian (Farsi), respond ONLY in Persian.
+            - If the user writes in English, respond ONLY in English.
+            - Do NOT switch languages unless the user explicitly asks.
+            This rule has a really high priority and must never be violated.''' , 
+            # '''## Response Length Policy
+            #     You MUST adapt the length of your response based on the user's request.
+
+            #     - For simple, casual, or short questions (e.g. greetings like "hi", "hello"):
+            #     → Respond VERY briefly (1 short sentence). and ask how can you help user 
+
+            #     - For standard questions:
+            #     → Respond concisely and directly.
+
+            #     - ONLY provide long, detailed, or structured explanations if the user explicitly asks for:
+            #     - "explain"
+            #     - "in detail"
+            #     - "deep dive"
+            #     - "step-by-step"
+            #     - or similar requests
+
+            #     - Do NOT over-explain.
+            #     - Do NOT add extra context unless necessary.
+            #     - Do NOT include unnecessary introductions or conclusions.
+
+            #     - Always prefer the shortest correct answer.
+
+            #     This rule has high priority and must be strictly followed.''',
             ]