adjust system prompt to adapt to gpt 5.4 mini

server-rs/crates/platform-editor-agent/src/agent/agent.rs

@@ -138,9 +138,7 @@ fn build_tools_system_prompt(base_prompt: &str, tool_specs: &[ToolPromptSpec]) -
         prompt.push_str("(No tools available.)\n");
     } else {
         prompt.push_str("## JSON Response Format\n");
-        prompt.push_str(
-            "When you need to use a tool, respond with valid JSON only (no markdown fences):\n",
-        );
+        prompt.push_str("respond with valid JSON only (no markdown fences):\n");
         prompt.push_str("{\n");
         prompt.push_str("  \"reply_text\": \"your message to the user\",\n");
         prompt.push_str("  \"tool_calls\": [\n    {\n");
@@ -165,17 +163,13 @@ fn build_tools_system_prompt(base_prompt: &str, tool_specs: &[ToolPromptSpec]) -
             prompt.push_str("\n");
         }
 
-        prompt.push_str(
-            "return your response immediately without expecting further tool execution. ",
-        );
         prompt.push_str(
       "as you see, tool_calls is an array, several tools calls can be executed in one turn concurrently. ",
     );
-        prompt.push_str("For example: `\"reply_text\": \"Task complete. <end/>\"`.");
-        prompt.push_str("\n");
-        prompt.push_str("IMPORTANT: Always respond with valid JSON only. ");
+        prompt.push_str("your valid tool call will be recorded as system message");
         prompt.push_str(
-            "Do not wrap the JSON in markdown code fences or add extra text outside the JSON.",
+          "some tools calls needs user's confirmation, you should not retry the same tool call in this case.\
+           And if all tool calls are pending confirmation, you should just end the turn, as you cant do more before user's action"
         );
     }