优化: 清理无意义注释(走查编号前缀/过时历史标注/死代码注释)

crates/df-mcp/src/server_http.rs

@@ -163,7 +163,7 @@ async fn handle_body(state: &McpHttpState, body: &[u8]) -> Outcome {
     let resp = dispatch(&state.ctx, state.read_only, req.id.clone(), method).await;
 
     // ⑥ 成功 tools/call(JSON-RPC 无 error 且 result.isError≠true)→ on_tool_call 回调
-    // (桌面端据此刷新 GUI)。MC-5/MCP-6:业务失败(handler 返 isError=true)不触发,
+    // (桌面端据此刷新 GUI)。MC-5/业务失败(handler 返 isError=true)不触发,
     // 防假 df-data-changed;与 stdio fire_write_hook 共用 is_success_tool_call,两 transport 统一。
     if crate::server::is_success_tool_call(&resp) {
         if let (Some(name), Some(cb)) = (tool_name, &state.on_tool_call) {