Fix Python SyntaxWarning for invalid escape sequence

- Fixed invalid escape sequence '\s' on line 523 in JavaScript regex pattern
- Changed from single backslash to double backslash for proper escaping
- Ensures Python interpreter correctly handles the JavaScript string literal
- Eliminates SyntaxWarning while maintaining JavaScript regex functionality

olproxy.py

@@ -520,7 +520,7 @@ async def detect_json_response_with_id(page, container_selector, request_id, pro
                                         } catch (e) {
                                             // Try to extract response value from malformed JSON - simplified
                                             try {
-                                                const responsePattern = /"response"\s*:\s*"([^"]*)"/;
+                                                const responsePattern = /"response"\\s*:\\s*"([^"]*)"/;
                                                 const responseMatch = match.match(responsePattern);
                                                 if (responseMatch && match.includes(requestId)) {
                                                     const responseValue = responseMatch[1];