Month: 2025-09. Focused on improving data access reliability and maintainability in the sublime-rules repository by standardizing detection rule field names. Delivered a key refactor that aligns how screenshot data is accessed across rules, reducing confusion and onboarding time while lowering runtime errors. Key deliverables: - Detection Rule Field Name Standardization: Renamed beta.message_screenshot to file.message_screenshot across detection rules to standardize the naming convention for accessing screenshot data within the detection logic. This aligns with the project’s data-access patterns and supports easier rule authoring and review. - Commit reference: 356388aabc090f86a8abdca634135652b2f5903a ("rename beta.message_screenshot to file.message_screenshot (#3255)"). Impact and business value: - Increased maintainability and consistency across detection rules, reducing debugging time and risk of misaccessing screenshot data. - Facilitates onboarding of new engineers and smoother future feature expansions that rely on standardized data fields. - Sets the stage for future enhancements in rule authoring and data extraction pipelines with a clear, stable data schema. Technologies/skills demonstrated: - Code refactoring and naming standardization - Version control hygiene and commit traceability - Cross-rule consistency and maintainability in a detection-engine context Major bugs fixed: None reported in September 2025 for sublime-rules; this work was a targeted refactor to reduce technical debt and improve stability.