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thread.md

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+# Logging with Winston and Log Rotation
+
+This project now uses [Winston](https://github.com/winstonjs/winston) for logging, with daily log rotation and a circular buffer to prevent disk overuse.
+
+## Features
+- Logs are written to the `logs/` directory.
+- Log files are rotated daily or when they reach 100MB.
+- Only the last 10 log files are kept (approx. 1GB total).
+- Old logs are compressed automatically.
+- Console logging is preserved for development and debugging.
+
+## Configuration
+- Log files: `logs/application-YYYY-MM-DD.log`
+- Rotation: Daily and/or when file size exceeds 100MB
+- Retention: Last 10 files (zipped)
+
+## How it works
+- Winston's `DailyRotateFile` transport handles file creation, rotation, and compression.
+- The logger is configured in `src/utils/winstonLogger.ts`.
+- All logger usage (`logger.info`, `logger.error`, etc.) is routed through Winston.
+
+## Customization
+- To change log retention or size, edit the `maxSize` and `maxFiles` options in `src/utils/winstonLogger.ts`.
+- To add more transports (e.g., remote logging), extend the Winston configuration.
+
+## Migration Notes
+- The old custom logger is replaced by Winston. All previous logger imports remain compatible.
+- No breaking changes for existing logger usage.
+
+## Example Usage
+```js
+import { logger } from './utils/logger';
+logger.info('This is an info message');
+logger.error('This is an error message');
+```
+
+## Troubleshooting
+- If the `logs/` directory does not exist, it will be created automatically.
+- Check file permissions if logs are not written.
+
+
+
+
+feat(logging): integrate Winston logger with daily rotation and circular buffer
+
+
+Integrate Winston Logger with Daily Rotation and Circular Buffer (1GB Limit)
+
+This PR replaces the custom logger with Winston, adding robust file-based logging and log rotation to prevent disk overuse.
+
+- Adds Winston and winston-daily-rotate-file as dependencies.
+- Logs are written to the logs/ directory.
+- Log files are rotated daily or when they reach 100MB.
+- Only the last 10 log files are kept (approx. 1GB total), with old logs compressed.
+- All logger usage is routed through Winston; existing logger imports remain compatible.
+- See LOGGING_WITH_WINSTON.md for details and usage instructions.
+
+No breaking changes for existing logger usage.