- ProcessLogWriter class for stdout/stderr capture
- Timestamps each line with [YYYY-MM-DD HH:mm:ss.SSS] format
- Backpressure handling via drain events
- getStdoutStream/getStderrStream for direct piping
- Module index exports types, classes, and createLogger helper
- createLogger convenience function for default config
- LogLevel, LogEntry, LogConfig types in types.ts
- LogManager class with directory management
- Cross-platform paths using node:os and node:path
- ensureLogDir/ensureProcessDir for directory creation
- getLogPath returns ~/.cw/logs/{processId}/{stream}.log
- cleanOldLogs removes directories older than N days
- listLogs enumerates all process log directories
