implemented multiple high impact improvements

[y-aithnini]

Summary

• What does this PR change?

Why

• Why is this change needed?

Checklist

• Added/updated tests (if behavior changed)
• npm run lint passes
• npm run typecheck passes
• npm test passes
• npm run build passes
• Added a changeset (npx changeset) if this affects consumers

Notes

• Anything reviewers should pay attention to?

[Copilot]

Pull request overview

This PR adds comprehensive logging enhancements to the @ciscode/logging-kit package, introducing production-ready features for security, performance monitoring, and log volume management. The changes significantly expand the library's capabilities while maintaining backward compatibility.

Changes:

• Added log masking/redaction to automatically hide sensitive fields like passwords, tokens, and API keys
• Implemented log sampling for debug/verbose logs to reduce volume in production while preserving critical logs
• Enhanced error stack parsing with structured output and automatic filtering of node_modules frames
• Added request/response body logging with size limits and truncation support
• Integrated performance metrics tracking with slow request detection

Reviewed changes

Copilot reviewed 16 out of 16 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/core/masking.ts	New module implementing automatic sensitive field masking with configurable patterns
src/core/sampling.ts	New module for deterministic log sampling with statistics tracking
src/core/error-parser.ts	New module for parsing and formatting error stack traces
src/core/config.ts	Extended configuration with new settings for masking, sampling, performance, and body logging
src/core/types.ts	Added new configuration fields to LoggingConfig interface
src/core/index.ts	Exported new modules for public API
src/infra/logger.factory.ts	Integrated masking and sampling into WinstonLogger implementation
src/nest/module.ts	Added LOGGING_CONFIG provider for dependency injection
src/nest/interceptor.ts	Enhanced with body logging, performance metrics, and improved error handling
src/nest/constants.ts	Added LOGGING_CONFIG injection token
test/masking.test.ts	Comprehensive tests for masking functionality
test/sampling.test.ts	Comprehensive tests for sampling behavior
test/error-parser.test.ts	Comprehensive tests for error parsing
test/transports.test.ts	Updated to use buildConfig() pattern consistently
test/interceptor.test.ts	Updated to test new interceptor features
.env.example	Documented all new configuration options with examples

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