Feature/filter option

[flowernotfound]

Filter option.
Replace logger.

[Copilot]

Pull Request Overview

This PR introduces a new --filter option for partial text matching and replaces the existing logging system with user-friendly output methods.

• Added --filter option for partial text matching (case-insensitive) as an alternative to prefix filtering
• Replaced internal logger methods with user-facing userError and userInfo methods for cleaner output
• Enhanced error handling with contextual usage messages for filter-related errors

Reviewed Changes

Copilot reviewed 21 out of 21 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/utils/logger.ts	Added userError and userInfo methods for user-facing output
src/types/environment.ts	Added partial filter type to FilterConfig union
src/core/filter.ts	Implemented partial match filtering and updated filter logic
src/constants/messages.ts	Added partial filter messages and updated help text
src/cli/parser/types.ts	Added filter_requires_value error type and filterValue field
src/cli/parser/parser.ts	Implemented --filter option parsing with validation
src/cli/handlers/mainHandler.ts	Updated to use new logger methods and support filter conflicts
src/cli/errors/handlers.ts	Updated error handling to use userError with contextual messages
src/cli/config.ts	Added filter to supported options and help text
README.md	Updated documentation with filter examples
Test files	Comprehensive test coverage for new functionality

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