### [Phase 2] Add Legacy React Pattern Detection

[12mv2]

Description

Build an analysis function to identify outdated React patterns such as componentWillMount, UNSAFE_ methods, and class-based state management.

Tasks

• Complete [Phase 1] Implement Lifecycle Analysis Functionality.
• Define a list of legacy patterns to detect.
• Implement pattern matching logic in the analysis function.
• Write unit tests to ensure accurate detection of legacy patterns.

Milestone

Smart Component Migration - Phase 2

Branch

Your_Name-56-pattern-detection