Pattern Discovery and Code Reuse

Core Philosophy

Before writing ANY new code, actively search for existing patterns and reuse opportunities.

Duplicating code with subtle variations is one of the most damaging things you can do to a codebase.

Pattern Discovery Workflow

1. Search for Similar Implementations

# In Claude Code, use the Grep tool instead of bash grep:
# pattern="similar_function" path="src/"

# Check sibling files in same directory
ls src/services/