deep-analysis

# Deep Code Analysis

This Skill provides comprehensive codebase investigation capabilities using the codebase-detective agent with semantic search and pattern matching.

## Prerequisites (MANDATORY)

```
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║                        BEFORE INVOKING THIS SKILL                             ║
╠══════════════════════════════════════════════════════════════════════════════╣
║                                                                              ║
║  1. INVOKE code-search-selector skill FIRST                                  ║
║     → Validates tool selection (claudemem vs grep)                           ║
║     → Checks if claudemem is indexed                                         ║
║     → Prevents tool familiarity bias                                         ║
║                                                                              ║
║  2. VERIFY claudemem status                                                  ║
║     → Run: claudemem status                                                  ║
║     → If not indexed: claudemem index -y                                     ║
║                                                                              ║
║  3. DO NOT start with Read/Glob                                              ║
║     → Even if file paths are mentioned in the prompt                         ║
║     → Semantic search first, Read specific lines after                       ║
║                                                                              ║
╚══════════════════════════════════════════════════════════════════════════════╝
```

## When to use this Skill

Claude should invoke this Skill when:

- User asks "how does [feature] work?"
- User wants to understand code architecture or patterns
- User is debugging and needs to trace code flow
- User asks "where is [functionality] implemented?"
- User needs to find all usages of a component/service
- User wants