validate-docs -- Code Documentation Quality Validation

Corresponding rule: docs/specs/documentation.md

Input -- Dynamic Target Resolution

Resolve the target directory in the following order:

CLAUDE.md "Project Structure" section -- extract source code directories
If CLAUDE.md is absent or has no structure: Glob source files (**/*.{ts,tsx,js,jsx,py,java,go,rs}) -- use the top-level directory containing matches
If no source files exist: report status as SHALLOW with reason

Default exclusions: node_modules/, .git/, dist/, build/, coverage/ Skill-specific exclusions: *.generated.*, *.g.dart, *.freezed.dart (auto-generated code)

Mandatory output: Target resolution result

Output the following before proceeding to validation. Do not proceed until resolved.