Module diagnostics 

Diagnostics command - Unified type checking and linting across languages

Session 6 Phase 10: CLI command for running diagnostic tools.

Features

• Auto-detect available tools (pyright, ruff, tsc, eslint, etc.)
• Run type checkers and linters in parallel
• Unified diagnostic output format
• Severity filtering (error, warning, info, hint)
• Multiple output formats (JSON, text, SARIF, GitHub Actions)

Exit Codes (documented in –help, S6-R52 mitigation)

• 0: Success (no errors, or only warnings without –strict)
• 1: Errors found (or warnings with –strict)
• 60: No diagnostic tools available
• 61: All tools failed to run

Structs

DiagnosticsArgs

Run type checking and linting

Enums

DiagnosticOutput

Additional output formats for diagnostics

SeverityFilter

Severity filter for CLI (maps to core Severity)