# Compatibility alias: /investigate This is not a public/discoverable skill. Route the legacy invocation to `$debug --mode Diagnose-only --module investigate`, then read [the preserved module](../skills/debug/references/legacy/investigate.md) in full. - Tree: `debug` - Public mode: `Diagnose-only` - Legacy internal alias: `investigate` - Dispatcher role: `primary` - Mandatory specialist input: `true`