Use when the user invokes worktrail-go, asks to pick up queued work, resume active specs, implement or fix a spec, route engineering work, or orient across repositories. Renders the orientation dashboard, classifies free-text requests, claims/resumes handoff briefs, and dispatches SDD work without requiring the user to know sdd-workflow. Grammar: worktrail-go [REPO] <noun> <verb>, nouns handoff / spec / pr / decision. Triggers: worktrail-go, worktrail-go help, worktrail-go spec fix, worktrail-go spec implement, worktrail-go spec route F, worktrail-go handoff new, worktrail-go handoff auto, worktrail-go decision answer, worktrail-go BRIEF-ID, bare worktrail-go, multi-repo orientation.