return-path-gate

# return-path-gate — Skill Chain Closure Audit A skill chain is CLOSED when the callee's verdict folds back into the caller's decision logic. A chain is OPEN (fire-and-forget) when the caller dispatches a downstream skill but proceeds independently of the result. This skill audits `§Chains` and `§Done When` sections across SKILL.md files to detect OPEN chains and prescribe specific closures. ## Role Separation from harness-doctor | Dimension | harness-doctor | return-path-gate | |---|---|---| | **What it checks** | Structural completeness (files, references, line counts, drift) | Chain closure compliance (caller/callee verdict handoff) | | **Core question** | "Are the required harness files present and consistent?" | "Does the caller wait for the callee's verdict?" | | **Failure mode detected** | Missing CLAUDE.md, broken refs, complexity drift | Fire-and-forget chains, unverified CONDITIONAL_PASS conditions | | **Output** | L1–L5 structural health report | CLOSED/OPEN chain table with fix prescriptions | --- ## Trigger Phrases | Phrase | Situation | |---|---| | "chain audit", "chain closure audit" | Full scan of all skill chains in plugins/ | | "return-path check", "return-path gate" | Explicit compliance audit | | "fire-and-forget detection", "fire-and-forget chain" | Targeting known anti-pattern | | "skill chain compliance" | Pre-flight check before pipeline execution | | "does this skill wait for verdict" | Single-skill targeted check | | "check chains in [skill-na...