PostPlus Shared Use this skill first when another PostPlus skill asks for shared rules or shared workflow preferences. This skill is the single source of truth for principle-level PostPlus skill documents. It is instruction-only: do not run provider runtimes, mutate public metadata or release metadata, or invent alternate execution paths from this shared-rule handoff. References - - - - - - - Default Workflow 1. Read the reference named by the downstream skill. 2. Apply the shared rule before reading platform- or production-specific details. 3. If a downstream skill and this shared rule confl…