What problem does it solve? Autonomous multi-stage AI pipelines run unattended, and when you need to change course mid-flight your only options are usually to kill the session or let it finish on the wrong track. This Skill provides a soft Ctrl-C: a file-based signal channel that lets you redirect, pause, annotate, or extend a running pipeline without aborting it. ## Core Features & Use Cases - Five intervention intents: STOP halts at the next stage boundary, REDIRECT overrides the next stage's brief, SKIP bypasses review or QA stages with logged rationale, NOTE attaches context to the next dispatch, and ADD queues a new task into an active stream pool. - Safe single-pending protocol: refuses to overwrite an existing unread intervention without explicit user confirmation, preventing silent signal loss. - Cross-session control: works even when you are on a different tool or session than the one running the pipeline, since the signal travels through .harness/intervention.md at the project root. - Use Case: A 7-stage pipeline is mid-development and you realize websockets should wait. You issue a REDIRECT 04 intervention; the PM Orchestrator picks it up at the next stage boundary and rewrites the development brief to ship REST first. ## Quick Start Ask the AI to stop the running Harness pipeline at the next stage boundary so you can review the design before any code is written.
