mainstage-workflowlisted

# MainStage Workflow Use this skill for MainStage app operation and rehearsal preparation. Treat an active performance configuration as high risk. ## Source Check Search the local Tips/Help Viewer catalog for `MainStage` or open MainStage Help. Confirm the guide matches the installed app/version. Read `references/concert-safety-contract.md` before changing concert, set, patch, device, mapping, playback, or recording state. ## Workflow 1. Classify the request: inspect, rehearsal preparation, concert/set/patch organization, audio/MIDI device setup, channel-strip routing, mapping, missing device/plug-in repair, backup, or live-performance issue. 2. Establish the performance contract: whether the configuration is live, rehearsal-only, or disposable; available audio/MIDI hardware; intended inputs/outputs; selected concert/set/patch; backup location; and what must not change. 3. Inspect before action: active mode, selected set/patch, concert path, audio device, MIDI devices/controllers, channel strips, output routing, mappings, missing plug-ins/media, and current playback/record state. 4. Preserve the concert. For configuration changes, use a duplicate or explicit backup. Do not save over an active performance file without confirmation. 5. Confirm immediately before changing selected patches, audio or MIDI devices, channel-strip output routes, mappings, playback, recording, or concert file state. State the user-visible effect and recovery path. 6. Prepare one rehearsal path: v