Local MVP Runbook

1) Start daemon

cd runtime/hotreload-daemon
cargo run -- ../../apps/sample-swiftui ../../.brisk/hotreload/daemon.sock ../../.brisk/hotreload/metrics/latest.ndjson 60

2) Start preview host client

In another terminal:

cd runtime/swift-preview-host
swift run swift-preview-host-client ../../.brisk/hotreload/daemon.sock

3) Trigger changes

Edit files in apps/sample-swiftui/:

• ContentView.swift -> expected compatible patch (ViewBody)
• SampleApp.swift -> expected incompatible patch (FullModule)

4) Inspect metrics

cat ../../.brisk/hotreload/metrics/latest.ndjson

Each line includes timestamp, target file, and compatibility result.

One-command loop

./scripts/dev-loop.sh