# The soundboard's core-logic loop, headless: replay with
#   native dev --core --script dev-script.ndjson
# Msgs dispatch into update; `advance` runs the virtual clock (firing the
# playclock subscription that advances the rendered position); audio
# events are ordinary Msgs, so the engine's reports are fed back by hand
# exactly as the transcript's `cmd audio_play ...` lines invite.

# Play track 2 (Harvest Lot) - the transcript shows the audio_play command
# with the prepared path, the hosted URL, and the manifest byte size.
{"kind":"play_track","id":2}

# The engine acknowledges the load; the platform's duration report (47s -
# an estimate) must NOT replace the manifest total of 46944ms.
{"kind":"audio_event","state":"loaded","positionMs":0,"durationMs":47000,"playing":true,"buffering":false,"bands":{"$bytes":""}}

# One second of virtual time: the playclock subscription fires 4x250ms and
# the rendered elapsed_ms walks forward between position ticks.
{"advance":1000}

# A real position tick corrects the clock (forward corrections apply;
# small backward ones hold flat - the never-rewind rule).
{"kind":"audio_event","state":"position","positionMs":1500,"durationMs":47000,"playing":true,"buffering":false,"bands":{"$bytes":""}}

# Queue Velvet Jackpot (track 16) behind the current track, then let the
# current track complete: the queue wins the advance and a fresh
# audio_play for track 16 appears in the transcript.
{"kind":"queue_track","id":16}
{"kind":"audio_event","state":"completed","positionMs":46944,"durationMs":47000,"playing":false,"buffering":false,"bands":{"$bytes":""}}
{"kind":"audio_event","state":"loaded","positionMs":0,"durationMs":131000,"playing":true,"buffering":false,"bands":{"$bytes":""}}

# Transport verbs ride the same stream.
{"kind":"toggle_play"}
{"kind":"toggle_play"}

# Copy Title puts the track title on the clipboard (fire-and-forget).
{"kind":"copy_title","id":16}

# Search narrows both libraries; the committed model shows the new draft.
{"kind":"search_edit","edit":{"kind":"insert_text","text":{"$bytes":"night"}}}
{"kind":"search_edit","edit":{"kind":"clear"}}