Bare tsc never copies .sql files into core's dist, and the desktop staging
had no equivalent of the CLI's tsup migrations hook, so every packaged
desktop build shipped without dist/postgres/migrations and Local mode
crashed schema init (ENOENT 0000_initial.sql) after embedded Postgres
started. buildCore() now stages the migrations beside the compiled output,
stageDesktopDeploy() re-stages them into the deployed closure, and
verifyCoreMigrationsStaged() fails the build if the baseline migration is
missing from the stage.
Verified end to end: packed mac-arm64 app boots with isolated home,
embedded PG 15.18 initializes from packaged migrations, /api/health 200.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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