- PRODUCTION_BRANCH defaulted to `production`, a branch this repo does not have (development is the
table, main is production). compose.yaml and every deployment already set main; a platform deploy
that left it unset watched a missing branch and /cdn never built. Default main in build-cdn.sh,
pb-prod-migrations.sh and admin.mjs, and in the README.
- EMBED_BASE_URL was missing from the settings table. Unset, the published snippets stay relative.
- Open mode is for a laptop or a private network: it has none of the public mode's guards. Said so.
- compose.yaml reads the repo-root .env, the same file bun run dev reads, so laptop-only settings
would reach the container. Said so in compose.yaml and the platform table.
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