Edge Function slugs bundled into assets/functions/<slug>/.
The setup flow deploys each one to the user's Supabase via the
Management API immediately after the schema is applied.
SHA-256 of the bundled Edge Function sources (all files across
every slug in bundledFunctionSlugs, in deterministic order).
After a successful deploy the app writes this value into
_schema_meta.functions_hash on the user's Supabase; on sign-in
a mismatch drives a "Dutato updates available" banner.
Reserved for future use: the baseline version assumed by the most
recent bundled schema.sql. Zero for now — bootstrap applies the
full set and stamps _schema_meta to schemaExpectedVersion.