[REDACTED] generate fails with "SyntaxError: ... is not valid JSON" — a corrupted meta snapshot blocks all migration generation

[REDACTED] generate (pnpm db:generate) crashes with SyntaxError: Unexpected token ... is not valid JSON at JSON.parse ... at snapshots.reduce ... prepareMigrationFolder. It refuses to generate ANY new migration, even though your schema change is fine — the error is unrelated to your edit.