Both tables have no account_id column — they are globally readable
by all authenticated users and must not have RLS policies.
Also removes the corresponding test cases that assumed these tables
had account_id-based policies.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
script_categories is a global lookup table (shared across all tenants).
The account_id column belongs to ScriptTemplate in the same model file,
not ScriptCategory. The Python scan matched the file, not the class.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>