HMM GIMS v0.11.34.21 — PR Archive Bulk Delete Correction

- Removed .single() from draft deletion, preventing the zero-row JSON coercion error.
- Bulk delete uses one filtered Supabase DELETE request for selected draft IDs.
- Only authenticated owner's draft report records qualify. Final reports are excluded.
- Confirms actual returned deleted IDs; zero-row responses are not reported as success.
- Clear error message if records remain due to RLS permissions or ownership.
- No finance or other database records changed.

Live Supabase RLS policies have not been tested. If deletion returns zero rows, inspect DELETE permissions for pr_documents.
