Paperclip whats-blocking errorMissingColumn for a.label
Diagnosis
SQL query in /opt/paperclip/src/server/src/routes/brain.ts:200 referenced a.label but approvals table has no label column — labels stored in payload JSONB column. Other approval queries work fine — only whats-blocking endpoint had this bug. Added in Flawless Flow upgrade but not tested with real data.
Fix
Change a.label to a.payload→>‘label’ AS label. Rebuild Paperclip container.