Approval delegation — create, query authority, pending inbox, approve

Left: toggle org/role flags and simulated delegation scopes. Right: Table data flow (SQL queries, diagrams, sample rows per step) or Flag behavior. Core table: ts_approval_delegation_model. Runtime authority: ApprovalAuthorityService.resolve → effectiveApproverIds. Example: manager Meera Shah (300), delegate Anil Rao (501), employee Rahul Kapoor (200).