Replace the six inline queryAll calls in routes-agents-standup.ts with
typed domain methods: db.agents gains listDirectReportsForStandup and
listReportStatusesForStandup (LEFT JOIN aggregation), db.tasks gains
listAssigneeTasksForStandup and listTasksForAssignees (safe on empty
assignee list), db.approvals gains listAgentPendingApprovals and
listAgentResolvedApprovals. Shared listRecentTaskComments is reused.
Replace the ad-hoc getApproval helper and the filterable list query
in routes-approvals.ts with db.approvals methods. Add findApprovalById
(non-throwing lookup returning null) and listApprovalsForApi (accepts
requestedByAgentId / relatedTaskId / statuses filters and builds the
prepared statement inside the domain layer).
ZacharyZhang-NY