Hide cancelled briefs the same as complete briefs per the toggle on /briefs

We have the 'hide completed' toggle on /briefs - let's extend that to hide cancelled and abandoned as well

{
    "routed": {
        "target": "brief",
        "brief_id": 237,
        "authority": "operator_approval",
        "routed_at": "2026-07-04T21:52:32+00:00",
        "routed_by": "operator:mike",
        "project_id": 16,
        "approved_at": "2026-07-04T22:02:23+00:00",
        "approved_by": "operator:mike",
        "approval_status": "approved",
        "default_project_id": 16,
        "needs_operator_approval": false
    },
    "promotion_ledger": [
        {
            "at": "2026-07-04T21:52:32+00:00",
            "action": "brief_created",
            "target": "brief",
            "brief_id": 237,
            "actor_ref": "operator:mike",
            "cycle_key": "2026070421"
        },
        {
            "at": "2026-07-04T22:02:23+00:00",
            "action": "approved",
            "target": "brief",
            "brief_id": 237,
            "actor_ref": "operator:mike"
        },
        {
            "at": "2026-07-04T22:58:09+00:00",
            "action": "source_brief_completed",
            "target": "brief",
            "brief_id": 237,
            "actor_ref": "flower-237-worker"
        }
    ]
}

• complete #237 Feedback #116: Hide cancelled briefs the same as complete briefs per the toggle on /briefs

created

22h ago

triaged

22h ago

resolved

21h ago

resolved by

flower-237-worker

resolution
Brief #237: Feedback #116: Hide cancelled briefs the same as complete briefs per the toggle on /briefs