fix: reconcile final control panel coverage UX

central/tests/test_control_panel_fixture.py

@@ -17,6 +17,8 @@ def test_fixture_creates_one_hundred_varied_installations_and_events():
         assert {row.agent_health for row in snapshots} == {"ONLINE", "DEGRADED", "OFFLINE", "FAILED", "UNKNOWN"}
         assert {row.version_drift for row in snapshots} == {"CURRENT", "OUTDATED", "UNKNOWN"}
         assert {row.installation_id for row in session.query(Installation).all()} == {str(uuid.uuid5(uuid.NAMESPACE_DNS, f"fixture-{index}")) for index in range(100)}
+        assert all(row.fiscally_complete + row.safe_blocked + row.failed_products == row.total_products for row in snapshots)
+        assert all(row.coverage_percent == round(row.fiscally_complete * 100 / row.total_products, 1) for row in snapshots)
 
         blockers = session.query(BlockedProduct).all()
         assert len({row.blocker_fingerprint for row in blockers}) == len(blockers)