diff --git a/src/features/agenda/pages/AgendaClinicaPage.vue b/src/features/agenda/pages/AgendaClinicaPage.vue
index a586d51..036b608 100644
--- a/src/features/agenda/pages/AgendaClinicaPage.vue
+++ b/src/features/agenda/pages/AgendaClinicaPage.vue
@@ -36,6 +36,12 @@ import { useDeterminedCommitments } from '@/features/agenda/composables/useDeter
 import { useFeriados } from '@/composables/useFeriados';
 import { useAgendaBloqueios } from '@/features/agenda/composables/useAgendaBloqueios';
 
+// Fase D (replicação Clínica): adopta agendaBilling.service via composable
+// reutilizável. Cobre status change com confirm dialog + multa + reverse +
+// pacote saldo/upfront (C7-C13 de Melissa, espelho da Fase C do Rail).
+import { useAgendaStatusChange } from '@/features/agenda/composables/useAgendaStatusChange';
+import AgendaStatusChangeConfirmDialog from '@/features/agenda/components/AgendaStatusChangeConfirmDialog.vue';
+
 import { mapAgendaEventosToCalendarEvents, minutesToDuration } from '@/features/agenda/services/agendaMappers';
 import { useAgendaSettings } from '@/features/agenda/composables/useAgendaSettings';
 import { useTenantStore } from '@/stores/tenantStore';
@@ -502,6 +508,15 @@ const ownerOptions = computed(() => staffCols.value.map((p) => ({ label: p.title
 // -------------------- events --------------------
 const { loading: loadingEvents, error: eventsError, rows, loadClinicRange, createClinic, updateClinic, removeClinic } = useAgendaClinicEvents();
 
+// Fase D: status change com confirm dialog + billing (Melissa pattern).
+const {
+    dialogOpen: statusDialogOpen,
+    dialogProps: statusDialogProps,
+    onDialogConfirm: onStatusDialogConfirm,
+    onDialogCancel: onStatusDialogCancel,
+    applyStatusChange
+} = useAgendaStatusChange({ toast });
+
 const { loadAndExpand, createRule, updateRule, cancelRule, splitRuleAt, cancelRuleFrom, upsertException } = useRecurrence();
 
 const { saveRuleItems, propagateToSerie } = useCommitmentServices();
@@ -1189,38 +1204,58 @@ function onEditSeriesOccurrence({ id, recurrence_date, inicio_em, fim_em, is_vir
 async function onUpdateSeriesEvent({ id, status, recurrence_date, inicio_em, fim_em, is_virtual }) {
     const tid = tenantId.value;
     try {
-        if (id) {
-            await updateClinic(id, { status }, { tenantId: tid });
-            return;
+        const row = dialogEventRow.value || {};
+
+        // 1) Materializar virtual se preciso (resolve eventoId real)
+        let eventoId = id;
+        if (!id) {
+            if (!is_virtual || !inicio_em) return;
+            const rid = row.recurrence_id ?? row.serie_id ?? null;
+            const rDate = recurrence_date || inicio_em?.slice(0, 10);
+            const { data: existing } = await supabase
+                .from('agenda_eventos')
+                .select('id')
+                .eq('recurrence_id', rid)
+                .eq('recurrence_date', rDate)
+                .maybeSingle();
+            if (existing?.id) {
+                eventoId = existing.id;
+            } else {
+                // Materializa com status='agendado'; o status final aplica
+                // após applyStatusChange ramificar pelo dialog se preciso.
+                const created = await createClinic(
+                    {
+                        owner_id: dialogOwnerId.value || clinicOwnerId.value,
+                        tenant_id: tid,
+                        recurrence_id: rid,
+                        recurrence_date: rDate,
+                        tipo: 'sessao',
+                        status: 'agendado',
+                        inicio_em,
+                        fim_em,
+                        visibility_scope: 'public',
+                        titulo: row.titulo || 'Sessão',
+                        patient_id: row.patient_id || row.paciente_id || null,
+                        determined_commitment_id: row.determined_commitment_id || null
+                    },
+                    { tenantId: tid }
+                );
+                eventoId = created?.id || null;
+            }
         }
-        if (!is_virtual || !inicio_em) return;
 
-        const rid = dialogEventRow.value?.recurrence_id ?? dialogEventRow.value?.serie_id ?? null;
-        const rDate = recurrence_date || inicio_em?.slice(0, 10);
+        // 2) Atualiza status no DB
+        if (eventoId) {
+            await updateClinic(eventoId, { status }, { tenantId: tid });
+        }
 
-        const { data: existing } = await supabase.from('agenda_eventos').select('id').eq('recurrence_id', rid).eq('recurrence_date', rDate).maybeSingle();
+        // 3) Fluxo de billing (load context + dialog + apply)
+        const rowWithStatus = { ...row, id: eventoId, status, inicio_em, fim_em };
+        const { applied } = await applyStatusChange({ eventoId, row: rowWithStatus, novoStatus: status });
 
-        if (existing?.id) {
-            await updateClinic(existing.id, { status }, { tenantId: tid });
-        } else {
-            const row = dialogEventRow.value || {};
-            await createClinic(
-                {
-                    owner_id: dialogOwnerId.value || clinicOwnerId.value,
-                    tenant_id: tid,
-                    recurrence_id: rid,
-                    recurrence_date: rDate,
-                    tipo: 'sessao',
-                    status,
-                    inicio_em,
-                    fim_em,
-                    visibility_scope: 'public',
-                    titulo: row.titulo || 'Sessão',
-                    patient_id: row.patient_id || row.paciente_id || null,
-                    determined_commitment_id: row.determined_commitment_id || null
-                },
-                { tenantId: tid }
-            );
+        // 4) Refetch se aplicou (UI reflete novo estado)
+        if (applied && typeof loadClinicRange === 'function') {
+            await loadClinicRange();
         }
     } catch (e) {
         toast.add({ severity: 'warn', summary: 'Erro', detail: e?.message || 'Falha ao atualizar status.', life: 3000 });
@@ -2463,6 +2498,21 @@ function goRecorrencias() {
     <!-- Dialog de Bloqueio -->
     <BloqueioDialog v-model="bloqueioDialogOpen" :mode="bloqueioMode" :workRules="workRules" :settings="settings" :ownerId="clinicOwnerId" :tenantId="tenantId || ''" @saved="refetch" />
 
+    <!-- Fase D: confirma status change com decisões de billing
+         (multa, consumir saldo, gerar cobrança, reverse transition). -->
+    <AgendaStatusChangeConfirmDialog
+        v-model="statusDialogOpen"
+        :evento="statusDialogProps.evento"
+        :novoStatus="statusDialogProps.novoStatus"
+        :regraExcecao="statusDialogProps.regraExcecao"
+        :billingContract="statusDialogProps.billingContract"
+        :billingContractStyle="statusDialogProps.billingContractStyle"
+        :pendingRecord="statusDialogProps.pendingRecord"
+        :sessionPrice="statusDialogProps.sessionPrice"
+        @confirm="onStatusDialogConfirm"
+        @update:modelValue="(v) => !v && onStatusDialogCancel()"
+    />
+
     <!-- Dialog: feriados próximos (todos os dias úteis — bloqueados e pendentes) -->
     <Dialog v-model:visible="feriadosAlertaOpen" modal :draggable="false" header="Feriados nos próximos 30 dias" :style="{ width: '520px', maxWidth: '96vw' }">
         <div class="flex flex-col gap-3">