diff --git a/docs/plans/acoes-rapidas-dobradinhas.md b/docs/plans/acoes-rapidas-dobradinhas.md
index 9829a7ac..bda4b7a8 100644
--- a/docs/plans/acoes-rapidas-dobradinhas.md
+++ b/docs/plans/acoes-rapidas-dobradinhas.md
@@ -1,7 +1,7 @@
 # Ações rápidas — Dobradinhas
 
-Status: rascunho
-Atualizado em: 2026-07-30
+Status: entregue (B83 — #19)
+Atualizado em: 2026-08-01
 Item do roadmap: [docs/roadmap.md](../roadmap.md) (Trilha B, item **B83**)
 Impeccable: B — drawer B79 em `/dobradinhas` (+ detalhe se houver)
 Appetite: ~0,25–0,5 dia eng; sem migration
@@ -63,3 +63,9 @@ Nenhum neste item.
 ## Referências
 
 `dobradinhas/**` · B79 · `campaignHomeActions.ts`
+
+## As-built (#19)
+
+- Registry: `campaignQuickActionDobradinhas.ts` — lista (`Nova dobradinha` + 6 ações Início sem prefill), detalhe/nova (só Início).
+- Atalho “Municípios desta dobradinha” **omitido** — `municipalityListUrl` não expõe filtro por `stateDeputy`.
+- WA share (B55) **omitido** no drawer (recomendação A do plano).
diff --git a/src/lib/campaignQuickActionDobradinhas.ts b/src/lib/campaignQuickActionDobradinhas.ts
new file mode 100644
index 00000000..6b84396c
--- /dev/null
+++ b/src/lib/campaignQuickActionDobradinhas.ts
@@ -0,0 +1,52 @@
+import { Plus } from 'lucide-react'
+
+import { resolveStaffHomeQuickActions } from '@/lib/campaignHomeActions'
+import type { CampaignQuickAction } from '@/lib/campaignQuickActionTypes'
+import { isStaffCampaignRole, type CampaignRole } from '@/lib/campaignRoles'
+
+const STATE_DEPUTY_LIST_PATH = '/campanha/dobradinhas' as const
+const STATE_DEPUTY_CREATE_PATH = '/campanha/dobradinhas/nova' as const
+const STATE_DEPUTY_PATH_PREFIX = `${STATE_DEPUTY_LIST_PATH}/` as const
+
+const isStateDeputyListPath = (pathname: string): boolean =>
+  pathname === STATE_DEPUTY_LIST_PATH || pathname === `${STATE_DEPUTY_LIST_PATH}/`
+
+const isStateDeputyCreatePath = (pathname: string): boolean => pathname === STATE_DEPUTY_CREATE_PATH
+
+export const parseStateDeputyDetailSlug = (pathname: string): string | undefined => {
+  if (!pathname.startsWith(STATE_DEPUTY_PATH_PREFIX)) return undefined
+  const slug = pathname.slice(STATE_DEPUTY_PATH_PREFIX.length)
+  if (!slug || slug.includes('/') || slug === 'nova') return undefined
+  return slug
+}
+
+export const matchesDobradinhasQuickActionSurface = (pathname: string): boolean =>
+  isStateDeputyListPath(pathname) ||
+  isStateDeputyCreatePath(pathname) ||
+  parseStateDeputyDetailSlug(pathname) !== undefined
+
+const newStateDeputyAction = (): CampaignQuickAction => ({
+  id: 'new-state-deputy',
+  label: 'Nova dobradinha',
+  icon: Plus,
+  description: 'Cadastrar um deputado estadual parceiro da campanha',
+  href: STATE_DEPUTY_CREATE_PATH,
+})
+
+/** B83 — `/dobradinhas` list, detail and create surfaces. */
+export const resolveDobradinhasQuickActions = (
+  pathname: string,
+  role: CampaignRole,
+): readonly CampaignQuickAction[] => {
+  if (!matchesDobradinhasQuickActionSurface(pathname) || !isStaffCampaignRole(role)) {
+    return []
+  }
+
+  const staffActions = resolveStaffHomeQuickActions(role)
+
+  if (isStateDeputyListPath(pathname)) {
+    return [newStateDeputyAction(), ...staffActions]
+  }
+
+  return staffActions
+}
diff --git a/src/lib/campaignQuickActionRegistry.ts b/src/lib/campaignQuickActionRegistry.ts
index 06643fff..0e35e495 100644
--- a/src/lib/campaignQuickActionRegistry.ts
+++ b/src/lib/campaignQuickActionRegistry.ts
@@ -10,6 +10,10 @@ import {
   resolveDemandDetailQuickActions,
   resolveDemandsListQuickActions,
 } from '@/lib/campaignQuickActionDemands'
+import {
+  matchesDobradinhasQuickActionSurface,
+  resolveDobradinhasQuickActions,
+} from '@/lib/campaignQuickActionDobradinhas'
 import { isLeaderContactsPath } from '@/lib/campaignQuickActionMount'
 import {
   parseActivityQuickActionSurface,
@@ -57,6 +61,10 @@ export const resolveQuickActionsForPath = (
   const municipalityActions = resolveMunicipalityQuickActionsForPath(pathname, role, context)
   if (municipalityActions.length > 0) return municipalityActions
 
+  if (matchesDobradinhasQuickActionSurface(pathname)) {
+    return resolveDobradinhasQuickActions(pathname, role)
+  }
+
   const advisorActions = resolveAdvisorQuickActionsForPath(pathname, role, context)
   if (advisorActions.length > 0) return advisorActions
 
diff --git a/tests/unit/campaignQuickAction.unit.spec.ts b/tests/unit/campaignQuickAction.unit.spec.ts
index 4c906c9b..30ef56bf 100644
--- a/tests/unit/campaignQuickAction.unit.spec.ts
+++ b/tests/unit/campaignQuickAction.unit.spec.ts
@@ -12,6 +12,11 @@ import {
   resolveDemandDetailQuickActions,
   resolveDemandsListQuickActions,
 } from '@/lib/campaignQuickActionDemands'
+import {
+  matchesDobradinhasQuickActionSurface,
+  parseStateDeputyDetailSlug,
+  resolveDobradinhasQuickActions,
+} from '@/lib/campaignQuickActionDobradinhas'
 import {
   isCampaignActionsPath,
   isCampaignHomePath,
@@ -80,6 +85,11 @@ describe('campaignQuickActionMount', () => {
     expect(shouldMountQuickActionsDrawer('/campanha/assessores', 'advisor')).toBe(false)
     expect(shouldMountQuickActionsDrawer('/campanha/assessores/12', 'advisor')).toBe(false)
   })
+
+  it('mounts on dobradinhas for staff (B83)', () => {
+    expect(shouldMountQuickActionsDrawer('/campanha/dobradinhas', 'coordinator')).toBe(true)
+    expect(shouldMountQuickActionsDrawer('/campanha/dobradinhas/foo', 'advisor')).toBe(true)
+  })
 })
 
 describe('campaignQuickActionPaths (activities)', () => {
@@ -182,6 +192,46 @@ describe('activityQuickActions (B84)', () => {
   })
 })
 
+describe('campaignQuickActionDobradinhas (B83)', () => {
+  const staffActionIds = homeActionsForRole('coordinator').map((action) => action.id)
+
+  it('recognizes list, create and detail surfaces', () => {
+    expect(matchesDobradinhasQuickActionSurface('/campanha/dobradinhas')).toBe(true)
+    expect(matchesDobradinhasQuickActionSurface('/campanha/dobradinhas/nova')).toBe(true)
+    expect(matchesDobradinhasQuickActionSurface('/campanha/dobradinhas/eduardo-alves')).toBe(true)
+    expect(matchesDobradinhasQuickActionSurface('/campanha/municipios')).toBe(false)
+  })
+
+  it('parses detail slug and rejects nova', () => {
+    expect(parseStateDeputyDetailSlug('/campanha/dobradinhas/eduardo-alves')).toBe('eduardo-alves')
+    expect(parseStateDeputyDetailSlug('/campanha/dobradinhas/nova')).toBeUndefined()
+  })
+
+  it('returns list catalog with Nova dobradinha plus staff Início actions without prefill', () => {
+    const actions = resolveDobradinhasQuickActions('/campanha/dobradinhas', 'coordinator')
+    expect(actions.map((action) => action.id)).toEqual(['new-state-deputy', ...staffActionIds])
+    expect(actions[0]?.href).toBe('/campanha/dobradinhas/nova')
+    expect(actions.find((action) => action.id === 'update-votes')?.href).toBe(
+      '/campanha/acoes/atualizar-votos',
+    )
+    expect(actions.find((action) => action.id === 'uncovered-municipalities')?.href).toBe(
+      UNCOVERED_MUNICIPALITIES_LIST_HREF,
+    )
+  })
+
+  it('returns staff actions without Nova on detail and create', () => {
+    for (const pathname of ['/campanha/dobradinhas/eduardo-alves', '/campanha/dobradinhas/nova']) {
+      const actions = resolveDobradinhasQuickActions(pathname, 'advisor')
+      expect(actions.map((action) => action.id)).toEqual(staffActionIds)
+      expect(actions.some((action) => action.id === 'new-state-deputy')).toBe(false)
+    }
+  })
+
+  it('returns empty for leader lockdown', () => {
+    expect(resolveDobradinhasQuickActions('/campanha/dobradinhas', 'leader')).toEqual([])
+  })
+})
+
 describe('campaignQuickActionRegistry', () => {
   const staffActionIds = homeActionsForRole('coordinator').map((action) => action.id)
 
@@ -221,6 +271,11 @@ describe('campaignQuickActionRegistry', () => {
     expect(actions.map((action) => action.id)).toEqual(['new-activity', 'plan-tour'])
   })
 
+  it('delegates dobradinhas paths to the B83 catalog', () => {
+    const actions = resolveQuickActionsForPath('/campanha/dobradinhas', 'coordinator', {})
+    expect(actions.some((action) => action.id === 'new-state-deputy')).toBe(true)
+  })
+
   it('builds wizard hrefs with municipality slug from context', () => {
     const actions = resolveQuickActionsForPath(
       '/campanha/atividades/evento-zona-1',