diff --git a/src/components/campaign/shell/CampaignAppScrollChrome.tsx b/src/components/campaign/shell/CampaignAppScrollChrome.tsx
index 8750e805..e6569f96 100644
--- a/src/components/campaign/shell/CampaignAppScrollChrome.tsx
+++ b/src/components/campaign/shell/CampaignAppScrollChrome.tsx
@@ -2,11 +2,16 @@
 
 import type { ReactNode } from 'react'
 
+import { CampaignGlobalSearchProvider } from '@/components/campaign/dashboard/CampaignGlobalSearchMount'
 import {
   CampaignContentScroll,
   CampaignQuickActionsHost,
   useQuickActionsChromeActive,
 } from '@/components/campaign/shell/CampaignQuickActionsHost'
+import {
+  CampaignQuickActionsScrollCollapse,
+  CampaignQuickActionsSnapProvider,
+} from '@/components/campaign/shell/CampaignQuickActionsSnapContext'
 import type { CampaignRole } from '@/lib/campaignRoles'
 
 export const CampaignAppScrollChrome = ({
@@ -16,12 +21,19 @@ export const CampaignAppScrollChrome = ({
   role: CampaignRole
   children: ReactNode
 }) => {
-  const quickActionsPeek = useQuickActionsChromeActive(role)
+  const quickActionsActive = useQuickActionsChromeActive(role)
+
+  if (!quickActionsActive) {
+    return <CampaignContentScroll quickActionsPeek={false}>{children}</CampaignContentScroll>
+  }
 
   return (
-    <>
-      <CampaignContentScroll quickActionsPeek={quickActionsPeek}>{children}</CampaignContentScroll>
-      <CampaignQuickActionsHost role={role} />
-    </>
+    <CampaignQuickActionsSnapProvider>
+      <CampaignGlobalSearchProvider>
+        <CampaignQuickActionsScrollCollapse />
+        <CampaignContentScroll quickActionsPeek>{children}</CampaignContentScroll>
+        <CampaignQuickActionsHost role={role} />
+      </CampaignGlobalSearchProvider>
+    </CampaignQuickActionsSnapProvider>
   )
 }
diff --git a/src/components/campaign/shell/CampaignQuickActionsDrawer.tsx b/src/components/campaign/shell/CampaignQuickActionsDrawer.tsx
index 784818cf..f3b12df1 100644
--- a/src/components/campaign/shell/CampaignQuickActionsDrawer.tsx
+++ b/src/components/campaign/shell/CampaignQuickActionsDrawer.tsx
@@ -1,19 +1,19 @@
 'use client'
 
-import { useCallback, useState } from 'react'
+import { useCallback } from 'react'
 
-import { CampaignGlobalSearchMount } from '@/components/campaign/dashboard/CampaignGlobalSearchMount'
+import { CampaignGlobalSearchBody } from '@/components/campaign/dashboard/CampaignGlobalSearchMount'
 import { CampaignHomeActionStrip } from '@/components/campaign/dashboard/CampaignHomeActionStrip'
+import { useCampaignQuickActionsSnap } from '@/components/campaign/shell/CampaignQuickActionsSnapContext'
 import { Drawer, DrawerContent, DrawerTitle } from '@/components/ui/Drawer'
 import {
   QUICK_ACTIONS_SNAP_COLLAPSED,
-  QUICK_ACTIONS_SNAP_EXPANDED,
+  QUICK_ACTIONS_SNAP_DOCK,
   QUICK_ACTIONS_SNAP_POINTS,
-  quickActionsSnapIsExpanded,
+  quickActionsSnapIsDock,
   type QuickActionsSnapPoint,
 } from '@/lib/campaignQuickActionSnap'
 import type { CampaignQuickAction } from '@/lib/campaignQuickActionTypes'
-import { cn } from '@/lib/utils'
 
 const SNAP_POINTS = [...QUICK_ACTIONS_SNAP_POINTS]
 
@@ -22,36 +22,34 @@ export const CampaignQuickActionsDrawer = ({
 }: {
   actions: readonly CampaignQuickAction[]
 }) => {
-  const [snapPoint, setSnapPoint] = useState<QuickActionsSnapPoint | null>(
-    QUICK_ACTIONS_SNAP_COLLAPSED,
-  )
-  const expanded = quickActionsSnapIsExpanded(snapPoint)
+  const { snapPoint, setSnapPoint, isDock } = useCampaignQuickActionsSnap()
   const showActions = actions.length > 0
 
   const handleSnapPointChange = useCallback(
     (next: QuickActionsSnapPoint | string | number | null) => {
-      if (next === QUICK_ACTIONS_SNAP_COLLAPSED || next === QUICK_ACTIONS_SNAP_EXPANDED) {
+      if (next === QUICK_ACTIONS_SNAP_COLLAPSED || next === QUICK_ACTIONS_SNAP_DOCK) {
         setSnapPoint(next)
         return
       }
       setSnapPoint(QUICK_ACTIONS_SNAP_COLLAPSED)
     },
-    [],
+    [setSnapPoint],
   )
 
   const toggleSnap = useCallback(() => {
     setSnapPoint((current) =>
-      quickActionsSnapIsExpanded(current)
-        ? QUICK_ACTIONS_SNAP_COLLAPSED
-        : QUICK_ACTIONS_SNAP_EXPANDED,
+      quickActionsSnapIsDock(current) ? QUICK_ACTIONS_SNAP_COLLAPSED : QUICK_ACTIONS_SNAP_DOCK,
     )
-  }, [])
+  }, [setSnapPoint])
 
-  const handleOpenChange = useCallback((open: boolean) => {
-    if (!open) {
-      setSnapPoint(QUICK_ACTIONS_SNAP_COLLAPSED)
-    }
-  }, [])
+  const handleOpenChange = useCallback(
+    (open: boolean) => {
+      if (!open) {
+        setSnapPoint(QUICK_ACTIONS_SNAP_COLLAPSED)
+      }
+    },
+    [setSnapPoint],
+  )
 
   return (
     <Drawer
@@ -66,29 +64,23 @@ export const CampaignQuickActionsDrawer = ({
     >
       <DrawerContent
         id="CampaignQuickActionsDrawer"
-        className={cn(
-          'border-t border-border bg-background text-foreground shadow-[0_-4px_24px_-8px_rgb(0_0_0/0.12)] print:hidden',
-          !expanded && 'pointer-events-auto',
-        )}
+        className="border-t border-border bg-background text-foreground shadow-[0_-4px_24px_-8px_rgb(0_0_0/0.12)] print:hidden"
       >
         <DrawerTitle className="sr-only">Ações rápidas</DrawerTitle>
         <button
           type="button"
           onClick={toggleSnap}
-          aria-expanded={expanded}
+          aria-expanded={isDock}
           aria-controls="quickActionContext"
           className="flex w-full shrink-0 cursor-grab flex-col items-center border-0 bg-transparent px-4 pt-2 pb-1 active:cursor-grabbing"
-          aria-label={expanded ? 'Ocultar ações rápidas' : 'Mostrar ações rápidas'}
+          aria-label={isDock ? 'Ocultar ações rápidas' : 'Mostrar ações rápidas'}
         >
           <span aria-hidden className="mb-1 block h-1 w-12 rounded-full bg-muted" />
         </button>
         <div
           id="quickActionContext"
-          className={cn(
-            'flex min-h-0 flex-1 flex-col gap-4 overflow-y-auto overscroll-contain px-4 pb-[max(1rem,env(safe-area-inset-bottom,0px))]',
-            !expanded && 'hidden',
-          )}
-          data-snap={expanded ? 'expanded' : 'collapsed'}
+          className="flex min-h-0 flex-1 flex-col gap-4 overflow-y-auto overscroll-contain px-4 pb-[max(1rem,env(safe-area-inset-bottom,0px))]"
+          data-snap={isDock ? 'dock' : 'collapsed'}
         >
           {showActions ? (
             <CampaignHomeActionStrip
@@ -102,7 +94,7 @@ export const CampaignQuickActionsDrawer = ({
               className="w-full"
             />
           ) : null}
-          {expanded ? <CampaignGlobalSearchMount /> : null}
+          <CampaignGlobalSearchBody />
         </div>
       </DrawerContent>
     </Drawer>
diff --git a/src/components/campaign/shell/CampaignQuickActionsHost.tsx b/src/components/campaign/shell/CampaignQuickActionsHost.tsx
index 0de35088..d411f6cf 100644
--- a/src/components/campaign/shell/CampaignQuickActionsHost.tsx
+++ b/src/components/campaign/shell/CampaignQuickActionsHost.tsx
@@ -5,35 +5,55 @@ import type { ReactNode } from 'react'
 
 import { useCampaignQuickActionContext } from '@/components/campaign/shell/CampaignQuickActionContext'
 import { CampaignQuickActionsDrawer } from '@/components/campaign/shell/CampaignQuickActionsDrawer'
+import { useCampaignQuickActionsSnap } from '@/components/campaign/shell/CampaignQuickActionsSnapContext'
 import { useIsMobile } from '@/hooks/use-mobile'
 import { shouldMountQuickActionsDrawer } from '@/lib/campaignQuickActionMount'
 import { resolveQuickActionsForPath } from '@/lib/campaignQuickActionRegistry'
-import { QUICK_ACTIONS_SNAP_COLLAPSED } from '@/lib/campaignQuickActionSnap'
+import {
+  QUICK_ACTIONS_SNAP_COLLAPSED,
+  QUICK_ACTIONS_SNAP_DOCK,
+} from '@/lib/campaignQuickActionSnap'
 import type { CampaignRole } from '@/lib/campaignRoles'
 import { cn } from '@/lib/utils'
 
+const CampaignContentScrollWithPeek = ({ children }: { children: ReactNode }) => {
+  const { isDock } = useCampaignQuickActionsSnap()
+  const peekHeight = isDock ? QUICK_ACTIONS_SNAP_DOCK : QUICK_ACTIONS_SNAP_COLLAPSED
+
+  return (
+    <div
+      data-slot="campaign-content-scroll"
+      className={cn(
+        'min-h-0 flex-1 overflow-y-auto overscroll-contain p-4 md:p-6 print:h-auto print:overflow-visible print:p-0',
+        'pb-[calc(1rem+var(--campaign-quick-actions-peek))] md:pb-6',
+      )}
+      style={{ '--campaign-quick-actions-peek': peekHeight } as React.CSSProperties}
+    >
+      {children}
+    </div>
+  )
+}
+
 export const CampaignContentScroll = ({
   children,
   quickActionsPeek,
 }: {
   children: ReactNode
   quickActionsPeek: boolean
-}) => (
-  <div
-    data-slot="campaign-content-scroll"
-    className={cn(
-      'min-h-0 flex-1 overflow-y-auto overscroll-contain p-4 md:p-6 print:h-auto print:overflow-visible print:p-0',
-      quickActionsPeek && 'pb-[calc(1rem+var(--campaign-quick-actions-peek))] md:pb-6',
-    )}
-    style={
-      quickActionsPeek
-        ? ({ '--campaign-quick-actions-peek': QUICK_ACTIONS_SNAP_COLLAPSED } as React.CSSProperties)
-        : undefined
-    }
-  >
-    {children}
-  </div>
-)
+}) => {
+  if (!quickActionsPeek) {
+    return (
+      <div
+        data-slot="campaign-content-scroll"
+        className="min-h-0 flex-1 overflow-y-auto overscroll-contain p-4 md:p-6 print:h-auto print:overflow-visible print:p-0"
+      >
+        {children}
+      </div>
+    )
+  }
+
+  return <CampaignContentScrollWithPeek>{children}</CampaignContentScrollWithPeek>
+}
 
 export const CampaignQuickActionsHost = ({ role }: { role: CampaignRole }) => {
   const pathname = usePathname()
diff --git a/src/components/campaign/shell/CampaignQuickActionsSnapContext.tsx b/src/components/campaign/shell/CampaignQuickActionsSnapContext.tsx
new file mode 100644
index 00000000..2910d196
--- /dev/null
+++ b/src/components/campaign/shell/CampaignQuickActionsSnapContext.tsx
@@ -0,0 +1,96 @@
+'use client'
+
+import { usePathname } from 'next/navigation'
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useMemo,
+  useState,
+  type Dispatch,
+  type ReactNode,
+  type SetStateAction,
+} from 'react'
+
+import { useHomeSearch } from '@/components/campaign/dashboard/HomeSearchContext'
+import {
+  QUICK_ACTIONS_SCROLL_COLLAPSE_THRESHOLD_PX,
+  QUICK_ACTIONS_SNAP_COLLAPSED,
+  QUICK_ACTIONS_SNAP_DOCK,
+  quickActionsSnapIsDock,
+  type QuickActionsSnapPoint,
+} from '@/lib/campaignQuickActionSnap'
+
+type CampaignQuickActionsSnapContextValue = {
+  snapPoint: QuickActionsSnapPoint | null
+  setSnapPoint: Dispatch<SetStateAction<QuickActionsSnapPoint | null>>
+  isDock: boolean
+}
+
+const CampaignQuickActionsSnapContext = createContext<CampaignQuickActionsSnapContextValue | null>(
+  null,
+)
+
+export const CampaignQuickActionsSnapProvider = ({ children }: { children: ReactNode }) => {
+  const pathname = usePathname()
+  const [snapPoint, setSnapPoint] = useState<QuickActionsSnapPoint | null>(
+    QUICK_ACTIONS_SNAP_DOCK,
+  )
+
+  useEffect(() => {
+    setSnapPoint(QUICK_ACTIONS_SNAP_DOCK)
+  }, [pathname])
+
+  const value = useMemo(
+    (): CampaignQuickActionsSnapContextValue => ({
+      snapPoint,
+      setSnapPoint,
+      isDock: quickActionsSnapIsDock(snapPoint),
+    }),
+    [snapPoint],
+  )
+
+  return (
+    <CampaignQuickActionsSnapContext.Provider value={value}>
+      {children}
+    </CampaignQuickActionsSnapContext.Provider>
+  )
+}
+
+export const useCampaignQuickActionsSnap = (): CampaignQuickActionsSnapContextValue => {
+  const value = useContext(CampaignQuickActionsSnapContext)
+  if (!value) {
+    throw new Error('CampaignQuickActionsSnapProvider is required')
+  }
+  return value
+}
+
+/** Collapses the dock when the main content scrollport moves down past the threshold. */
+export const CampaignQuickActionsScrollCollapse = () => {
+  const { setSnapPoint } = useCampaignQuickActionsSnap()
+  const { uiFocused } = useHomeSearch()
+
+  const collapseIfScrolled = useCallback(() => {
+    if (uiFocused) return
+
+    const scrollport = document.querySelector('[data-slot="campaign-content-scroll"]')
+    if (!(scrollport instanceof HTMLElement)) return
+
+    if (scrollport.scrollTop > QUICK_ACTIONS_SCROLL_COLLAPSE_THRESHOLD_PX) {
+      setSnapPoint(QUICK_ACTIONS_SNAP_COLLAPSED)
+    }
+  }, [setSnapPoint, uiFocused])
+
+  useEffect(() => {
+    const scrollport = document.querySelector('[data-slot="campaign-content-scroll"]')
+    if (!(scrollport instanceof HTMLElement)) return
+
+    scrollport.addEventListener('scroll', collapseIfScrolled, { passive: true })
+    return () => {
+      scrollport.removeEventListener('scroll', collapseIfScrolled)
+    }
+  }, [collapseIfScrolled])
+
+  return null
+}
diff --git a/src/components/ui/Drawer.tsx b/src/components/ui/Drawer.tsx
index 3fc9ce51..b6c918da 100644
--- a/src/components/ui/Drawer.tsx
+++ b/src/components/ui/Drawer.tsx
@@ -137,7 +137,7 @@ const DrawerContent = ({ className, children, ...props }: DrawerPrimitive.Popup.
             'data-ending-style:transform-(--closed-transform) data-ending-style:opacity-[0.9999] data-ending-style:duration-[calc(var(--drawer-swipe-strength)*400ms)] data-nested-drawer-swiping:duration-0 data-ending-style:data-nested-drawer-swiping:duration-[calc(var(--drawer-swipe-strength)*400ms)] data-starting-style:transform-(--closed-transform) data-swiping:duration-0 data-ending-style:data-swiping:duration-[calc(var(--drawer-swipe-strength)*400ms)]',
             'data-[swipe-axis=y]:inset-x-0 data-[swipe-axis=y]:data-nested-drawer-open:h-(--stack-height)',
             'data-[swipe-axis=x]:inset-y-0 data-[swipe-axis=x]:flex-row',
-            'data-[swipe-direction=down]:bottom-0 data-[swipe-direction=down]:origin-bottom data-[swipe-direction=down]:[--closed-transform:translate3d(0,calc(100%+var(--drawer-inset,0px)+2px),0)] data-[swipe-direction=down]:[--translate-y:calc(var(--drawer-snap-point-offset,0px)+var(--drawer-swipe-movement-y)-var(--stack-peek-offset)-(var(--stack-shrink)*var(--stack-height)))]',
+            'data-[swipe-direction=down]:bottom-0 data-[swipe-direction=down]:origin-bottom data-[swipe-direction=down]:[--closed-transform:translate3d(0,calc(100%+var(--drawer-inset,0px)+2px),0)] data-[swipe-direction=down]:[--translate-y:calc(var(--drawer-snap-point-offset,0px)+var(--drawer-swipe-movement-y)-var(--stack-peek-offset)-(var(--stack-shrink)*var(--stack-height)))] data-[swipe-direction=down]:data-snap-points:pb-[max(0px,calc(var(--drawer-snap-point-offset)+var(--drawer-swipe-movement-y)))] data-[swipe-direction=down]:data-snap-points:data-starting-style:pb-0 data-[swipe-direction=down]:data-snap-points:data-ending-style:pb-0',
             'data-[swipe-direction=up]:top-0 data-[swipe-direction=up]:origin-top data-[swipe-direction=up]:[--closed-transform:translate3d(0,calc(-100%-var(--drawer-inset,0px)-2px),0)] data-[swipe-direction=up]:[--translate-y:calc(var(--drawer-snap-point-offset,0px)+var(--drawer-swipe-movement-y)+var(--stack-peek-offset)+(var(--stack-shrink)*var(--stack-height)))]',
             'data-[swipe-direction=left]:left-0 data-[swipe-direction=left]:origin-left data-[swipe-direction=left]:[--closed-transform:translate3d(calc(-100%-var(--drawer-inset,0px)-2px),0,0)] data-[swipe-direction=left]:[--translate-x:calc(var(--drawer-swipe-movement-x)+var(--stack-peek-offset)+(var(--stack-shrink)*100%))]',
             'data-[swipe-direction=right]:right-0 data-[swipe-direction=right]:origin-right data-[swipe-direction=right]:[--closed-transform:translate3d(calc(100%+var(--drawer-inset,0px)+2px),0,0)] data-[swipe-direction=right]:[--translate-x:calc(var(--drawer-swipe-movement-x)-var(--stack-peek-offset)-(var(--stack-shrink)*100%))]',
diff --git a/src/lib/campaignQuickActionSnap.ts b/src/lib/campaignQuickActionSnap.ts
index 7329c97e..044ca5f8 100644
--- a/src/lib/campaignQuickActionSnap.ts
+++ b/src/lib/campaignQuickActionSnap.ts
@@ -1,15 +1,18 @@
 /** Collapsed peek — swipe handle only (replaces legacy bottom-nav `pb-24`). */
 export const QUICK_ACTIONS_SNAP_COLLAPSED = '3rem' as const
 
-/** Expanded — actions strip + global search inside the drawer. */
-export const QUICK_ACTIONS_SNAP_EXPANDED = 0.55 as const
+/** Dock — action strip + global search visible on load and after navigation. */
+export const QUICK_ACTIONS_SNAP_DOCK = '12rem' as const
+
+/** Scroll down past this threshold on `campaign-content-scroll` collapses the drawer. */
+export const QUICK_ACTIONS_SCROLL_COLLAPSE_THRESHOLD_PX = 24
 
 export const QUICK_ACTIONS_SNAP_POINTS = [
   QUICK_ACTIONS_SNAP_COLLAPSED,
-  QUICK_ACTIONS_SNAP_EXPANDED,
+  QUICK_ACTIONS_SNAP_DOCK,
 ] as const
 
 export type QuickActionsSnapPoint = (typeof QUICK_ACTIONS_SNAP_POINTS)[number]
 
-export const quickActionsSnapIsExpanded = (snap: QuickActionsSnapPoint | null): boolean =>
-  snap === QUICK_ACTIONS_SNAP_EXPANDED
+export const quickActionsSnapIsDock = (snap: QuickActionsSnapPoint | null): boolean =>
+  snap === QUICK_ACTIONS_SNAP_DOCK
diff --git a/tests/e2e/campaignMunicipalities.e2e.spec.ts b/tests/e2e/campaignMunicipalities.e2e.spec.ts
index fcc80a20..c71eb8a8 100644
--- a/tests/e2e/campaignMunicipalities.e2e.spec.ts
+++ b/tests/e2e/campaignMunicipalities.e2e.spec.ts
@@ -406,3 +406,44 @@ test.describe('Municípios — cards no celular (B42)', () => {
     await expect(page.getByRole('heading', { name: municipality.name })).toBeVisible()
   })
 })
+
+/**
+ * B100: bottom drawer loads docked with search visible, collapses on page scroll,
+ * and reopens only from the handle — not when scrolling back to the top.
+ */
+test.describe('Municípios — bottom drawer mobile (B100)', () => {
+  test.use({ viewport: { width: 390, height: 844 } })
+
+  test('dock on load, collapse on scroll down, reopen on handle tap', async ({ campaign, page }) => {
+    const { fixtures } = campaign
+    const coordinator = await fixtures.createCampaignUser('coordinator', {
+      name: fixtures.value('Coordenador Drawer'),
+    })
+    const municipality = await fixtures.claimMunicipality()
+
+    await campaign.login(page, coordinator.email!, coordinator.password)
+    await page.goto(`${campaign.baseURL}/campanha/municipios/${municipality.slug}`)
+    await expect(page.getByRole('heading', { name: municipality.name })).toBeVisible()
+
+    const search = page.getByLabel('Buscar na campanha')
+    await expect(search).toBeInViewport()
+
+    const scrollport = page.locator('[data-slot="campaign-content-scroll"]')
+    await scrollport.evaluate((el) => {
+      el.scrollTop = 80
+      el.dispatchEvent(new Event('scroll'))
+    })
+
+    await expect(search).not.toBeInViewport()
+    await expect(page.getByRole('button', { name: 'Mostrar ações rápidas' })).toBeInViewport()
+
+    await scrollport.evaluate((el) => {
+      el.scrollTop = 0
+      el.dispatchEvent(new Event('scroll'))
+    })
+    await expect(search).not.toBeInViewport()
+
+    await page.getByRole('button', { name: 'Mostrar ações rápidas' }).click()
+    await expect(search).toBeInViewport()
+  })
+})
diff --git a/tests/unit/campaignQuickAction.unit.spec.ts b/tests/unit/campaignQuickAction.unit.spec.ts
index d00212ef..c6c09fa6 100644
--- a/tests/unit/campaignQuickAction.unit.spec.ts
+++ b/tests/unit/campaignQuickAction.unit.spec.ts
@@ -38,8 +38,8 @@ import {
 import { resolveQuickActionsForPath } from '@/lib/campaignQuickActionRegistry'
 import {
   QUICK_ACTIONS_SNAP_COLLAPSED,
-  QUICK_ACTIONS_SNAP_EXPANDED,
-  quickActionsSnapIsExpanded,
+  QUICK_ACTIONS_SNAP_DOCK,
+  quickActionsSnapIsDock,
 } from '@/lib/campaignQuickActionSnap'
 import { resolveOrganizationQuickActions } from '@/lib/organizationQuickActions'
 
@@ -395,9 +395,9 @@ describe('campaignQuickActionDemands resolvers', () => {
 })
 
 describe('campaignQuickActionSnap', () => {
-  it('detects expanded snap', () => {
-    expect(quickActionsSnapIsExpanded(QUICK_ACTIONS_SNAP_EXPANDED)).toBe(true)
-    expect(quickActionsSnapIsExpanded(QUICK_ACTIONS_SNAP_COLLAPSED)).toBe(false)
-    expect(quickActionsSnapIsExpanded(null)).toBe(false)
+  it('detects dock snap', () => {
+    expect(quickActionsSnapIsDock(QUICK_ACTIONS_SNAP_DOCK)).toBe(true)
+    expect(quickActionsSnapIsDock(QUICK_ACTIONS_SNAP_COLLAPSED)).toBe(false)
+    expect(quickActionsSnapIsDock(null)).toBe(false)
   })
 })
diff --git a/tests/unit/campaignQuickActionsDrawer.unit.spec.tsx b/tests/unit/campaignQuickActionsDrawer.unit.spec.tsx
index 8481f257..f9aac455 100644
--- a/tests/unit/campaignQuickActionsDrawer.unit.spec.tsx
+++ b/tests/unit/campaignQuickActionsDrawer.unit.spec.tsx
@@ -1,13 +1,31 @@
 import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react'
+import type { ReactNode } from 'react'
 import { afterEach, describe, expect, it, vi } from 'vitest'
 
+import { CampaignGlobalSearchProvider } from '@/components/campaign/dashboard/CampaignGlobalSearchMount'
+import { CampaignContentScroll } from '@/components/campaign/shell/CampaignQuickActionsHost'
 import { CampaignQuickActionsDrawer } from '@/components/campaign/shell/CampaignQuickActionsDrawer'
+import {
+  CampaignQuickActionsScrollCollapse,
+  CampaignQuickActionsSnapProvider,
+  useCampaignQuickActionsSnap,
+} from '@/components/campaign/shell/CampaignQuickActionsSnapContext'
 import { postCampaignJson } from '@/lib/campaignJsonRequest'
+import {
+  QUICK_ACTIONS_SCROLL_COLLAPSE_THRESHOLD_PX,
+  QUICK_ACTIONS_SNAP_COLLAPSED,
+  QUICK_ACTIONS_SNAP_DOCK,
+  quickActionsSnapIsDock,
+} from '@/lib/campaignQuickActionSnap'
 
 vi.mock('@/lib/campaignJsonRequest', () => ({
   postCampaignJson: vi.fn(),
 }))
 
+vi.mock('next/navigation', () => ({
+  usePathname: () => '/campanha/municipios/foo',
+}))
+
 const idleSuggestPayload = {
   status: 'success' as const,
   resultKind: 'suggest' as const,
@@ -20,29 +38,41 @@ const idleSuggestPayload = {
   demands: [],
 }
 
+const renderQuickActionsChrome = (ui: ReactNode) =>
+  render(
+    <CampaignQuickActionsSnapProvider>
+      <CampaignGlobalSearchProvider>
+        <CampaignQuickActionsScrollCollapse />
+        {ui}
+      </CampaignGlobalSearchProvider>
+    </CampaignQuickActionsSnapProvider>,
+  )
+
+const SnapReadout = () => {
+  const { snapPoint } = useCampaignQuickActionsSnap()
+  return <div data-testid="snap">{snapPoint ?? 'null'}</div>
+}
+
 afterEach(() => {
   cleanup()
   vi.mocked(postCampaignJson).mockReset()
 })
 
-describe('CampaignQuickActionsDrawer (B91)', () => {
-  it('shows global search in the expanded snap', () => {
+describe('CampaignQuickActionsDrawer (B100)', () => {
+  it('loads in dock snap with global search visible', () => {
     vi.mocked(postCampaignJson).mockResolvedValue({
       ok: true,
       payload: idleSuggestPayload,
     })
 
-    render(<CampaignQuickActionsDrawer actions={[]} />)
-
-    expect(screen.queryByLabelText('Buscar na campanha')).toBeNull()
-
-    fireEvent.click(screen.getByRole('button', { name: 'Mostrar ações rápidas' }))
+    renderQuickActionsChrome(<CampaignQuickActionsDrawer actions={[]} />)
 
     const context = document.getElementById('quickActionContext')
     expect(context?.className).not.toContain('hidden')
-    expect(context?.getAttribute('data-snap')).toBe('expanded')
+    expect(context?.getAttribute('data-snap')).toBe('dock')
     expect(screen.getByLabelText('Buscar na campanha')).toBeTruthy()
     expect(screen.getByRole('region', { name: 'Resultados da busca' })).toBeTruthy()
+    expect(screen.getByRole('button', { name: 'Ocultar ações rápidas' })).toBeTruthy()
   })
 
   it('posts home-search when the drawer query is active', async () => {
@@ -51,9 +81,8 @@ describe('CampaignQuickActionsDrawer (B91)', () => {
       payload: idleSuggestPayload,
     })
 
-    render(<CampaignQuickActionsDrawer actions={[]} />)
+    renderQuickActionsChrome(<CampaignQuickActionsDrawer actions={[]} />)
 
-    fireEvent.click(screen.getByRole('button', { name: 'Mostrar ações rápidas' }))
     fireEvent.change(screen.getByLabelText('Buscar na campanha'), { target: { value: 'cairu' } })
 
     await waitFor(() => {
@@ -64,4 +93,63 @@ describe('CampaignQuickActionsDrawer (B91)', () => {
       )
     })
   })
+
+  it('toggles between dock and collapsed from the handle', () => {
+    vi.mocked(postCampaignJson).mockResolvedValue({
+      ok: true,
+      payload: idleSuggestPayload,
+    })
+
+    renderQuickActionsChrome(<CampaignQuickActionsDrawer actions={[]} />)
+
+    fireEvent.click(screen.getByRole('button', { name: 'Ocultar ações rápidas' }))
+    expect(document.getElementById('quickActionContext')?.getAttribute('data-snap')).toBe(
+      'collapsed',
+    )
+    expect(screen.getByRole('button', { name: 'Mostrar ações rápidas' })).toBeTruthy()
+
+    fireEvent.click(screen.getByRole('button', { name: 'Mostrar ações rápidas' }))
+    expect(document.getElementById('quickActionContext')?.getAttribute('data-snap')).toBe('dock')
+  })
+})
+
+describe('CampaignQuickActionsScrollCollapse (B100)', () => {
+  it('collapses on content scroll down but not when scrolling back to top', () => {
+    renderQuickActionsChrome(
+      <>
+        <CampaignContentScroll quickActionsPeek>
+          <div style={{ height: '2000px' }} />
+        </CampaignContentScroll>
+        <SnapReadout />
+      </>,
+    )
+
+    const scrollport = document.querySelector('[data-slot="campaign-content-scroll"]')
+    expect(scrollport).toBeTruthy()
+    expect(screen.getByTestId('snap').textContent).toBe(QUICK_ACTIONS_SNAP_DOCK)
+
+    Object.defineProperty(scrollport, 'scrollTop', {
+      configurable: true,
+      value: QUICK_ACTIONS_SCROLL_COLLAPSE_THRESHOLD_PX + 1,
+    })
+    fireEvent.scroll(scrollport!)
+
+    expect(screen.getByTestId('snap').textContent).toBe(QUICK_ACTIONS_SNAP_COLLAPSED)
+
+    Object.defineProperty(scrollport, 'scrollTop', {
+      configurable: true,
+      value: 0,
+    })
+    fireEvent.scroll(scrollport!)
+
+    expect(screen.getByTestId('snap').textContent).toBe(QUICK_ACTIONS_SNAP_COLLAPSED)
+  })
+})
+
+describe('campaignQuickActionSnap', () => {
+  it('detects dock snap', () => {
+    expect(quickActionsSnapIsDock(QUICK_ACTIONS_SNAP_DOCK)).toBe(true)
+    expect(quickActionsSnapIsDock(QUICK_ACTIONS_SNAP_COLLAPSED)).toBe(false)
+    expect(quickActionsSnapIsDock(null)).toBe(false)
+  })
 })