diff --git a/src/app/admin/quick-modals.test.tsx b/src/app/admin/quick-modals.test.tsx
new file mode 100644
index 0000000..59a91c4
--- /dev/null
+++ b/src/app/admin/quick-modals.test.tsx
@@ -0,0 +1,149 @@
+import { describe, expect, it, vi, beforeEach } from "vitest"
+import type { ReactElement } from "react"
+
+import { AdminDevicesOverview } from "@/components/admin/devices/admin-devices-overview"
+import { AdminCompaniesManager } from "@/components/admin/companies/admin-companies-manager"
+import { AdminUsersWorkspace } from "@/components/admin/users/admin-users-workspace"
+
+// Shared mocks for server-side helpers
+const requireStaffSession = vi.fn()
+const fetchCompaniesByTenant = vi.fn()
+const normalizeCompany = vi.fn((c) => c)
+const prismaUserFindMany = vi.fn()
+const prismaAuthUserFindMany = vi.fn()
+const prismaAuthSessionFindMany = vi.fn()
+
+vi.mock("@/lib/auth-server", () => ({
+  requireStaffSession,
+}))
+
+vi.mock("@/server/company-service", () => ({
+  fetchCompaniesByTenant,
+  normalizeCompany,
+}))
+
+vi.mock("@/lib/prisma", () => ({
+  prisma: {
+    user: { findMany: prismaUserFindMany },
+    authUser: { findMany: prismaAuthUserFindMany },
+    authSession: { findMany: prismaAuthSessionFindMany },
+  },
+}))
+
+// Helpers
+function getSingleChild(element: ReactElement): ReactElement {
+  const child = (element.props as { children?: ReactElement | ReactElement[] }).children
+  if (!child) throw new Error("Expected element to have children")
+  return Array.isArray(child) ? child[0] : child
+}
+
+describe("admin quick actions -> auto-open flags", () => {
+  describe("devices page", () => {
+    it("passes autoOpenCreateDevice=true when quick=new-device", async () => {
+      const { default: AdminDevicesPage } = await import("./devices/page")
+
+      const element = (await AdminDevicesPage({
+        searchParams: Promise.resolve({ quick: "new-device" }),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const overview = getSingleChild(outerDiv)
+
+      expect(overview.type).toBe(AdminDevicesOverview)
+      expect(overview.props.autoOpenCreateDevice).toBe(true)
+    })
+
+    it("passes autoOpenCreateDevice=false when quick is missing", async () => {
+      const { default: AdminDevicesPage } = await import("./devices/page")
+
+      const element = (await AdminDevicesPage({
+        searchParams: Promise.resolve({}),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const overview = getSingleChild(outerDiv)
+
+      expect(overview.type).toBe(AdminDevicesOverview)
+      expect(overview.props.autoOpenCreateDevice).toBe(false)
+    })
+  })
+
+  describe("companies page", () => {
+    beforeEach(() => {
+      requireStaffSession.mockResolvedValue({
+        user: { tenantId: "tenant-1" },
+      })
+      fetchCompaniesByTenant.mockResolvedValue([])
+      normalizeCompany.mockImplementation((c) => c)
+    })
+
+    it("passes autoOpenCreate=true when quick=new-company", async () => {
+      const { default: AdminCompaniesPage } = await import("./companies/page")
+
+      const element = (await AdminCompaniesPage({
+        searchParams: Promise.resolve({ quick: "new-company" }),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const manager = getSingleChild(outerDiv)
+
+      expect(manager.type).toBe(AdminCompaniesManager)
+      expect(manager.props.autoOpenCreate).toBe(true)
+    })
+
+    it("passes autoOpenCreate=false when quick is missing", async () => {
+      const { default: AdminCompaniesPage } = await import("./companies/page")
+
+      const element = (await AdminCompaniesPage({
+        searchParams: Promise.resolve({}),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const manager = getSingleChild(outerDiv)
+
+      expect(manager.type).toBe(AdminCompaniesManager)
+      expect(manager.props.autoOpenCreate).toBe(false)
+    })
+  })
+
+  describe("users page", () => {
+    beforeEach(() => {
+      requireStaffSession.mockResolvedValue({
+        user: { tenantId: "tenant-1" },
+      })
+      prismaUserFindMany.mockResolvedValue([])
+      prismaAuthUserFindMany.mockResolvedValue([])
+      prismaAuthSessionFindMany.mockResolvedValue([])
+      fetchCompaniesByTenant.mockResolvedValue([])
+      normalizeCompany.mockImplementation((c) => c)
+    })
+
+    it("passes autoOpenCreate=true when quick=new-user", async () => {
+      const { default: AdminUsersPage } = await import("./users/page")
+
+      const element = (await AdminUsersPage({
+        searchParams: Promise.resolve({ quick: "new-user" }),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const workspace = getSingleChild(outerDiv)
+
+      expect(workspace.type).toBe(AdminUsersWorkspace)
+      expect(workspace.props.autoOpenCreate).toBe(true)
+    })
+
+    it("passes autoOpenCreate=false when quick is missing", async () => {
+      const { default: AdminUsersPage } = await import("./users/page")
+
+      const element = (await AdminUsersPage({
+        searchParams: Promise.resolve({}),
+      } as unknown as { searchParams: Promise<Record<string, string | string[] | undefined>> })) as ReactElement
+
+      const outerDiv = getSingleChild(element)
+      const workspace = getSingleChild(outerDiv)
+
+      expect(workspace.type).toBe(AdminUsersWorkspace)
+      expect(workspace.props.autoOpenCreate).toBe(false)
+    })
+  })
+})