Update dependency typescript to v6

oxlint 1.60 enables vitest/require-mock-type-parameters by default,
which requires explicit type parameters on all vi.fn() calls.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

backend/.mvn/wrapper/maven-wrapper.properties

@@ -1,3 +1,3 @@
 wrapperVersion=3.3.4
 distributionType=only-script
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.14/apache-maven-3.9.14-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.15/apache-maven-3.9.15-bin.zip

backend/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.11</version>
+        <version>3.5.13</version>
         <relativePath/>
     </parent>
 
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>com.tngtech.archunit</groupId>
             <artifactId>archunit-junit5</artifactId>
-            <version>1.4.1</version>
+            <version>1.4.2</version>
             <scope>test</scope>
         </dependency>
 
@@ -95,7 +95,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>13.3.0</version>
+                        <version>13.4.0</version>
                     </dependency>
                 </dependencies>
                 <configuration>
@@ -129,7 +129,7 @@
             <plugin>
                 <groupId>com.github.spotbugs</groupId>
                 <artifactId>spotbugs-maven-plugin</artifactId>
-                <version>4.9.8.2</version>
+                <version>4.9.8.3</version>
                 <configuration>
                     <effort>Max</effort>
                     <threshold>Low</threshold>
@@ -148,7 +148,7 @@
             <plugin>
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
-                <version>7.20.0</version>
+                <version>7.21.0</version>
                 <executions>
                     <execution>
                         <goals>

frontend/package.json

@@ -38,16 +38,16 @@
     "@vue/tsconfig": "^0.9.0",
     "eslint": "^10.0.2",
     "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-oxlint": "~1.55.0",
+    "eslint-plugin-oxlint": "~1.61.0",
     "eslint-plugin-vue": "~10.8.0",
     "jiti": "^2.6.1",
-    "jsdom": "^28.1.0",
+    "jsdom": "^29.0.0",
     "msw": "^2.12.10",
     "npm-run-all2": "^8.0.4",
     "openapi-typescript": "^7.13.0",
-    "oxlint": "~1.55.0",
+    "oxlint": "~1.61.0",
-    "prettier": "3.8.1",
+    "prettier": "3.8.3",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.0",
     "vite": "^8.0.0",
     "vite-plugin-vue-devtools": "^8.0.6",
     "vitest": "^4.0.18",

frontend/src/components/__tests__/EventList.spec.ts

@@ -2,11 +2,12 @@ import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
 import { mount, flushPromises } from '@vue/test-utils'
 import { createRouter, createMemoryHistory } from 'vue-router'
 import EventList from '../EventList.vue'
+import type { api } from '../../api/client'
 
 vi.mock('../../api/client', () => ({
   api: {
-    PATCH: vi.fn(),
+    PATCH: vi.fn<typeof api.PATCH>(),
-    DELETE: vi.fn(),
+    DELETE: vi.fn<typeof api.DELETE>(),
   },
 }))
 
@@ -31,7 +32,7 @@ const mockEvents = [
   { eventToken: 'rsvp-1', title: 'Attending Event', dateTime: '2026-03-11T20:00:00', rsvpToken: 'rsvp-token', rsvpName: 'Max' },
 ]
 
-const removeEventMock = vi.fn()
+const removeEventMock = vi.fn<(eventToken: string) => void>()
 
 vi.mock('../../composables/useEventStorage', () => ({
   isValidStoredEvent: (e: unknown) => {

frontend/src/views/__tests__/EventCreateView.spec.ts

@@ -3,19 +3,20 @@ import { mount, flushPromises } from '@vue/test-utils'
 import { createRouter, createMemoryHistory } from 'vue-router'
 import EventCreateView from '../EventCreateView.vue'
 import { api } from '@/api/client'
+import type { StoredEvent } from '@/composables/useEventStorage'
 vi.mock('@/api/client', () => ({
   api: {
-    POST: vi.fn(),
+    POST: vi.fn<typeof api.POST>(),
   },
 }))
 
 vi.mock('@/composables/useEventStorage', () => ({
-  useEventStorage: vi.fn(() => ({
+  useEventStorage: vi.fn<() => unknown>(() => ({
-    saveCreatedEvent: vi.fn(),
+    saveCreatedEvent: vi.fn<() => void>(),
-    getStoredEvents: vi.fn(() => []),
+    getStoredEvents: vi.fn<() => unknown[]>(() => []),
-    getOrganizerToken: vi.fn(),
+    getOrganizerToken: vi.fn<() => string | undefined>(),
-    saveRsvp: vi.fn(),
+    saveRsvp: vi.fn<() => void>(),
-    getRsvp: vi.fn(),
+    getRsvp: vi.fn<() => unknown>(),
   })),
 }))
 
@@ -154,19 +155,19 @@ describe('EventCreateView', () => {
   })
 
   it('submits successfully, saves to storage, and navigates to event page', async () => {
-    const mockSave = vi.fn()
+    const mockSave = vi.fn<(...args: unknown[]) => void>()
     vi.mocked(vi.importActual<typeof import('@/composables/useEventStorage')>)
     const { useEventStorage } = await import('@/composables/useEventStorage')
     vi.mocked(useEventStorage).mockReturnValue({
       saveCreatedEvent: mockSave,
-      getStoredEvents: vi.fn(() => []),
+      getStoredEvents: vi.fn<() => StoredEvent[]>(() => []),
-      getOrganizerToken: vi.fn(),
+      getOrganizerToken: vi.fn<() => string | undefined>(),
-      saveRsvp: vi.fn(),
+      saveRsvp: vi.fn<() => void>(),
-      getRsvp: vi.fn(),
+      getRsvp: vi.fn<() => { rsvpToken: string; rsvpName: string } | undefined>(),
-      removeRsvp: vi.fn(),
+      removeRsvp: vi.fn<() => void>(),
-      saveWatch: vi.fn(),
+      saveWatch: vi.fn<() => void>(),
-      isStored: vi.fn(() => false),
+      isStored: vi.fn<() => boolean>(() => false),
-      removeEvent: vi.fn(),
+      removeEvent: vi.fn<() => void>(),
     })
 
     vi.mocked(api.POST).mockResolvedValueOnce({

frontend/src/views/__tests__/EventDetailView.spec.ts

@@ -6,26 +6,26 @@ import { api } from '@/api/client'
 
 vi.mock('@/api/client', () => ({
   api: {
-    GET: vi.fn(),
+    GET: vi.fn<typeof api.GET>(),
-    POST: vi.fn(),
+    POST: vi.fn<typeof api.POST>(),
   },
 }))
 
-const mockSaveRsvp = vi.fn()
+const mockSaveRsvp = vi.fn<(...args: unknown[]) => void>()
-const mockGetRsvp = vi.fn()
+const mockGetRsvp = vi.fn<(eventToken: string) => { rsvpToken: string; rsvpName: string } | undefined>()
-const mockGetOrganizerToken = vi.fn()
+const mockGetOrganizerToken = vi.fn<(eventToken: string) => string | undefined>()
-const mockSaveWatch = vi.fn()
+const mockSaveWatch = vi.fn<(...args: unknown[]) => void>()
-const mockIsStored = vi.fn()
+const mockIsStored = vi.fn<(eventToken: string) => boolean>()
-const mockRemoveEvent = vi.fn()
+const mockRemoveEvent = vi.fn<(eventToken: string) => void>()
 
 vi.mock('@/composables/useEventStorage', () => ({
-  useEventStorage: vi.fn(() => ({
+  useEventStorage: vi.fn<() => unknown>(() => ({
-    saveCreatedEvent: vi.fn(),
+    saveCreatedEvent: vi.fn<() => void>(),
-    getStoredEvents: vi.fn(() => []),
+    getStoredEvents: vi.fn<() => unknown[]>(() => []),
     getOrganizerToken: mockGetOrganizerToken,
     saveRsvp: mockSaveRsvp,
     getRsvp: mockGetRsvp,
-    removeRsvp: vi.fn(),
+    removeRsvp: vi.fn<() => void>(),
     saveWatch: mockSaveWatch,
     isStored: mockIsStored,
     removeEvent: mockRemoveEvent,

frontend/src/views/__tests__/EventStubView.spec.ts

@@ -46,7 +46,7 @@ describe('EventStubView', () => {
   })
 
   it('copies link to clipboard and shows confirmation', async () => {
-    const writeTextMock = vi.fn().mockResolvedValue(undefined)
+    const writeTextMock = vi.fn<(text: string) => Promise<void>>().mockResolvedValue(undefined)
     Object.assign(navigator, {
       clipboard: { writeText: writeTextMock },
     })
@@ -63,7 +63,7 @@ describe('EventStubView', () => {
 
   it('shows failure message when clipboard is unavailable', async () => {
     Object.assign(navigator, {
-      clipboard: { writeText: vi.fn().mockRejectedValue(new Error('Not allowed')) },
+      clipboard: { writeText: vi.fn<(text: string) => Promise<void>>().mockRejectedValue(new Error('Not allowed')) },
     })
 
     const wrapper = await mountWithToken('fail-test')