Soften RSVP cancellation dialog wording

Replace harsh "permanently cancelled" language with friendlier
"The organizer will no longer see you as attending" and rename
buttons from "Cancel attendance" to "Cancel RSVP".

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/e2e/cancel-rsvp.spec.ts

@@ -43,7 +43,7 @@ test.describe('US1: Cancel RSVP from Event Detail View', () => {
     await expect(statusBar).toBeVisible()
 
     // Cancel button hidden initially
-    await expect(page.getByRole('button', { name: 'Cancel attendance' })).not.toBeVisible()
+    await expect(page.getByRole('button', { name: 'Cancel RSVP' })).not.toBeVisible()
   })
 
   test('tapping status bar reveals cancel button', async ({ page, network }) => {
@@ -57,7 +57,7 @@ test.describe('US1: Cancel RSVP from Event Detail View', () => {
     await page.getByRole('button', { name: /You're attending/ }).click()
 
     // Cancel button appears
-    await expect(page.getByRole('button', { name: 'Cancel attendance' })).toBeVisible()
+    await expect(page.getByRole('button', { name: 'Cancel RSVP' })).toBeVisible()
   })
 
   test('confirm cancellation → localStorage cleared, count decremented, bar reset', async ({ page, network }) => {
@@ -70,13 +70,13 @@ test.describe('US1: Cancel RSVP from Event Detail View', () => {
     await page.addInitScript(seedEvents([rsvpSeed()]))
     await page.goto(`/events/${fullEvent.eventToken}`)
 
-    // Expand → Cancel attendance → Confirm in dialog
+    // Expand → Cancel RSVP → Confirm in dialog
     await page.getByRole('button', { name: /You're attending/ }).click()
     await page.locator('.rsvp-bar__cancel').click()
 
     // Confirm dialog
-    await expect(page.getByText('Your attendance will be permanently cancelled.')).toBeVisible()
+    await expect(page.getByText('The organizer will no longer see you as attending.')).toBeVisible()
-    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel attendance' }).click()
+    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel RSVP' }).click()
 
     // Bar resets to CTA state
     await expect(page.getByRole('button', { name: "I'm attending" })).toBeVisible()
@@ -108,7 +108,7 @@ test.describe('US1: Cancel RSVP from Event Detail View', () => {
     // Expand → Cancel → Confirm in dialog
     await page.getByRole('button', { name: /You're attending/ }).click()
     await page.locator('.rsvp-bar__cancel').click()
-    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel attendance' }).click()
+    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel RSVP' }).click()
 
     // Error message
     await expect(page.getByText('Could not cancel RSVP. Please try again.')).toBeVisible()
@@ -136,7 +136,7 @@ test.describe('US1: Cancel RSVP from Event Detail View', () => {
     // Cancel first
     await page.getByRole('button', { name: /You're attending/ }).click()
     await page.locator('.rsvp-bar__cancel').click()
-    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel attendance' }).click()
+    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel RSVP' }).click()
 
     // CTA should be back
     await expect(page.getByRole('button', { name: "I'm attending" })).toBeVisible()
@@ -244,7 +244,7 @@ test.describe('US3: Cancel RSVP with Stale/Invalid Token', () => {
     // Cancel flow
     await page.getByRole('button', { name: /You're attending/ }).click()
     await page.locator('.rsvp-bar__cancel').click()
-    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel attendance' }).click()
+    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel RSVP' }).click()
 
     // Treated as success — CTA returns
     await expect(page.getByRole('button', { name: "I'm attending" })).toBeVisible()

frontend/e2e/watch-event.spec.ts

@@ -129,7 +129,7 @@ test.describe('US4: RSVP cancellation preserves watch status', () => {
     // Cancel RSVP
     await page.getByRole('button', { name: /You're attending/ }).click()
     await page.locator('.rsvp-bar__cancel').click()
-    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel attendance' }).click()
+    await page.getByRole('alertdialog').getByRole('button', { name: 'Cancel RSVP' }).click()
 
     // Bookmark reappears in CTA state, filled because event is still stored
     const bookmark = page.locator('.rsvp-bar__bookmark-inner')

frontend/src/components/RsvpBar.vue

@@ -25,7 +25,7 @@
             type="button"
             @click="$emit('cancel')"
           >
-            Cancel attendance
+            Cancel RSVP
           </button>
         </Transition>
       </div>

frontend/src/views/EventDetailView.vue

@@ -129,9 +129,9 @@
     <!-- Cancel confirmation dialog -->
     <ConfirmDialog
       :open="confirmCancelOpen"
-      title="Cancel attendance?"
+      title="Cancel RSVP?"
-      message="Your attendance will be permanently cancelled."
+      message="The organizer will no longer see you as attending."
-      confirm-label="Cancel attendance"
+      confirm-label="Cancel RSVP"
       cancel-label="Keep"
       @confirm="handleCancelRsvp"
       @cancel="confirmCancelOpen = false"