chore(studio): webhooks UI cleanup (#43797)

## What kind of change does this PR introduce?

UI updates to platform webhooks.

## What is the new behavior?

- `Webhooks` icon on empty state
- Better text wrapping/overflow handling on table
- Clearer endpoint deletion dialog

| After |
| --- |
| <img width="1024" height="563" alt="Webhooks Toolshed
Supabase-A3AF1CE1-B489-450F-9FD7-AE1B1BC0C999"
src="https://github.com/user-attachments/assets/6606922d-fd39-400e-bc2d-99806755fc09"
/> |
| <img width="1024" height="563" alt="Webhooks Toolshed
Supabase-00EF8F02-A3F2-477C-ADDB-68996D6C16E3"
src="https://github.com/user-attachments/assets/705a1d78-4366-4ea4-b538-99eb368a3997"
/> |
| <img width="1024" height="563" alt="Webhooks Toolshed
Supabase-902AC0EC-D0D2-471A-B241-C90FA8F50883"
src="https://github.com/user-attachments/assets/97ff1267-b31b-442f-ad14-62b0bd24ac46"
/> |

apps/studio/components/interfaces/Platform/Webhooks/PlatformWebhooks.mock.ts

@@ -30,7 +30,7 @@ export const PLATFORM_WEBHOOKS_MOCK_DATA: Record<WebhookScope, PlatformWebhooksM
       {
         id: '1a4e8c73-5b29-44af-8c62-9f1d2b3c4d5e',
         name: 'Slack notifications',
-        url: 'https://hooks.slack.com/services/T000/B000/ORG',
+        url: 'https://hooks.slack.com/services/abc1234/def5678/ghi9012',
         description: 'Operational alerts for organization-level events',
         enabled: false,
         eventTypes: ['organization.updated'],

apps/studio/components/interfaces/Platform/Webhooks/PlatformWebhooksEndpointList.tsx

@@ -1,5 +1,5 @@
 import { createNavigationHandler } from 'lib/navigation'
-import { ChevronRight, Eye, MoreVertical, Plus, Search, Trash2 } from 'lucide-react'
+import { ChevronRight, Eye, MoreVertical, Plus, Search, Trash2, Webhook } from 'lucide-react'
 import { useRouter } from 'next/router'
 import { useMemo, useState } from 'react'
 import {
@@ -93,6 +93,7 @@ export const PlatformWebhooksEndpointList = ({
       <div className="flex items-center justify-between gap-2">
         <h2 className="text-foreground text-xl">Endpoints</h2>
       </div>
+
       <div className="flex items-center justify-between gap-x-2">
         <Input
           placeholder="Search endpoints"
@@ -102,6 +103,7 @@ export const PlatformWebhooksEndpointList = ({
           className="w-full lg:w-52"
           onChange={(event) => onSearchChange(event.target.value)}
         />
+
         <Button type="primary" icon={<Plus />} onClick={onCreateEndpoint}>
           New endpoint
         </Button>
@@ -109,6 +111,7 @@ export const PlatformWebhooksEndpointList = ({
 
       {filteredEndpoints.length === 0 ? (
         <EmptyStatePresentational
+          icon={Webhook}
           title="No endpoints yet"
           description="Create an endpoint to start receiving webhook deliveries."
         >
@@ -171,15 +174,17 @@ export const PlatformWebhooksEndpointList = ({
                     <TableCell className="max-w-[420px]">
                       <p className="truncate">{displayName}</p>
                       {hasName && (
-                        <p className="text-xs text-foreground-lighter truncate">{endpoint.url}</p>
+                        <p className="text-xs text-foreground-lighter truncate mt-0.5">
+                          {endpoint.url}
+                        </p>
                       )}
                     </TableCell>
                     <TableCell className="max-w-[280px] truncate">
                       {formatEventCount(endpoint.eventTypes)}
                     </TableCell>
-                    <TableCell>
+                    <TableCell className="max-w-[220px]">
                       <TimestampInfo className="text-sm" utcTimestamp={endpoint.createdAt} />
-                      <p className="text-xs text-foreground-lighter mt-0.5">
+                      <p className="text-xs text-foreground-lighter mt-0.5 truncate">
                         by {endpoint.createdBy}
                       </p>
                     </TableCell>

apps/studio/components/interfaces/Platform/Webhooks/PlatformWebhooksHeader.tsx

@@ -74,18 +74,7 @@ export const PlatformWebhooksHeader = ({
           <PageHeaderDescription>{headerDescription}</PageHeaderDescription>
         </PageHeaderSummary>
         <PageHeaderAside>
-          {hasSelectedEndpoint ? (
-            endpointActions
-          ) : (
-            <>
-              <DocsButton href="https://supabase.com/docs" />
-              <Button asChild type="default">
-                <a target="_blank" rel="noopener noreferrer" href="https://supabase.com">
-                  Leave feedback
-                </a>
-              </Button>
-            </>
-          )}
+          {hasSelectedEndpoint ? endpointActions : <DocsButton href="https://supabase.com/docs" />}
         </PageHeaderAside>
       </PageHeaderMeta>
     </PageHeader>

apps/studio/components/interfaces/Platform/Webhooks/PlatformWebhooksPage.tsx

@@ -128,9 +128,18 @@ export const PlatformWebhooksPage = ({ scope, endpointId }: PlatformWebhooksPage
     () => endpoints.find((endpoint) => endpoint.id === endpointIdPendingDelete) ?? null,
     [endpoints, endpointIdPendingDelete]
   )
+  const endpointPendingDeleteHasName = endpointPendingDelete
+    ? endpointPendingDelete.name.trim().length > 0
+    : false
   const endpointPendingDeleteDisplayName = endpointPendingDelete
     ? getWebhookEndpointDisplayName(endpointPendingDelete)
     : ''
+  let deleteEndpointDescription = 'This action cannot be undone.'
+  if (endpointPendingDelete) {
+    deleteEndpointDescription = endpointPendingDeleteHasName
+      ? `Deleting “${endpointPendingDeleteDisplayName}” stops all deliveries to the URL below. This can’t be undone.`
+      : 'Deleting this endpoint stops all deliveries to the URL below. This can’t be undone.'
+  }
 
   useEffect(() => {
     if (!platformWebhooksEnabled) {
@@ -233,7 +242,7 @@ export const PlatformWebhooksPage = ({ scope, endpointId }: PlatformWebhooksPage
       setDeliverySearch('')
     }
     setEndpointIdPendingDelete(null)
-    toast.success(`Deleted endpoint "${endpointPendingDeleteDisplayName}"`)
+    toast.success('Endpoint deleted')
   }
 
   const handleUpsertEndpoint = (values: EndpointFormValues) => {
@@ -333,14 +342,14 @@ export const PlatformWebhooksPage = ({ scope, endpointId }: PlatformWebhooksPage
                     className="gap-x-2"
                     onClick={() => setShowRegenerateSecretConfirm(true)}
                   >
-                    <RotateCw size={14} />
+                    <RotateCw size={14} className="text-foreground-lighter" />
                     <span>Regenerate secret</span>
                   </DropdownMenuItem>
                   <DropdownMenuItem
                     className="gap-x-2"
                     onClick={() => setEndpointIdPendingDelete(selectedEndpoint.id)}
                   >
-                    <Trash2 size={14} />
+                    <Trash2 size={14} className="text-foreground-lighter" />
                     <span>Delete endpoint</span>
                   </DropdownMenuItem>
                 </DropdownMenuContent>
@@ -420,14 +429,13 @@ export const PlatformWebhooksPage = ({ scope, endpointId }: PlatformWebhooksPage
         <AlertDialogContent>
           <AlertDialogHeader>
             <AlertDialogTitle>Delete endpoint</AlertDialogTitle>
-            <AlertDialogDescription>
-              {endpointPendingDelete
-                ? endpointPendingDelete.name.trim().length > 0
-                  ? `This will delete endpoint "${endpointPendingDeleteDisplayName}" with URL ${endpointPendingDelete.url}. This action cannot be undone.`
-                  : `This will delete endpoint ${endpointPendingDelete.url}. This action cannot be undone.`
-                : 'This action cannot be undone.'}
-            </AlertDialogDescription>
+            <AlertDialogDescription>{deleteEndpointDescription}</AlertDialogDescription>
           </AlertDialogHeader>
+          {endpointPendingDelete && (
+            <pre className="mx-5 -mt-1 mb-5 overflow-auto whitespace-nowrap rounded-md border border-muted bg-surface-200 px-4 py-3 font-mono text-xs tracking-tight text-foreground">
+              {endpointPendingDelete.url}
+            </pre>
+          )}
           <AlertDialogFooter>
             <AlertDialogCancel>Cancel</AlertDialogCancel>
             <AlertDialogAction variant="danger" onClick={handleDeleteEndpoint}>