feat: Implement notification settings and logic for new video versions.

app/(dashboard)/settings/page.tsx

@@ -26,6 +26,7 @@ interface NotificationSettings {
   telegramEnabled: boolean;
   emailEnabled: boolean;
   onNewVideo: boolean;
+  onNewVersion: boolean;
   onNewComment: boolean;
   onNewReply: boolean;
   timezone: string;
@@ -83,6 +84,7 @@ export default function SettingsPage() {
     telegramEnabled: false,
     emailEnabled: false,
     onNewVideo: true,
+    onNewVersion: true,
     onNewComment: true,
     onNewReply: true,
     timezone: Intl.DateTimeFormat().resolvedOptions().timeZone || 'UTC',
@@ -257,6 +259,14 @@ export default function SettingsPage() {
             label="New Video Added"
             description="When a new video is added to one of your projects"
           />
+          <ToggleButton
+            enabled={settings.onNewVersion}
+            onToggle={() =>
+              setSettings((s) => ({ ...s, onNewVersion: !s.onNewVersion }))
+            }
+            label="New Version Added"
+            description="When a new version is added to an existing video"
+          />
           <ToggleButton
             enabled={settings.onNewComment}
             onToggle={() =>

app/api/projects/[projectId]/videos/[videoId]/versions/route.ts

@@ -4,6 +4,7 @@ import { auth } from '@/lib/auth';
 import { ProjectMemberRole, WorkspaceMemberRole } from '@prisma/client';
 import { validateUrl, validateOptionalUrl } from '@/lib/validation';
 import { rateLimit } from '@/lib/rate-limit';
+import { notifyProjectOwner } from '@/lib/notifications';
 import { apiErrors, successResponse, withCacheControl } from '@/lib/api-response';
 
 type RouteParams = { params: Promise<{ projectId: string; videoId: string }> };
@@ -145,6 +146,19 @@ export async function POST(request: NextRequest, { params }: RouteParams) {
             });
         });
 
+        // Notify project owner (fire-and-forget, skip if they added it themselves)
+        if (video.project.ownerId !== session.user.id) {
+            const baseUrl = process.env.NEXTAUTH_URL || '';
+            notifyProjectOwner(video.project.ownerId, {
+                type: 'new_version',
+                projectName: video.project.name,
+                videoTitle: video.title,
+                versionLabel: version.versionLabel || `Version ${version.versionNumber}`,
+                addedBy: session.user.name || 'A team member',
+                url: `${baseUrl}/watch/${video.id}`,
+            }).catch((err) => console.error('Notification failed:', err));
+        }
+
         const response = successResponse(version, 201);
         return withCacheControl(response, 'private, no-store');
     } catch (error) {

app/api/settings/notifications/route.ts

@@ -26,6 +26,7 @@ export async function GET() {
                 telegramEnabled: false,
                 emailEnabled: false,
                 onNewVideo: true,
+                onNewVersion: true,
                 onNewComment: true,
                 onNewReply: true,
                 timezone: 'UTC',
@@ -57,6 +58,7 @@ export async function PUT(request: NextRequest) {
             telegramEnabled,
             emailEnabled,
             onNewVideo,
+            onNewVersion,
             onNewComment,
             onNewReply,
             timezone,
@@ -76,6 +78,7 @@ export async function PUT(request: NextRequest) {
                 telegramEnabled: !!telegramEnabled,
                 emailEnabled: !!emailEnabled,
                 onNewVideo: onNewVideo ?? true,
+                onNewVersion: onNewVersion ?? true,
                 onNewComment: onNewComment ?? true,
                 onNewReply: onNewReply ?? true,
                 timezone: timezone || 'UTC',
@@ -86,6 +89,7 @@ export async function PUT(request: NextRequest) {
                 telegramEnabled: !!telegramEnabled,
                 emailEnabled: !!emailEnabled,
                 onNewVideo: onNewVideo ?? true,
+                onNewVersion: onNewVersion ?? true,
                 onNewComment: onNewComment ?? true,
                 onNewReply: onNewReply ?? true,
                 timezone: timezone || 'UTC',