feat: real-time alerts via WebSocket push notifications

- Add ws WebSocket server (port 3001) with JWT auth and user-socket mapping
- Add WebSocket client with exponential backoff reconnection and heartbeat
- Add useRealtimeAlerts hook with toast notifications and unread badge
- Add alert.publisher service (WS → push → email fallback)
- Integrate publisher into DarkWatch, VoicePrint, HomeTitle, SpamShield, RemoveBrokers
- Update Navbar with connection status indicator and unread count
- Add comprehensive tests (14 passing) for server, client, and publisher

web/src/server/api/routers/spamshield.ts

@@ -20,17 +20,18 @@ export const spamshieldRouter = createTRPCRouter({
 
   classifySMS: publicProcedure
     .input(wrap(ClassifySMSSchema))
-    .query(async ({ input }) => {
-      return spamshieldService.classifySMS(input.text);
+    .query(async ({ input, ctx }) => {
+      return spamshieldService.classifySMS(input.text, ctx.user?.id);
     }),
 
   classifyCall: publicProcedure
     .input(wrap(ClassifyCallSchema))
-    .query(async ({ input }) => {
+    .query(async ({ input, ctx }) => {
       return spamshieldService.classifyCall(
         input.callerNumber,
         input.duration,
         input.timeOfDay,
+        ctx.user?.id,
       );
     }),