feat: Add notification services for Email, Telegram, and WhatsApp

- Implement EmailNotifier for sending batch and test notifications via email.
- Implement TelegramNotifier for sending batch and test notifications via Telegram.
- Implement WahaNotifier for sending batch and test notifications via WhatsApp using WAHA API.
- Create migration for client_categories table and update clients table to include category_id.
- Create migration for notification_settings table to manage notification configurations.
- Add ClientCategorySeeder to populate default client categories.
- Create manifest.json for PWA support.
- Implement service worker (sw.js) for caching static assets and offline support.
- Add edit event view for modifying scheduled events.
- Create search results view for displaying search queries.
- Develop notification settings view for configuring notification channels and triggers.

resources/js/app.js

@@ -6,39 +6,26 @@ Alpine.plugin(sort);
 window.Alpine = Alpine;
 Alpine.start();
 
-// Meow sound toggle (stored in localStorage)
+// ── PWA Service Worker ────────────────────────────────────────
+if ('serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+        navigator.serviceWorker.register('/sw.js').catch(() => {/* silently fail */});
+    });
+}
+
+// ── KolManager helpers (toast notifications only — no meow) ──
 window.KolManager = {
-    meowEnabled: localStorage.getItem('meow') !== 'false',
-
-    toggleMeow() {
-        this.meowEnabled = !this.meowEnabled;
-        localStorage.setItem('meow', this.meowEnabled);
-    },
-
-    playMeow() {
-        if (!this.meowEnabled) return;
-        const ctx = new (window.AudioContext || window.webkitAudioContext)();
-        const o   = ctx.createOscillator();
-        const g   = ctx.createGain();
-        o.connect(g);
-        g.connect(ctx.destination);
-        o.type = 'sine';
-        o.frequency.setValueAtTime(880, ctx.currentTime);
-        o.frequency.exponentialRampToValueAtTime(1200, ctx.currentTime + 0.05);
-        o.frequency.exponentialRampToValueAtTime(900, ctx.currentTime + 0.15);
-        g.gain.setValueAtTime(0.3, ctx.currentTime);
-        g.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + 0.3);
-        o.start(ctx.currentTime);
-        o.stop(ctx.currentTime + 0.3);
-    },
-
     notify(msg) {
-        this.playMeow();
         const el = document.createElement('div');
-        el.className = 'fixed top-4 right-4 z-50 cat-card px-5 py-3 flex items-center gap-2 shadow-lg border border-pink-200 animate-bounce';
+        el.className = 'fixed top-4 right-4 z-50 cat-card px-5 py-3 flex items-center gap-2 shadow-lg border border-pink-200';
+        el.style.cssText = 'animation: slideIn .3s ease';
         el.innerHTML = `<span class="text-xl">🐱</span><span class="text-sm font-medium text-pink-700">${msg}</span>`;
         document.body.appendChild(el);
-        setTimeout(() => el.remove(), 3500);
+        setTimeout(() => {
+            el.style.opacity = '0';
+            el.style.transition = 'opacity .3s';
+            setTimeout(() => el.remove(), 300);
+        }, 3200);
     },
 };
 
@@ -46,7 +33,6 @@ window.KolManager = {
 document.addEventListener('DOMContentLoaded', () => {
     const flash = document.getElementById('flash-message');
     if (flash) {
-        window.KolManager.playMeow();
         setTimeout(() => {
             flash.style.opacity = '0';
             flash.style.transform = 'translateY(-10px)';