feat: fix auth, provider health checks, search, and redesign UI

- Fix register/login: dict-style access on UserTable ORM objects
- Fix HTMX auth: inject JWT token in all HTMX request headers
- Fix FS7 search: use DLE AJAX endpoint /engine/ajax/search.php
- Fix ZT search: use ?p=series&search=QUERY (not DLE format)
- Fix provider health: load hardcoded providers + domain manager
- Add self.id to all anime/series providers
- Redesign homepage: Netflix-style horizontal scroll cards (.hc)
- Redesign search results: grouped by title, poster + synopsis + 3 buttons
- Add Télécharger dropdown: season download + episode picker
- Fix navbar CSS: restore .tabs flex layout, remove orphan rules
- Fix HTMX spinner: remove inline display:none, use CSS indicator
- Add AGENTS.md files across project for developer documentation

templates/base.html

@@ -18,6 +18,16 @@
         [x-cloak] { display: none !important; }
     </style>
 
+    <!-- Configure HTMX to include auth token in all requests -->
+    <script>
+        document.addEventListener('htmx:configRequest', (event) => {
+            const token = localStorage.getItem('auth_token');
+            if (token) {
+                event.detail.headers['Authorization'] = `Bearer ${token}`;
+            }
+        });
+    </script>
+
     <!-- Legacy JavaScript (Refactored to HTMX/Alpine) -->
     <script src="/static/js/auth.js?v=1.10" defer></script>
     <script src="/static/js/api.js?v=1.11" defer></script>
@@ -46,14 +56,15 @@
                 isAuthenticated: true,
                 username: '',
                 init() {
-                    console.log('Global app state ready');
                     window.addEventListener('auth-success', (e) => {
-                        console.log('Alpine auth-success received');
                         this.isAuthenticated = true;
                         this.username = e.detail.username;
                     });
+                    window.addEventListener('auth-logout', () => {
+                        this.isAuthenticated = false;
+                        this.username = '';
+                    });
                     window.addEventListener('set-tab', (e) => {
-                        console.log('Alpine set-tab received:', e.detail.tab);
                         this.activeTab = e.detail.tab;
                     });
                 }