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

static/js/auth.js

@@ -41,11 +41,10 @@ function removeToken() {
 
 // Check if user is authenticated
 async function checkAuth() {
-    console.log('Checking authentication...');
     const token = getToken();
 
     if (!token) {
-        console.log('No token found');
+        window.dispatchEvent(new CustomEvent('auth-logout'));
         return false;
     }
 
@@ -56,20 +55,18 @@ async function checkAuth() {
 
         if (response.ok) {
             const data = await response.json();
-            console.log('Auth success:', data.user.username);
             
-            // Dispatch for Alpine
             window.dispatchEvent(new CustomEvent('auth-success', { 
                 detail: { username: data.user.full_name || data.user.username } 
             }));
             
             return true;
         } else {
-            console.log('Token invalid');
+            removeToken();
+            window.dispatchEvent(new CustomEvent('auth-logout'));
             return false;
         }
     } catch (error) {
-        console.error('Auth check error:', error);
         return false;
     }
 }