feat: Gitea — register, settings connect, tabs org, search

1. Pas de Gitea sans config: _require_gitea() → 401 si pas de token OAuth
2. Register Gitea: boutons "Login/Register with Gitea" dynamiques selon l'onglet
3. Settings → Integrations: ✅ Active / 🔗 Connect / Disconnect + API status/disconnect
4. Workspaces: tabs par org (All | org1 | org2) + barre recherche 🔍 filtrage live
5. API: GET /api/gitea/status, DELETE /api/gitea/disconnect

app/templates/settings.html

@@ -318,9 +318,16 @@
           <div class="setting-row">
             <div>
               <div class="setting-label">Gitea</div>
-              <div class="setting-desc">Connected to git.dracodev.net</div>
+              <div class="setting-desc">
+                <span x-show="giteaLinked">Connected to git.dracodev.net</span>
+                <span x-show="!giteaLinked">Connect your Gitea account to access projects</span>
+              </div>
+            </div>
+            <div class="setting-control">
+              <span x-show="giteaLinked" style="font-size:12px;color:#0F7B6C;">✅ Active</span>
+              <button x-show="giteaLinked" class="btn-sm" style="color:var(--danger);" @click="disconnectGitea()">Disconnect</button>
+              <a x-show="!giteaLinked" class="btn-sm" href="/auth/login?provider=gitea" style="text-decoration:none;color:var(--accent);">🔗 Connect</a>
             </div>
-            <div class="setting-control"><span style="font-size:12px;color:#0F7B6C;">✅ Active</span></div>
           </div>
           <div class="setting-row">
             <div>
@@ -502,6 +509,8 @@ document.addEventListener('alpine:init', function() {
       defaultView: localStorage.getItem('fd_default_view') || 'tree',
       userInfo: {full_name: '{{ user.full_name or "" }}', login: '{{ user.login or "" }}', email: '{{ user.email or "" }}'},
       userIsAdmin: {{ 'true' if user.get('is_admin') else 'false' }},
+      // Gitea
+      giteaLinked: false,
       // Account form
       accountForm: {login:'{{ user.login or "" }}', full_name:'{{ user.full_name or "" }}', email:'{{ user.email or "" }}', password:''},
       accountSaving: false,
@@ -518,6 +527,7 @@ document.addEventListener('alpine:init', function() {
 
       async init() {
         await this.loadTags();
+        await this.loadGiteaStatus();
       },
 
       async loadTags() {
@@ -716,6 +726,21 @@ document.addEventListener('alpine:init', function() {
       saveDefaultView() {
         localStorage.setItem('fd_default_view', this.defaultView);
       }
+      async loadGiteaStatus() {
+        try {
+          var r = await fetch('/api/gitea/status');
+          var d = await r.json();
+          this.giteaLinked = d.linked || false;
+        } catch(e) { this.giteaLinked = false; }
+      },
+
+      async disconnectGitea() {
+        if (!confirm('Disconnect Gitea? You can reconnect anytime.')) return;
+        try {
+          var r = await fetch('/api/gitea/disconnect', { method: 'DELETE', headers: {'X-CSRF-Token': this.getCsrfToken()} });
+          if (r.ok) { this.giteaLinked = false; }
+        } catch(e) {}
+      },
     };
   });
 });