feat: Global-Admin Org-Switcher fuer info@aegis-sight.de

Ermoeglicht dem Global Admin (is_global_admin Flag) zwischen
Organisationen zu wechseln. Neue Endpoints: GET /api/auth/organizations,
POST /api/auth/switch-org. Org-Dropdown im Header-Menue, nur fuer
Global Admin sichtbar. Komplett herausnehmbar (Flag + Code-Bloecke).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/static/js/api.js

@@ -243,4 +243,13 @@ const API = {
             headers: { 'Authorization': `Bearer ${token}` },
         });
     },
+
+    // --- Global Admin: Org-Wechsel (herausnehmbar) ---
+    listOrganizations() {
+        return this._request('GET', '/auth/organizations');
+    },
+
+    switchOrg(organizationId) {
+        return this._request('POST', '/auth/switch-org', { organization_id: organizationId });
+    },
 };

src/static/js/app.js

@@ -515,6 +515,11 @@ const App = {
                 warningEl.textContent = 'Lizenz abgelaufen – nur Lesezugriff';
                 warningEl.classList.add('visible');
             }
+
+            // --- Global Admin: Org-Switcher (herausnehmbar) ---
+            if (user.is_global_admin) {
+                this._initOrgSwitcher(user.tenant_id);
+            }
         } catch {
             window.location.href = '/';
             return;
@@ -2939,6 +2944,42 @@ async handleRefresh() {
         }
     },
 
+    // --- Global Admin: Org-Switcher (herausnehmbar) ---
+    async _initOrgSwitcher(currentTenantId) {
+        const section = document.getElementById('org-switcher-section');
+        const select = document.getElementById('org-switcher-select');
+        if (!section || !select) return;
+
+        try {
+            const orgs = await API.listOrganizations();
+            if (!orgs || orgs.length < 2) return;
+
+            section.style.display = 'block';
+            select.innerHTML = '';
+            orgs.forEach(org => {
+                const opt = document.createElement('option');
+                opt.value = org.id;
+                opt.textContent = org.name + (org.is_active ? '' : ' (inaktiv)');
+                if (org.id === currentTenantId) opt.selected = true;
+                select.appendChild(opt);
+            });
+
+            select.addEventListener('change', async () => {
+                const orgId = parseInt(select.value, 10);
+                if (orgId === currentTenantId) return;
+                try {
+                    const result = await API.switchOrg(orgId);
+                    localStorage.setItem('osint_token', result.access_token);
+                    window.location.reload();
+                } catch (err) {
+                    console.error('Org-Wechsel fehlgeschlagen:', err);
+                }
+            });
+        } catch {
+            // Kein Global Admin oder Fehler - Switcher bleibt versteckt
+        }
+    },
+
     logout() {
         localStorage.removeItem('osint_token');
         localStorage.removeItem('osint_username');