Geoparsing als Hintergrund-Task mit Fortschrittsanzeige

- Endpunkt startet async Background-Task statt synchron zu warten
- Batch-Verarbeitung (50 Artikel pro Batch)
- Neuer Status-Endpunkt GET /incidents/{id}/geoparse-status
- Frontend pollt alle 3s und zeigt Fortschritt im Button (z.B. "150/427 Artikel...")
- Kein Timeout-Problem mehr bei grossen Lagen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/static/js/app.js

@@ -1429,24 +1429,57 @@ const App = {
         }
     },
 
+    _geoparsePolling: null,
+
     async triggerGeoparse() {
         if (!this.currentIncidentId) return;
         const btn = document.getElementById('geoparse-btn');
-        if (btn) { btn.disabled = true; btn.textContent = 'Erkennung...'; }
+        if (btn) { btn.disabled = true; btn.textContent = 'Wird gestartet...'; }
         try {
             const result = await API.triggerGeoparse(this.currentIncidentId);
-            UI.showToast(result.message, result.new_locations > 0 ? 'success' : 'info');
-            if (result.new_locations > 0) {
-                const locations = await API.getLocations(this.currentIncidentId).catch(() => []);
-                UI.renderMap(locations);
+            if (result.status === 'done') {
+                UI.showToast(result.message, 'info');
+                if (btn) { btn.disabled = false; btn.textContent = 'Orte erkennen'; }
+                return;
             }
+            UI.showToast(result.message, 'info');
+            this._pollGeoparse(this.currentIncidentId);
         } catch (err) {
             UI.showToast('Geoparsing fehlgeschlagen: ' + err.message, 'error');
-        } finally {
             if (btn) { btn.disabled = false; btn.textContent = 'Orte erkennen'; }
         }
     },
 
+    _pollGeoparse(incidentId) {
+        if (this._geoparsePolling) clearInterval(this._geoparsePolling);
+        const btn = document.getElementById('geoparse-btn');
+        this._geoparsePolling = setInterval(async () => {
+            try {
+                const st = await API.getGeoparseStatus(incidentId);
+                if (st.status === 'running') {
+                    if (btn) btn.textContent = `${st.processed}/${st.total} Artikel...`;
+                } else {
+                    clearInterval(this._geoparsePolling);
+                    this._geoparsePolling = null;
+                    if (btn) { btn.disabled = false; btn.textContent = 'Orte erkennen'; }
+                    if (st.status === 'done' && st.locations > 0) {
+                        UI.showToast(`${st.locations} Orte aus ${st.processed} Artikeln erkannt`, 'success');
+                        const locations = await API.getLocations(incidentId).catch(() => []);
+                        UI.renderMap(locations);
+                    } else if (st.status === 'done') {
+                        UI.showToast('Keine neuen Orte gefunden', 'info');
+                    } else if (st.status === 'error') {
+                        UI.showToast('Geoparsing fehlgeschlagen: ' + (st.error || ''), 'error');
+                    }
+                }
+            } catch {
+                clearInterval(this._geoparsePolling);
+                this._geoparsePolling = null;
+                if (btn) { btn.disabled = false; btn.textContent = 'Orte erkennen'; }
+            }
+        }, 3000);
+    },
+
     _formatInterval(minutes) {
         if (minutes >= 10080 && minutes % 10080 === 0) {
             const w = minutes / 10080;