Kartenfeature: Geoparsing + Leaflet-Karte im Dashboard

- Neues Geoparsing-Modul (spaCy NER + geonamescache/Nominatim)
- article_locations-Tabelle mit Migration
- Pipeline-Integration nach Artikel-Speicherung
- API-Endpunkt GET /incidents/{id}/locations
- Leaflet.js + MarkerCluster im Dashboard-Grid
- Theme-aware Kartenkacheln (CartoDB dark / OSM light)
- Gold-Akzent MarkerCluster, Popup mit Artikelliste

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

src/static/js/app.js

@@ -19,6 +19,7 @@ const ThemeManager = {
         document.documentElement.setAttribute('data-theme', next);
         localStorage.setItem(this._key, next);
         this._updateIcon(next);
+        UI.updateMapTheme();
     },
     _updateIcon(theme) {
         const btn = document.getElementById('theme-toggle');
@@ -589,20 +590,21 @@ const App = {
 
     async loadIncidentDetail(id) {
         try {
-            const [incident, articles, factchecks, snapshots] = await Promise.all([
+            const [incident, articles, factchecks, snapshots, locations] = await Promise.all([
                 API.getIncident(id),
                 API.getArticles(id),
                 API.getFactChecks(id),
                 API.getSnapshots(id),
+                API.getLocations(id).catch(() => []),
             ]);
 
-            this.renderIncidentDetail(incident, articles, factchecks, snapshots);
+            this.renderIncidentDetail(incident, articles, factchecks, snapshots, locations);
         } catch (err) {
             UI.showToast('Fehler beim Laden: ' + err.message, 'error');
         }
     },
 
-    renderIncidentDetail(incident, articles, factchecks, snapshots) {
+    renderIncidentDetail(incident, articles, factchecks, snapshots, locations) {
         // Header Strip
         document.getElementById('incident-title').textContent = incident.title;
         document.getElementById('incident-description').textContent = incident.description || '';
@@ -726,6 +728,9 @@ const App = {
         });
         this.rerenderTimeline();
         this._resizeTimelineTile();
+
+        // Karte rendern
+        UI.renderMap(locations || []);
     },
 
     _collectEntries(filterType, searchTerm, range) {