Feature: Overpass Turbo + VLM-Bildanalyse

Overpass Turbo Integration:
- POST /api/overpass/query: OverpassQL-Proxy mit Caching, Rate-Limiting, Fallback
- GET /api/overpass/templates: 30 OSINT-Templates in 6 Kategorien
- Frontend: Query-Editor Panel mit Template-Browser, Viewport-BBox
- Layer: Nodes/Ways/Relations Rendering auf CesiumJS mit OSM-Tag InfoBox

VLM-Bildanalyse:
- POST /api/vlm/analyze: Bildupload -> Claude Code headless (Sonnet) -> GEOINT-Analyse
- POST /api/vlm/generate-queries: VLM-Erkennungen -> OverpassQL
- Frontend: Drag&Drop Upload, Zwei-Stufen-Workflow (Analyse -> Overpass-Suche)
- Bild-Resize (Pillow), asyncio Subprocess, Semaphore (max 1 parallel)

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

static/js/app.js

@@ -159,6 +159,14 @@ const Globe = {
             'layer-satellites': function(on) { on ? SatellitesLayer.start(Globe.viewer) : SatellitesLayer.stop(); },
             'layer-cables': function(on) { on ? CablesLayer.start(Globe.viewer) : CablesLayer.stop(); },
             'layer-infra': function(on) { on ? InfraLayer.start(Globe.viewer) : InfraLayer.stop(); },
+            'layer-overpass': function(on) {
+                if (on) { OverpassLayer.start(Globe.viewer); OverpassUI.show(); }
+                else { OverpassLayer.stop(); OverpassUI.hide(); }
+            },
+            'layer-vlm': function(on) {
+                if (on) { VlmUI.show(); }
+                else { VlmUI.hide(); }
+            },
             'layer-iss': function(on) { on ? ISSLayer.start(Globe.viewer) : ISSLayer.stop(); },
             'layer-disasters': function(on) { on ? DisastersLayer.start(Globe.viewer) : DisastersLayer.stop(); },
             'layer-weather': function(on) { on ? WeatherLayer.start(Globe.viewer) : WeatherLayer.stop(); },