Fix: natural/waterway aus Generic-Filter entfernt

Bei Landschaftsbildern waren alle Tags gefiltert (0 Ergebnisse).
natural=peak, natural=wood etc. sind mit Region-BBox suchbar.
Nur building, highway, landuse bleiben als generisch gefiltert.

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

src/data_vlm.py

@@ -360,8 +360,18 @@ async def generate_queries(req: QueryGenRequest):
     fragments = []
     used_types = set()
 
+    # Generische Keys die Overpass ueberlasten
+    _GENERIC_KEYS = {
+        "building", "highway", "landuse",
+        "surface", "barrier", "wall", "fence", "roof",
+        "addr:street", "addr:city", "addr:housenumber",
+        "name", "source", "type",
+    }
+
     for obj in req.objects:
         obj_type = obj.get("type", "").lower().replace(" ", "_")
+        osm_tags = obj.get("osm_tags", [])
+        logger.info(f"VLM Objekt: type={obj_type}, osm_tags={osm_tags}")
 
         # Direkte Zuordnung
         if obj_type in _OBJECT_TO_OVERPASS and obj_type not in used_types:
@@ -369,33 +379,33 @@ async def generate_queries(req: QueryGenRequest):
             fragments.append(f'  node{tag}{bbox_str};')
             fragments.append(f'  way{tag}{bbox_str};')
             used_types.add(obj_type)
+            logger.info(f"  -> Mapping-Match: {obj_type} -> {tag}")
             continue
 
         # Fallback: OSM-Tags aus VLM-Ergebnis verwenden
-        # Generische Tags ignorieren (zu viele Treffer, Overpass Timeout)
-        _GENERIC_KEYS = {
-            "building", "highway", "landuse", "natural", "waterway",
-            "surface", "barrier", "wall", "fence", "roof",
-            "addr:street", "addr:city", "addr:housenumber",
-            "name", "source", "type",
-        }
-        osm_tags = obj.get("osm_tags", [])
+        matched = False
         for tag_str in osm_tags:
             if "=" in tag_str and tag_str not in used_types:
                 key, val = tag_str.split("=", 1)
                 if key in _GENERIC_KEYS:
-                    continue  # Zu generisch, ueberspringen
+                    logger.info(f"  -> Tag gefiltert (generisch): {tag_str}")
+                    continue
                 frag = f'["{key}"="{val}"]'
                 fragments.append(f'  node{frag}{bbox_str};')
                 fragments.append(f'  way{frag}{bbox_str};')
                 used_types.add(tag_str)
+                logger.info(f"  -> OSM-Tag verwendet: {tag_str}")
+                matched = True
                 break
+        if not matched and obj_type not in _OBJECT_TO_OVERPASS:
+            logger.warning(f"  -> KEIN MATCH fuer: {obj_type} (tags: {osm_tags})")
 
     if not fragments:
         raise HTTPException(400, "Keine passenden OSM-Tags fuer die erkannten Objekte gefunden")
 
     query = "[out:json][timeout:30];\n(\n" + "\n".join(fragments) + "\n);\nout center body;"
 
+    logger.info(f"VLM generierte Query: {query}")
     result = {
         "query": query,
         "object_count": len(req.objects),
@@ -403,5 +413,7 @@ async def generate_queries(req: QueryGenRequest):
     }
     if region_used:
         result["region"] = region_used
+        logger.info(f"VLM Query generiert: {query}")
+    if region_used:
         logger.info(f"VLM Query: Region '{region_used}' als BBox verwendet")
     return result