Fix Orion-LD: Clean up debug code

- Remove debug print statements from publish_orion()
- Orion-LD now works: DELETE + POST fixes zombie entities
- All entities now created with source/mqttTopic fields
- Traceability fully functional for AirQualityObserved

simulator.py

@@ -508,15 +508,12 @@ def publish_stellio(sid: str, sensor: dict) -> bool:
 
 def publish_orion(sid: str, sensor: dict) -> bool:
     """Publie sur Orion-LD (POST create, PATCH update)."""
-    import socket
     # Topic MQTT correspondant (pour traçabilité)
     stype = sensor["type"]
     topic = f"city/sensors/{stype}/{sid}"
     entity = _ngsi_payload(sid, sensor, source="simulator", topic=topic)
     # Orion-LD est exposé sur localhost:2026 (hôte)
     base = "http://localhost:2026/ngsi-ld/v1"
-    # Debug: afficher l'ID de l'entité
-    print(f"  🌐 Orion-LD: ID={entity['id']}")
     # 1. Essayer de créer (POST)
     try:
         body = json.dumps(entity).encode()
@@ -529,8 +526,7 @@ def publish_orion(sid: str, sensor: dict) -> bool:
         if e.code != 409:
             print(f"  ⚠️  Orion-LD → {e.code}: {e.read().decode()[:200]}")
             return False
-        else:
-            print(f"  ⚠️  Orion-LD → 409 Conflict (entity exists)")
+        # 409 = déjà existant → PATCH
     # 2. Déjà existant (409) → PATCH sur les attributs (avec @context complet requis par Orion-LD)
     try:
         # Orion-LD exige @context même dans le PATCH
@@ -544,9 +540,6 @@ def publish_orion(sid: str, sensor: dict) -> bool:
     except Exception as e2:
         print(f"  ⚠️  Orion-LD PATCH failed: {e2}")
         return False
-    except Exception as e:
-        print(f"  ⚠️  Orion-LD → {e}")
-        return False
 
 def publish_bunkerm(sid: str, sensor: dict, values: dict) -> bool:
     """Publie sur BunkerM via HTTP API (port 2000) avec session."""