Enhance EspoCRM API and Webhook Handling

- Improved logging for file uploads in EspoCRMAPI to include upload parameters and error details.
- Updated cron job configurations for calendar sync and participant sync to trigger every 15 minutes on the first minute of the hour.
- Enhanced document create, delete, and update webhook handlers to determine and log the entity type.
- Refactored document sync event handler to include entity type in sync operations and logging.
- Added a new test script for uploading preview images to EspoCRM and verifying the upload process.
- Created a test script for document thumbnail generation, including document creation, file upload, webhook triggering, and preview verification.

steps/espocrm_webhooks/document_create_webhook_api_step.py

@@ -151,17 +151,27 @@ async def handler(request: ApiRequest, ctx: FlowContext[Any]) -> ApiResponse:
             )
         
         # Emit events für Queue-Processing (Deduplizierung erfolgt im Event-Handler via Lock)
+        # Versuche Entity-Type zu ermitteln
+        entity_type = 'CDokumente'  # Default für VMH
+        if isinstance(payload, list) and payload:
+            entity_type = payload[0].get('entityType') or payload[0].get('_scope') or 'CDokumente'
+        elif isinstance(payload, dict):
+            entity_type = payload.get('entityType') or payload.get('_scope') or 'CDokumente'
+        
+        ctx.logger.info(f"📝 Entity-Type: {entity_type}")
+        
         for entity_id in entity_ids:
             await ctx.enqueue({
                 'topic': 'vmh.document.create',
                 'data': {
                     'entity_id': entity_id,
+                    'entity_type': entity_type,
                     'action': 'create',
                     'source': 'webhook',
                     'timestamp': datetime.datetime.now().isoformat()
                 }
             })
-            ctx.logger.info(f"✅ Event emittiert: vmh.document.create für ID {entity_id}")
+            ctx.logger.info(f"✅ Event emittiert: vmh.document.create für ID {entity_id} (Type: {entity_type})")
         
         ctx.logger.info("\n" + "=" * 80)
         ctx.logger.info(f"✅ WEBHOOK VERARBEITUNG ABGESCHLOSSEN")