* Improved thread safety and async processing in dump processor components
* Removed unused _processedDumps field and simplified variable scope in QueuePipeline
The changes include:
- Replaced Newtonsoft.Json with System.Text.Json for serialization
- Removed redundant JsonProperty attributes and simplified model classes
- Converted static fields to constants where appropriate
- Improved code formatting and readability
- Simplified method bodies and expressions
- Removed unused imports and cleaned up namespaces