Open Sourcing Grant of a Validator Indexer (PQS) #67 Mileston 2: PQS enhancements Part I

Milestones and Deliverables

| Milestone | Estimated Delivery | Deliverables / Value Metrics | |:---------:|:------------------:|:----------------------------:| | M2: PQS enhancements Part I | 3 months after M1 | Zero-Downtime New DAR Ingestion<br>Orphaned Package Decoding<br>Single-Writer Concurrency Control |

_Originally posted by @pedrodneves in https://github.com/canton-foundation/canton-dev-fund/issues/67#issuecomment-4306267513_