Sync Protocol (UUIDs), HiRAG Foundation & CI Fixes#29
Conversation
- **Sync & Privacy**:
- Added `cryptography` package for AES-GCM encryption.
- Implemented `SyncManager` with `exportEncryptedSnapshot` and `importEncryptedSnapshot`.
- Updated `MemoryNode` and `MemoryEdge` schemas to include:
- `uuid` (Globally Unique Identifier, indexed).
- `modifiedAt` (Last modification timestamp for LWW).
- `version`, `deviceId`, `isDeleted`.
- Fixed critical sync flaw by using `uuid` for matching records across devices instead of local `id`.
- Added `EncryptionService` unit tests and `SyncManager` integration tests.
- **HiRAG (Hierarchical RAG)**:
- Added `layer` field to `MemoryNode` to support hierarchical knowledge.
- Created `HierarchicalMemoryGraph` extension with `createSummaryNode` and `getNodesByLayer`.
- **Build & Dependencies**:
- Resolved complex dependency conflicts between `isar_generator`, `objectbox_generator`, and `json_serializable` by using a two-phase build process and manual `source_gen` overrides where necessary.
- Fixed `isar_agent_memory_tests` CI configuration by adding missing `isar_flutter_libs` dependency.
- **Documentation**:
- Updated README with "Sync & Privacy (Beta)" guide and HiRAG roadmap status.
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This PR implements the "Sync & Privacy" feature requested in the roadmap and fixes CI issues.
Key Changes
Sync Protocol (LWW + UUIDs):
SyncManagerthat handles exporting/importing encrypted snapshots.package:cryptography.modifiedAttimestamps.uuidtoMemoryNodeandMemoryEdgeto ensure correct merging across devices (fixing the potential data corruption issue of using local IDs).HiRAG Foundation:
layerproperty to nodes.HierarchicalMemoryGraphextension to allow creating summary nodes (Child -> Summary relation).Dependency Hell Resolution:
isar_generator(requires oldsource_gen) and modernobjectbox_generator/json_serializable.CI & Testing:
isar_agent_memory_testsfailing to findisar.dllby ensuringisar_flutter_libsis present.Verification
dart testpassed for encryption service.flutter testpassed for sync integration (export -> clear -> import -> verify).isarandobjectboxgenerated files are present and correct.PR created automatically by Jules for task 6694733581578485995 started by @iberi22