fix: resolve ArkTS compilation errors
- GraphDatabase.ets:
- Export TimeRangeParams interface
- Add graph(), snapshot(), queryArchived() methods
- Add SnapshotData interface
- Add NameCacheEntry interface, remove duplicates
- Fix Context import to use named import from @ohos.abilityAccessCtrl
- GraphMemoryService.ets:
- Import TimeRangeParams from GraphDatabase
- Import RecordResult from GraphDatabase
- Add graph(), snapshot(), queryArchived() delegate methods
- Add timeRange optional param to MemoryRecallParams
- AIAgentService.ets:
- Fix Context import: named import from @ohos.abilityAccessCtrl
- Import TimeRangeParams from GraphDatabase instead of GraphMemoryService
- Add dryRun, keyword, attribute to ToolPropertiesDefinition
- Index.ets:
- Fix displayCallback type to Callback<number>
- Add display import