- use unified response codes for measurement recommend handler
- reject recommend inputs with continuous dots as invalid params
- fix exact and continuation match offsets for recommend results
- preserve correct offsets for fallback recommend scenarios
- use hash-based confirmation for measurement token7 recommendations
- write component and bay token7 hash indexes for HEXISTS validation
- add tests for input validation, hash keys, and recommend offset cases
- add util.TypedMap, a generic wrapper over sync.Map to drop call-site type assertions
- add generic util.MapSlice and reuse it in ConvertZSetMembersToFloat64
- make GetKeysFromSet/SliceToSet/RemoveTargetsFromSliceSimple/DeduplicateAndReportDuplicates generic
- migrate graphOverview to util.TypedMap[int64, *Graph]
- build redis suggestions via util.MapSlice in measurement group recommend