Note

Add ASM-aware clustering: cache local slot ranges, filter results during migrations, propagate schemas/dictionaries, and subscribe to new cluster migration events; plus CI tweaks and minor fixes.

• Cluster/ASM handling:
  • Add slot_ranges module to cache local slot ranges and check access via Slots_CanAccessKeysInSlot.
  • Filter search results by local slots in RPQueryIterator during ASM (should_filter_slots).
  • Subscribe to ClusterSlotMigration and ClusterSlotMigrationTrim events; manage worker threads and toggle slot filtering.
  • Propagate index schemas (Indexes_Propagate via _FT._RESTOREIFNX) and dictionaries (Dictionary_Propagate via _FT.DICTADD) during migration.
  • Drop cached local slots on topology updates and ASM completion.
• Pipeline/Requests:
  • Pass slot ranges through AREQ → QueryPipelineParams → RPQueryIterator; manage ownership and lifetimes.
  • Adjust Pipeline_BuildQueryPart signature to accept non-const params.
• Dictionary:
  • Simplify Dictionary_Add API; add Dictionary_Size, dump tweaks, and cluster propagation support.
• Notifications:
  • Handle new key_trimmed events; initialize keyspace notifications after spec deserialize.
• Workers:
  • Allow nested events with counter; workersThreadPool_OnEventEnd now returns status; improved logging.
• Coordinator/Topology:
  • Drop cached local slots on topology refresh; minor log format fix.
• CI:
  • Temporarily pin Redis tag to unstable in PR/merge workflows.
• Tests/Mocks:
  • Add cluster propagation and slot-range tests; extend redismock with cluster APIs; add ASM pytests.

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