Module frame 

Wire frame format and message-type discriminants.

Additional opcodes beyond what the module-level doc in mod.rs lists:

• 0xA2 VectorInsert (client → server)
• 0xA3 VectorInsertAck (server → client)
• 0xA4 VectorDelete (client → server)
• 0xA5 VectorDeleteAck (server → client)
• 0xA6 FtsIndex (client → server)
• 0xA7 FtsIndexAck (server → client)
• 0xA8 FtsDelete (client → server)
• 0xA9 FtsDeleteAck (server → client)
• 0xAA SpatialInsert (client → server)
• 0xAB SpatialInsertAck (server → client)
• 0xAC SpatialDelete (client → server)
• 0xAD SpatialDeleteAck (server → client)

Structs

SyncFrame

Wire frame: wraps a message type + serialized body.

Enums

SyncMessageType

Sync message type identifiers.