Sophia Dictionary Format for the Unheaded Protocol

The Sophia Dictionary Format defines the serialization, storage, and distribution mechanism for semantic metadata that accompanies the Unheaded Protocol. Sophia dictionaries are exponent-decoding tables that translate compact byte values (0x00-0xFF) into meaningful human- readable categories (service identifiers, QoS classes, flow actions, etc.) and their associated metadata. This memo specifies the CBOR serialization format for dictionary entries, the BPF map representation for in-kernel storage, the atomic update protocol for cluster-wide distribution via the Wotan memory bus, and the minimum required dictionary entries for any conformant Unheaded deployment. Draft-03 introduces sub-dictionary type systems for hierarchical knowledge representation and QPACK compression headers for efficient dictionary entry encoding over the wire. Sophia dictionaries support atomic replacement: updates propagate to all nodes in under 10 milliseconds without packet loss or service interruption.