Module decode 

src/headers/decode.rs

Header decoding utilities.

Design notes:

• Deserializes a fixed 80‑byte buffer into a HeaderV1 struct.
• Field order must match encode.rs exactly for ABI stability.
• Validation is performed after decoding to reject malformed or incompatible streams.
• Treat header as authoritative source for strategy and chunk sizing.

Functions

decode_header_le

Deserialize an 80‑byte little‑endian header into HeaderV1.