Shared EDIFACT primitive types.

This crate defines the core data structures used across the EDIFACT parser and automapper pipeline. It has zero external dependencies.

Types

• [EdifactDelimiters] — the six delimiter characters
• [SegmentPosition] — byte offset and segment/message numbering
• [RawSegment] — zero-copy parsed segment borrowing from the input buffer
• [Control] — handler flow control (Continue / Stop)