UTF-8 content codec module for reovim.

Provides UTF-8 encoding support for the content codec pipeline:

• BOM detection and stripping on decode, restoration on encode
• CRLF normalization to LF on decode, restoration on encode
• Round-trip fidelity: encode(decode(bytes)) == bytes

Architecture

reovim-driver-codec              (trait definitions + stores)
        ^
        |
reovim-module-codec-utf8         (THIS CRATE - UTF-8 implementation)

Self-Registration Pattern

During init(), this module registers:

• [Utf8CodecFactory] into [ContentCodecFactoryStore]
• [Utf8Classifier] into [ContentClassifierStore]