- parser.py: classify a line into control / function-call / raw payload;
parse loose hex/binary with intermixed 0x/0b tokens (whitespace-
insensitive, defaulting to the session entry mode)
- entry.py: byte_space() byte-group formatting + key bindings — Ctrl-/
toggles hex/binary entry mode (breadcrumb updates), digits auto-space
into byte groups as you type
- app.py: dispatch() drives the loop via parse_line (testable without a
live prompt); identify/call are stubbed for Phases 3/4
14 new tests (parser tokens/intermix/errors, byte_space, dispatch).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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