François c2b1f4c4ae Extract duplicate into core; support it in the script engine + wx GUI ...

A script using `duplicate` failed with "unsupported command 'duplicate'"
because the clone logic was still inline in the tui command. Extract it to
core/app/edit.hpp::duplicate_module(System*, src, dst) -> {ok, error, parts,
signals}: a deep clone of a module (parts, pins with spec + nc_origin, signals
with type overrides, pin→signal wiring; no connections), refusing on an unknown
source or an already-taken destination name.

  - the tui `duplicate` command renders the result (output unchanged);
  - the script engine dispatches `duplicate` to it — the failing script now runs;
  - the wx GUI gains Edit ▸ Duplicate module… (PickModule + a name prompt).

tests/test_edit.cpp: deep clone wires to the clone's own signal (not the
source's) and preserves the type; unknown source / existing destination
refused. 412 core assertions green; tui + wx build clean.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-03 22:04:45 +02:00

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