refactor(editor): extract editor + display into host-testable crates

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Move the editor core out of the firmware crate (pinned to the xtensa
target, so it can't run `cargo test`) into a standalone `editor` crate,
with the panel framebuffer + geometry split into a `display` crate. Both
depend only on embedded-graphics + keymap, so the editor is now
host-buildable and unit-tested (8 characterization tests). Firmware links
them and re-exports the geometry from epd.rs; behaviour is unchanged.

The xtensa firmware build was not verified in this environment.

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This commit is contained in:

Julien Calixte

2026-07-11 00:28:37 +02:00

parent 875658a661

commit e8063a2b13

7 changed files with 189 additions and 65 deletions

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