- Add //! module-level headers and /// item-level docs to every source file
- Fix unresolved doc links in hal/mod.rs, ui/mod.rs, transport/pcsc.rs, transport/fido.rs
- Add #![deny(missing_docs)] at crate root to enforce doc completeness in CI
- Strip thinking-out-loud and notes-to-self comments from
device/fido/hid.rs, device/rescue/mod.rs, error.rs, ui/views/passkeys.rs
- Replace redundant let c_i = i binding with direct i usage (Copy type)
- Replace magic number 8 with LedColor::all().len() in config.rs