- Tone keys (f,s,r,x,j) now only apply when composition has a vowel
- Without a vowel, they fall through to normal character append
- Fixes 'r' disappearing in words like 'trời', 'trâm', 'trảm'
- Added test_telex_r_as_normal_char covering 4 scenarios
- Also: 15ms delay between clipboard paste and trailing uinput chars
- Fix Xutf8LookupString signature (missing XIC param caused all keys to map to \0)
- Port bamboo-core Vietnamese engine to Rust (bamboo.rs, input_method.rs)
- Flexible backtracking for mark/tone keys (scan up to 5 chars back)
- Correct tone placement for io, uâ, yê clusters
- Evdev capture preferred over X11 XRecord (more reliable)
- Uinput injection with correct Linux keycodes
- Vietnamese Unicode via clipboard paste + trailing ASCII via uinput
- Persistent X11 connection for Ctrl+V (no per-call dlopen overhead)
- Consume stale VNI/Telex control keys when no match found
- Fix execute_commands backspace count for evdev grabbing path
- Add vietc-uinputd privileged injection daemon
- AppImage: bundle uinputd, preserve LD_LIBRARY_PATH, fix xrecord build flags
- Remove old generated test files, add 63 focused engine tests
- Fix tone placement for uâ, uê, uơ → tone on second vowel (e.g. tuấn, thuế, phương)
- Limit flexible backward scan to 3 chars to prevent cross-syllable modification
- Set grab = true as default config
- Add 9 new engine tests for tone placement and backtrack limit
