* Update mousekey parameters in userspace
* Disable GRAVE_ESC in boards where it isn't used
* Tweak MODERN_DOLCH_RED and reset RGB on Shift+Toggle in KBD6X
* Disable RGB controls when Fn/Caps indicator lights are on
* Use LTO_ENABLE instead of setting -flto directly
* Add led_update_keymap, use SS_LCTL instead of SS_LCTRL
* Change TAPPING_TOGGLE from 2 to 3
* Align bottom row in KBD6X keymap to match LAYOUT macro
* Remove TAP_HOLD_CAPS_DELAY override in userspace
* Change default USB polling rate to 1000 Hz
* Move media controls to nav cluster on Wasdat
* Add dz60:konstantin_b keymap
* Add missing void parameter declarations to *_light functions
* Add doro67/multi:konstantin keymap
* Allow FNLK to be canceled with Esc
* Function layer → Fn layer in keymap comments
* Enable Fn layer tap dances only if LAYER_FN is defined
* Update KBD6X keymap spacing to match LAYOUT spacing
* Add regular FNLK to userspace, update keymap comment labels
* Rename KC_BRK → BREAK, KC_SYSR → SYSRQ in userspace
* Change mousekey positions in KBD6X
* Disable Console in KBD6X to reduce firmware size
* Return false in process_record_* only when overriding existing keys
* Fix Caps light not working after LSFT_FN
* Refactor Fn/Caps light, fix sequencing issues
