[FEATURE] Missing scenario coverage for several important Helix Normal Mode commands

[bug-ops]

Summary

Keymap coverage audit found several important Helix Normal Mode commands with zero scenario coverage. These are core commands users need to learn to become proficient with Helix.

Missing Commands (0 scenario files)

Scrolling / Navigation

Command	Action	Helix docs
Ctrl-d	Scroll half page down	keymap#movement
Ctrl-u	Scroll half page up	keymap#movement
Ctrl-f	Scroll page down	keymap#movement
Ctrl-b	Scroll page up	keymap#movement

Selection operations

Command	Action	Helix docs
%	Select entire file	keymap#selection-manipulation
s	Select all regex matches within selection	keymap#selection-manipulation
S	Split selection on regex	keymap#selection-manipulation
R	Replace selection with yanked text (no clipboard)	keymap#changes

View mode

Command	Action	Helix docs
zz	Center view on cursor	keymap#view-mode
zt	Align view top	keymap#view-mode
zb	Align view bottom	keymap#view-mode

Macros

Command	Action	Helix docs
q	Start/stop macro recording	keymap#macros
Q	Replay macro	keymap#macros

Line selection

Command	Action
V (via x or X)	Extend line selection
G	Go to last line

Currently covered (for reference)

; (3 files), , (1 file) are covered. Most movement, basic editing, text-objects covered.

Suggested file structure

• scenarios/en/movement/scroll.toml — Ctrl-d, Ctrl-u, Ctrl-f, Ctrl-b
• scenarios/en/selection/select-regex.toml — %, s, S
• scenarios/en/view/view-mode.toml — zz, zt, zb
• scenarios/en/advanced/macros.toml — q, Q

References

• https://docs.helix-editor.com/keymap.html