drive_preview type/press/submit silently failed on React controlled inputs,
contenteditable rich-text editors, and Enter-to-submit forms — the tool
reported success but the text never landed and no DOM events fired (#98048).
Three fixes in the injected type handler:
1. contenteditable: use document.execCommand('insertText', false, text)
instead of el.textContent = text. execCommand fires beforeinput/
insertText composition events that Lexical/ProseMirror/Draft editors
(DeepSeek, ChatZhipu, Kimi) subscribe to. Fallback to textContent
+ InputEvent for sandboxed pages where execCommand fails.
2. INPUT/TEXTAREA: replace new Event('input') with new InputEvent('input',
{data: text, inputType: 'insertText', bubbles: true}). React 16+
controlled-input trackers compare lastTrackedValue against the event's
.data property — a plain Event has no .data, so the value-change is
deduplicated.
3. submit: add keyCode: 13 and which: 13 to the KeyboardEvent init dict.
Modern React forms check both event.key AND event.keyCode for Enter;
constructed KeyboardEvents read keyCode as 0 (read-only), so the
event was silently swallowed.
Regression tests added in act-in-page.test.ts:
- contenteditable execCommand path
- InputEvent data property set correctly
- submit KeyboardEvent keyCode/which === 13
Fixes#98048
64878d4311