Follow-up to #36 — make the whole interaction surface reach cross-origin OOPIFs
and stop coordinate events drifting onto the user's foreground tab over the relay.
- hover/dblclick/drag now DOM-dispatch over the relay or into an iframe (like
click already did): a coordinate Input event isn't confined to the target tab
on a busy real Chrome and can't map an OOPIF element's box to a top-viewport
point. drag does an HTML5 DnD in the element's frame; cross-frame drag errors
loudly instead of drifting.
- snapshot recurses iframes to MAX_IFRAME_DEPTH (3) instead of one level, so refs
inside nested payment/checkout widgets get a frame_id and resolve into the
right frame.
- relay tab adoption merges several Target.getTargets snapshots — a single flaky
relay snapshot was dropping live tabs (a driven tab vanished after restart).
- `type --key-events` (alias --keys) sends real per-character keyDown/keyUp
instead of Input.insertText, so autocomplete/combobox widgets that ignore the
insertText input event fire (Google address postal lookup; commits Angular
reactive forms so Save enables).
- SKILL: hard "snapshot-first, never default to screenshot+coordinates" rule;
snapshot -i pierces cross-origin iframes since v1.5.12; cross-origin iframe
driving guidance (#37).
leeguooooo
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