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iu 6528abad82 fix(ui): correct horizontal drag direction in 360 panorama viewer

The panorama viewer inverted horizontal drag relative to vertical: the
yaw sign was opposite, so dragging right turned the view right instead
of moving the scene right. Flip yaw to match the pitch convention
(drag the world) and lock the behavior with a ui-workspace scenario.

2026-10-11 21:02:01 +03:00

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Proposal

Why

In the 360 panorama viewer the horizontal drag moves the view the wrong way: it is inverted relative to the vertical drag. The two axes use opposite sign conventions (PanoViewer.svelte, onPointerMove), so horizontal feels "swapped" while vertical feels correct.

What Changes

Align the horizontal drag with the vertical one: dragging right moves the scene right (the view turns left), matching the "drag the world" feel already provided by the vertical drag.
Clarify the ui-workspace panorama requirement with a scenario fixing the direction convention, so the behavior is testable and does not regress.

Capabilities

New Capabilities

Modified Capabilities

ui-workspace: the «Просмотр 360-панорамы» requirement gains a direction scenario — dragging moves the scene with the pointer on both axes.

Impact

Frontend: frontend/src/lib/components/PanoViewer.svelte (onPointerMove).
Spec: openspec/specs/ui-workspace/spec.md («Просмотр 360-панорамы»).

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