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Author SHA1 Message Date
Lotus CIandClaude Opus 5.5 0746e80941 feat(widgets): keep a widget on screen while you navigate away (#205)
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MSC2931: a widget with m.always_on_screen (auto-granted) can send
set_always_on_screen; the host now answers it, and a widget that asked
keeps running in a small floating window (title, Back to room, close)
when the Widgets panel closes or you switch rooms. Back to room returns
to it with the panel open on that widget, without reloading it.

Moving an iframe reloads it, so widget frames now live in an app-level
layer from the start (widgetSessions.ts) and are positioned over the
panel's placeholder while docked. A widget that did not ask is torn
down as before. One floating widget at a time; it also goes when the
widget withdraws, is removed from the room, or on logout. A permission
request while floating grants nothing extra.

Refs #205

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5
2026-10-20 21:05:31 -04:00
jaredandClaude Opus 4.8 43f4ceb45d feat(rooms): Room Widgets (MSC1236 im.vector.modular.widgets)
Phase C.1 of the protocol-gaps roadmap, gate-green (693 tests). Generalizes the
Element Call widget host into a general room-widget feature:
- StateEvent.Widget + widgetsPanelAtom + useRoomWidgets (WidgetParser).
- RoomWidgetView: sandboxed-iframe host via ClientWidgetApi with a conservative
  GeneralWidgetDriver (approves only benign display caps — no room-event
  send/read/to-device). Blocks same-origin widget URLs (sandbox breakout guard).
- WidgetsPanel: list / open / add / remove, PL-gated on im.vector.modular.widgets,
  https + non-same-origin URL validation. Mounted like the media gallery (header
  toggle + 3-way content-panel exclusivity + mobile full-screen overlay).
- Tested URL/capability/id helpers.

Requires the prod CSP frame-src widening (matrix repo) for external widgets.
v1 cuts (capability consent prompt, Jitsi/sticker types, user widgets) noted.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-03 13:27:23 -04:00