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Author SHA1 Message Date
shadowdaoandClaude Opus 5 f7db4323be Make the drop gate a state question, not a geometry one
The gate that decides whether a native file drop is accepted has been wrong
twice in opposite directions, both times because it tried to be precise about
*which points* a dialog covers:

- Round 1 asked `el.contains(elementFromPoint(x, y))` and was handed the inner
  xterm host while the overlays are siblings, so the always-rendered
  Following/Paused button made the terminal's top-right corner permanently
  refuse drops.
- Round 2 replaced that with "is a blocking overlay painted here?" and deleted
  the document-wide gate. `elementFromPoint` returns the *topmost* element, and
  ToastHost is z-[60] against the Modal backdrop's z-50 in the same stacking
  context — so a refused drop pushed a toast, the toast covered the dialog, and
  the next drop released on it was reported clear and landed in the directory
  the dialog was covering. The gate armed its own hole.

Split the two questions instead of merging them:

- Geometry answers *whose* drop it is (rect hit test, unchanged), so exactly
  one listener speaks for a drop and a hidden pane's zero-size rect still keeps
  TerminalView and FilesTab from both firing.
- `dropIsBlocked` answers whether the app should take a drop at all —
  document-wide, no z-index in it. While a modal or blocking overlay is on
  screen anywhere, every drop is refused.

There is no `elementFromPoint` call left, so no future overlay can become a
drop hole by being painted high enough and no chrome can become a dead zone by
being painted at all. The cost is over-refusal while a dialog is open, in a
state the user entered deliberately, announced, writing nothing.

Also:
- `[aria-hidden="true"]` no longer disqualifies a blocker. It is not a
  visibility statement (it sits on visible decorative content), so a blocker
  nested in such a wrapper would have silently stopped blocking.
- Modal drops `data-blocks-drop` when its pane hides, and moves focus out of
  itself rather than leaving it inside a `display:none` panel.
- The refusal notice stays `kind: "info"` (an expected refusal is not an
  error, and an error card never auto-dismisses) and carries a `dedupeKey`, so
  repeated refusals replace rather than stack.

Tests: mutation-checked against the previous implementation — four in
dropTarget.test.ts, two in each of TerminalView/FilesTab, two in Modal.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GBq2rGum6GX7xXgsas1fDc
2026-08-23 15:31:13 -07:00
shadow-testandClaude Opus 5 d73096c937 Reorder tabs by dragging, and pop the browser view into its own window
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Two things the UI couldn't do: rearrange the tab strip, and watch the
browser while working somewhere else.

**Drag to reorder.** `moveTab`/`moveActiveTab` on the store, HTML5 drag on
the strip with a marker showing where the drop lands, `Ctrl+Shift+←/→` for
the same thing without a mouse. Reordering deliberately does not select
what it moves, so a drag aimed at a background tab doesn't yank the main
area away from a terminal mid-run. A tab being renamed is not draggable —
a draggable ancestor swallows the mouse-drag that selects text in its
input.

**Pop the browser view out.** `browser_view/popout.rs` opens the view's
existing token-bearing loopback URL as a second OS window, with a
"Keep on top" toggle so it can float above the app. Window-only: the
viewer, the proxy and the container are untouched, so popping out and
back interrupts nothing.

Three things it rests on:

- No capability lists that window, so it has no IPC surface — right for a
  page served out of a container, and it must stay that way.
- The app CSP is irrelevant to it: `frame-src` constrains what the app's
  document may *embed*, and this is a top-level document. The port range
  and the token gate are what actually protect it, unchanged.
- The window is owned by the session, so the supervisor's teardown closes
  it. A window onto a viewer that no longer exists is worse than none.

The pane drops its iframe while popped out — two viewers can both *drive*
the browser, and two cursors on one page is not a feature.

`lib.rs`'s `on_window_event` is now guarded on `label() == "main"`. It
fires for every window and its body stops every container and exits, so
without the guard closing a pop-out would quit the app.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-11 06:50:40 -07:00