gsxdsm 51e389199a FN-7634: widen Planner Chat stop button to match send button ...

Fix the Planner Chat composer's streaming Stop button rendering narrower than the idle Send button by giving both variants a shared width floor.

- Declare a locally-scoped --chat-input-control-size on .task-planner-chat-composer (same formula as ChatView.css's .chat-input-row so the shared .chat-input-send/.chat-input-stop classes no longer read an undefined custom property and fall back to width: auto.
- Add a min-inline-size floor bound to that property on .task-planner-chat-send (present on both send and stop variants) so neither button renders narrower than the other on desktop.
- Add a regression test asserting the desktop control-size floor, the pre-existing mobile square sizing, and the FN-7594 stop-icon visibility contract.
- Add a changeset documenting the fix as a patch release.

Files changed:
 .changeset/fn-7634-planner-stop-button-width.md    |  7 +++++
 .../app/components/TaskPlannerChatTab.css          |  8 ++++++
 .../__tests__/TaskPlannerChatTab.test.tsx          | 33 ++++++++++++++++++++++
 3 files changed, 48 insertions(+)
EOF
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Fusion-Task-Id: FN-7634

Fusion-Task-Lineage: e73c836f-3c2d-4871-ac93-fdf5e52de5f6

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

2026-07-07 22:04:54 -07:00

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