FN-6767: make agents sidebar resizable
Make the Agents split view wider by default and persist user-adjusted sidebar widths.
- Add a desktop/tablet resize handle with pointer and keyboard controls, clamped accessible values, and per-project storage.\n- Update split-layout CSS so mobile remains stacked while non-mobile views reserve a resize affordance column.\n- Cover default, stored, clamped, pointer, keyboard, mobile, and org-chart sidebar behaviors in tests.\n- Add a patch changeset for the published Fusion package.\n\nFiles changed:\n .changeset/fn-6767-agents-sidebar.md | 5 +\n packages/dashboard/app/components/AgentsView.css | 47 ++++++--\n packages/dashboard/app/components/AgentsView.tsx | 101 +++++++++++++++-\n .../app/components/__tests__/AgentsView.test.tsx | 132 +++++++++++++++++++++\n .../app/utils/__tests__/projectStorage.test.ts | 3 +-\n packages/dashboard/app/utils/projectStorage.ts | 1 +\n 6 files changed, 280 insertions(+), 9 deletions(-)
Fusion-Task-Id: FN-6767
Fusion-Task-Lineage: 93605e16-7524-4577-bbcd-666c105a867b
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