[app-bug] Dashboard sidebar doesn't collapse on mobile (sub-768px layout breaks)

[Gbangbolaoluwagbemiga]

Problem

The dashboard's WorkspaceSidebar is rendered as a permanent flex column. Below 768px viewport width it eats most of the horizontal space and pushes the findings list and call graph off-screen.

Reproduction

1. Open http://localhost:3000/dashboard with a loaded workspace
2. Resize the window below ~768px (or use Chrome DevTools mobile preset)
3. Observe: sidebar takes ~50% of the width; findings list compresses to a couple of words per line; call graph spills horizontally

Acceptance Criteria

• At <md breakpoint, sidebar collapses to a slide-out sheet triggered by a hamburger in the dashboard header
• Findings list, summary chart, and call graph all reflow correctly on mobile
• Storybook stories for WorkspaceSidebar at mobile + desktop breakpoints
• Playwright spec at the iPhone preset

Pointers

• frontend/app/components/WorkspaceSidebar.tsx
• frontend/app/dashboard/layout.tsx

Difficulty

Medium. Layout reflow + state for the open sheet.

[smartalee]

@smartalee has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Can I work on this issue pls

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[Uchechukwu-Ekezie]

@Uchechukwu-Ekezie has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Please assign this issue to me

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Congratulations, @Uchechukwu-Ekezie! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

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[drips-wave]

This issue has been completed by @Uchechukwu-Ekezie as part of the Stellar Wave Program's 5th Wave 🥳

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