Use public logo URL to avoid binary diff and harden auth loading state

[fuzziecoder]

Motivation

• Avoid including a binary image in the PR while keeping logo resolution robust for non-root deployments.
• Prevent the auth hook from remaining stuck in loading if Supabase session retrieval hangs or emits stale updates.

Description

• Replaced the bundled binary-based logo approach with a public URL export by adding src/lib/assets.ts that exports logoUrl = ${import.meta.env.BASE_URL}logo.jpg`` and removed src/assets/logo.jpg so the PR contains no binary diffs.
• Updated UI to import and use logoUrl instead of "/logo.jpg" in Login, Signup, Sidebar and FlexibleAI so the logo remains centralized and works under arbitrary base paths.
• Improved useAuth in src/hooks/useAuth.ts by adding an isMounted guard, a 5s fallback loadingTimeout, explicit .catch/.finally handling for getSession(), and cleanup logic that clears the timeout and unsubscribes the Supabase subscription on unmount so loading always resolves and no stale state updates occur.

Testing

• Ran the production build with npm run build (which runs tsc -b && vite build) and the build completed successfully.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
flexi-roaster	Ready	Preview, Comment	Feb 24, 2026 3:20pm

[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 4 additional findings.