refactor: restructure mobile nav to use Sheet subcomponents

[michellepace]

Summary

• Adopt SheetHeader/SheetFooter in mobile nav to mirror sidebar's layout pattern
• Fix useIsMobile hydration mismatch by defaulting to false
• Minor UI tweaks: nav-link padding, star icon viewBox, auth button text size

Test plan

• Pre-push hooks passed (build + Playwright E2E tests)
• Verify mobile nav opens/closes correctly
• Check auth buttons and user avatar display properly
• Confirm no hydration warnings in console

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Project	Deployment	Review	Updated (UTC)
devflow	Ready	Preview, Comment	Dec 25, 2025 9:44pm

[coderabbitai]

Summary by CodeRabbit

• Bug Fixes

  • Resolved mobile rendering inconsistencies affecting page load stability.

• Style

  • Refined mobile navigation spacing adjustments and button padding.

• Refactor

  • Restructured mobile navigation header with repositioned close button and logo placement.
  • Consolidated user authentication controls into a dedicated footer section within the mobile menu.
  • Updated styling for navigation link buttons.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

Walkthrough

This pull request refactors the mobile navigation layout by reorganising Sheet component structure, relocating authentication controls into a dedicated footer, adjusting navigation spacing, and fixing a hydration mismatch in the mobile detection hook by establishing consistent initial state.

Changes

Cohort / File(s)	Summary
Mobile Navigation Restructuring components/navigation/mobile-nav.tsx	Replaces SheetDescription with SheetHeader and SheetFooter; moves Logo into SheetHeader wrapped in SheetClose; consolidates authentication controls (UserButton, SignInButton, SignUpButton) into SheetFooter; adjusts navigation padding and adds appearance customisation to UserButton.
Navigation Link Styling components/navigation/nav-link.tsx	Simplifies component comment; reduces button horizontal padding from px-4 to px-3.
Mobile Detection Hydration Fix hooks/use-mobile.ts	Corrects initial state from undefined to false and simplifies return value from !!isMobile to isMobile to prevent server/client hydration mismatch.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• PR #18: Directly modifies the same navigation files and hooks (mobile-nav.tsx, nav-link.tsx, use-mobile.ts) with related import and layout adjustments.
• PR #15: Updates mobile-nav.tsx with Sheet component restructuring (SheetDescription replacement, logo relocation, sheet import/export modifications).

Poem

🐰 A hop through the sheets, we dance and we glide,
Logo finds home where the headers reside,
Auth buttons nestle in footers below,
Hydration fixed smooth—no mismatches to show! ✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main structural change in the pull request - refactoring the mobile navigation to use Sheet subcomponents (SheetHeader and SheetFooter).
Description check	✅ Passed	The description is directly related to the changeset, covering the primary restructuring of mobile nav components, the hydration fix, and UI adjustments that align with the actual code changes.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch refactor/mobile-nav-cleanup

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📜 Recent review details

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4d05526 and ba675c0.

⛔ Files ignored due to path filters (1)

• public/icons/star.svg is excluded by !**/*.svg

📒 Files selected for processing (3)

• components/navigation/mobile-nav.tsx
• components/navigation/nav-link.tsx
• hooks/use-mobile.ts

🧰 Additional context used

📓 Path-based instructions (1)

**/*.{tsx,ts,jsx,js}

📄 CodeRabbit inference engine (CLAUDE.md)

Always use @/ import aliases, even for sibling imports (e.g., @/app/fonts not ./fonts)

Files:

• hooks/use-mobile.ts
• components/navigation/nav-link.tsx
• components/navigation/mobile-nav.tsx

🧠 Learnings (4)

📚 Learning: 2025-12-10T20:20:46.607Z

Learnt from: michellepace
Repo: michellepace/devflow PR: 7
File: components/navigation/navbar/index.tsx:1-12
Timestamp: 2025-12-10T20:20:46.607Z
Learning: Clerk's Next.js components (SignedIn, SignedOut, SignInButton, SignUpButton, UserButton) from clerk/nextjs can be used inside Server Components without adding 'use client' in the consuming component. They manage client/server boundary internally. When reviewing code, prefer omitting 'use client' in server components that render these Clerk components and avoid introducing client directives solely for these components. This guideline helps maintain server/server boundary and reduce client bundle size.

Applied to files:

• components/navigation/nav-link.tsx
• components/navigation/mobile-nav.tsx

📚 Learning: 2025-12-25T13:56:02.914Z

Learnt from: michellepace
Repo: michellepace/devflow PR: 18
File: components/navigation/content-top-bar.tsx:23-30
Timestamp: 2025-12-25T13:56:02.914Z
Learning: In a Grok-style layout, move authenticated user controls (Clerk's UserButton) out of the top navigation and into the sidebar footer (e.g., components/app-sidebar.tsx). Ensure components/navigation/content-top-bar.tsx only renders SignedOut options (Sign in/Sign up). Apply this guideline to all TSX files under components/navigation to enforce consistent placement of authentication UI across the navigation layer.

Applied to files:

• components/navigation/nav-link.tsx
• components/navigation/mobile-nav.tsx

📚 Learning: 2025-12-25T16:12:32.739Z

Learnt from: CR
Repo: michellepace/devflow PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-25T16:12:32.739Z
Learning: Applies to components/auth/clerk-signin.tsx : Create Sign In component at components/auth/clerk-signin.tsx as a client component with theme-aware logo

Applied to files:

• components/navigation/mobile-nav.tsx

📚 Learning: 2025-12-25T16:12:32.739Z

Learnt from: CR
Repo: michellepace/devflow PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-25T16:12:32.739Z
Learning: Applies to components/auth/clerk-signup.tsx : Create Sign Up component at components/auth/clerk-signup.tsx as a static logo component

Applied to files:

• components/navigation/mobile-nav.tsx

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: Run E2E Tests

🔇 Additional comments (6)

components/navigation/nav-link.tsx (1)

20-20: LGTM: Clean cosmetic improvements.

The simplified comment and reduced padding (px-4 → px-3) both support the tighter, cleaner mobile navigation layout described in the PR objectives.

Also applies to: 30-30

hooks/use-mobile.ts (1)

6-7: LGTM: Correct hydration mismatch fix.

Setting the initial state to false ensures the server-rendered HTML matches the client's first render, preventing React hydration warnings. The useEffect will update the value correctly after mount. This is the standard pattern for responsive hooks in Next.js.

Also applies to: 19-19

components/navigation/mobile-nav.tsx (4)

21-22: LGTM: Clean structural imports and clarified modal behaviour.

The addition of SheetFooter and SheetHeader supports the semantic restructuring, and the updated comment accurately explains why modal={false} is necessary for Clerk popup compatibility.

Also applies to: 35-36

---

65-72: LGTM: Proper use of SheetHeader for semantic structure.

Wrapping the logo in SheetHeader with a screen-reader-only title improves accessibility and creates a clear header section. The SheetClose wrapper on the logo link provides intuitive navigation behaviour.

---

74-74: LGTM: Spacing adjustments align with tighter layout.

The pt-5 and gap-3 provide appropriate spacing between the header and navigation links, complementing the reduced padding in NavLink components.

---

86-118: LGTM: Excellent auth control consolidation in SheetFooter.

The restructure successfully consolidates authentication controls into a dedicated footer section:

• UserButton with size-10 avatar increases visibility (per PR objectives)
• text-base on auth buttons improves readability
• onClick handlers ensure the sheet closes after auth actions
• Semantic SheetFooter usage improves maintainability

The layout aligns with the learnings about placing authenticated user controls in footer-like positions.

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