feat: remember last selected camera for barcode scanning

[Sim-sat]

Description

Saves the selected camera in localstorage just like the scanner engine. This improves usage on smartphones with multiple cameras.

Related Issue

PR type [ ] Issue [ ] New Feature [x] Documentation
Linked Issue: #786

Checklist

Please check all that apply:

• [MANDATORY for new feature] Alignment: I have raised a GitHub issue and it was reviewed/approved by maintainers
• Tests: I have included automated tests for my changes.
• [MANDATORY for UI changes] Screenshots: I have attached "Before" vs "After" screenshots below.
• [MANDATORY for Frontend changes] Quality: I have run pnpm run validate (especially for Frontend).
• Translations: I have only updated the English (en) translation file (if applicable).
• Architecture: My code follows the existing architecture standards.
• Database Security: I have updated rls_policies.sql for any new user-specific tables.
• [MANDATORY - ALL] Integrity & License: I certify this is my own work, free of malicious code(phishing, malware, etc.) and I agree to the License terms.

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the barcode scanning feature by implementing persistence for the user's camera selection. By saving the last chosen camera ID to local storage, the application improves usability, especially for users with multiple cameras on their smartphones, as it eliminates the need to re-select the preferred camera on subsequent uses.

Highlights

• Camera selection persistence: The selectedCameraId state is now initialized by attempting to retrieve the last selected camera ID from localStorage, ensuring that the user's preference is remembered across sessions.
• Camera change handler: A new handleCameraChange function was introduced to manage camera selection. This function updates the component's state and persists the chosen camera ID to localStorage for future use, including error handling for localStorage operations.
• UI integration: The camera selection dropdown (Select component) was updated to utilize the new handleCameraChange function, ensuring that user selections are properly saved and reflected.

Changelog

• SparkyFitnessFrontend/src/components/FoodSearch/BarcodeScanner.tsx
  • Initialized selectedCameraId state from localStorage to remember the last selected camera.
  • Added handleCameraChange function to update the selected camera ID and save it to localStorage.
  • Updated the camera Select component to use the new handleCameraChange function for persisting selections.

Activity

• No activity (comments, reviews, etc.) was provided in the context for this pull request.

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[gemini-code-assist]

Code Review

This pull request adds functionality to remember the last selected camera for barcode scanning by saving it to localStorage. The implementation correctly follows the existing pattern for persisting other settings like the scanner engine. However, this has introduced more code duplication for handling localStorage. My review includes a suggestion to refactor this logic into a reusable useLocalStorage custom hook to improve code maintainability and consistency.