feat: add support for multiple camera lenses on iOS

[devin-ai-integration]

Add support for multiple camera lenses on iOS devices. This adds the ability to list available lenses, switch between them, and get information about the current lens.

Features

• List available camera lenses with their capabilities
• Switch between different lenses after camera is open
• Get information about current lens
• Maintains backward compatibility with position API

Example Usage

// List available lenses
const { lenses } = await CameraPreview.listLense();
console.log('Available lenses:', lenses);
// Example output: [{ uniqueId: "...", position: "back", type: "wide", maxZoom: 2, horizontalFov: 65.5 }, ...]

// Switch to a different lens
await CameraPreview.changeLense({ uniqueId: "lens_id_from_list" });

// Get current lens info
const { lens } = await CameraPreview.getCurrentLense();
console.log('Current lens:', lens);

Testing Instructions

1. Test listLense on devices with multiple lenses

   • Verify all available lenses are listed
   • Verify lens information is accurate (position, type, FOV)

2. Test changeLense with:

   • Valid lens IDs from listLense
   • Invalid lens IDs (should reject)
   • Different lens types (wide, telephoto, ultra-wide)

3. Test getCurrentLense:

   • Before and after lens changes
   • After camera stop/start

4. Verify existing functionality:

   • Position-based API still works ("front"/"rear")
   • All other camera operations work with different lenses

5. Verify Android behavior is unchanged

   • This change only affects iOS implementation

Notes

• Only affects iOS devices with multiple lenses
• Android implementation is unchanged
• Maintains backward compatibility with position API
• Requires iOS device with multiple lenses for full testing

Link to Devin run: https://app.devin.ai/sessions/118241707373429f83a1cf5fab0e3b73
Requested by: Martin

[devin-ai-integration]

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