Added express body parser configuration to support base64 image uploads:
- Set JSON payload limit to 10MB (up from default 100kb)
- Set URL-encoded payload limit to 10MB
- This allows users to upload profile photos and child photos via base64 encoding
Without this fix, uploading photos would result in 500 Internal Server Error due to payload too large.
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Co-Authored-By: Claude <noreply@anthropic.com>