Fix Proxy Redirect Logic

[fine-ai]

Refactor proxy handling with Ultraviolet in server.js and update uv.config.js

- Updated `server.js` to properly handle proxy requests using Ultraviolet:
  1. Imported necessary Ultraviolet components.
  2. Initialized Ultraviolet middleware for proxy handling.
  3. Replaced the outdated '/service/*' route handler with proper Ultraviolet initialization and request handling.
  4. Updated URL encoding/decoding logic to use Ultraviolet's built-in methods.

- Updated `uv.config.js` to properly configure Ultraviolet:
  1. Exported the configuration object correctly instead of assuming a global object.
  2. Updated the prefix to match the service endpoint.
  3. Configured the bare server endpoint.
  4. Set up proper encoding/decoding methods for consistency.

These changes fix incorrect usage of Ultraviolet and ensure proper proxy functionality.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud