feat: send back raw request in extra fields

[Pratham-Mishra04]

Summary

This PR adds the ability to send back raw requests in API responses, complementing the existing raw response functionality. This feature helps with debugging and advanced use cases by providing visibility into the exact request payload sent to provider APIs.

Changes

• Added SendBackRawRequest field to provider configurations
• Modified provider implementations to capture and return raw request data
• Updated response handling to include raw requests in extra fields
• Added database migrations for storing raw requests in logs
• Enhanced UI to display raw requests in log details
• Added configuration options in the provider settings UI

Type of change

• Feature
• Bug fix
• Refactor
• Documentation
• Chore/CI

Affected areas

• Core (Go)
• Transports (HTTP)
• Providers/Integrations
• Plugins
• UI (Next.js)
• Docs

How to test

1. Enable the "Include Raw Request" option in a provider's settings
2. Make a request to that provider
3. Check the response for the raw_request field in extra_fields
4. View the request details in the logs UI to see the raw request

# Core/Transports
go version
go test ./...

# UI
cd ui
pnpm i
pnpm test
pnpm build

Screenshots/Recordings

N/A

Breaking changes

• Yes
• No

Related issues

N/A

Security considerations

Raw requests may contain sensitive information like API keys or user data. Users should be aware that enabling this feature will store this information in logs and return it in responses.

Checklist

• I added/updated tests where appropriate
• I updated documentation where needed
• I verified builds succeed (Go and UI)
• I verified the CI pipeline passes locally if applicable