* Replace compile-time directives with target platform conditions
Use Package.swift target platform conditions instead of compile-time #if directives for EventSource dependency. This leverages Swift Package Manager's native dependency support for platform-specific targets at runtime rather than compile-time.
* Update reference for EventSource package
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Mattt <mattt@me.com>
* Add package dependency for github.com/loopwork-ai/EventSource
* Use EventSource for SSE implementation
* Refactor response stream and content type handling
Co-authored-by: Stephen Tallent <stallent@mercury.io>
* Conditionalize use of streaming for supported platforms
* Refactor conditional platform handling
* Conditionalize code and package dependency on Linux
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Co-authored-by: Stephen Tallent <stallent@mercury.io>
