Browser source message

[summeroff]

New API to send messages between browser source and app.

[Copilot]

Pull Request Overview

This PR introduces a prototype bidirectional messaging system for browser sources, allowing communication between the OBS application and browser content. The implementation adds functionality to send messages from the app to browsers and receive messages from browsers back to the app.

• Adds messaging infrastructure with MessageToBrowser method and messagesToApp vector storage
• Implements message handling through OBS source interface callbacks and process message handlers
• Enables remote debugging capabilities for browser instances

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
obs-browser-source.hpp	Adds message storage vector and MessageToBrowser method declaration
obs-browser-source.cpp	Implements MessageToBrowser method to dispatch JS events
obs-browser-plugin.cpp	Adds source callbacks for message handling and retrieval
cmake/os-windows.cmake	Contains duplicate message statement
browser-client.cpp	Adds messageToApp handler and debug logging
browser-app.cpp	Adds debugging port configuration and messageToApp function exposure

Comments suppressed due to low confidence (1)

obs-browser-source.cpp:157

• This line appears to be orphaned code from a previous implementation and should be removed as it references an undefined variable 'async'.

		if (!async) {

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