[SDK-240]: add start and end embedded session methods to ReactIterableAPI

[lposen]

🔹 JIRA Ticket(s) if any

• SDK-240

✏️ Description

Add start session and end session APIs

Testing

• Run the setup
• Login and then click on the "Embedded" tab
• Click "Start session"
• In the console in Xcode, you should see a message that looks like following:

   	💛 17:26:04.7110:0x60000173fc40:ReactIterableAPI:startEmbeddedSession():500
  

• Click "End session"
• In the console in Xcode, you should see a message that looks like following:

  	💛 17:27:13.2810:0x6000017fc140:ReactIterableAPI:endEmbeddedSession():506
  	💛 17:27:13.2820:0x6000017fc140:EmbeddedSessionManager:endSession():42: No impressions in the session. Skipping tracking.
  

Setup

• cd into root and run yarn install
• cd into example and run yarn install
• cd into ios and run bundle exec pod install
• open two separate terminals.
• In Terminal 1
  • run watchman watch-del-all
  • run yarn start --reset-cache
• In Terminal 2
  • cd into ios
  • run open ReactNativeSdkExample.xcworkspace
  • Once Xcode opens the project, choose an emulator then click the play button to run it.

[github-actions]

Lines	Statements	Branches	Functions
	62.72% (392/625)	38.64% (97/251)	61.5% (139/226)

[qltysh]

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[Copilot]

Pull request overview

This PR adds iOS implementations for embedded session management methods (startEmbeddedSession and endEmbeddedSession) to bring iOS to parity with the existing Android implementation. These methods enable tracking of embedded messaging sessions in React Native applications.

Changes:

• Added Swift methods in ReactIterableAPI.swift that call EmbeddedSessionManager.shared
• Added Objective-C bridge methods in RNIterableAPI.mm for both new and legacy React Native architectures

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
ios/RNIterableAPI/ReactIterableAPI.swift	Added startEmbeddedSession() and endEmbeddedSession() methods that delegate to the Iterable SDK's EmbeddedSessionManager
ios/RNIterableAPI/RNIterableAPI.mm	Added bridge methods for both new architecture and legacy architecture to expose the Swift methods to JavaScript

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