fix(platform): Stop the start up & shutdown of LaunchDarkly on local envs

[aarushik93]

We aren't using Launch Darkly locally and so it's not set up but it was still attempting to shut down LaunchDarkly when the app shutdown, causing errors on shutdown. This PR fixes that issue by entirely disabling LD on local machines.

Changes 🏗️

Added a contextmanager to handle LaunchDarkly start up and shutdown
Added a check for local environment in said context manager

Checklist 📋

For code changes:

• I have clearly listed my changes in the PR description
• I have made a test plan
• I have tested my changes according to the test plan:
  • ...

Example test plan

• Create from scratch and execute an agent with at least 3 blocks
• Import an agent from file upload, and confirm it executes correctly
• Upload agent to marketplace
• Import an agent from marketplace and confirm it executes correctly
• Edit an agent from monitor, and confirm it executes correctly

For configuration changes:

• .env.example is updated or already compatible with my changes
• docker-compose.yml is updated or already compatible with my changes
• I have included a list of my configuration changes in the PR description (under Changes)

Examples of configuration changes

• Changing ports
• Adding new services that need to communicate with each other
• Secrets or environment variable changes
• New or infrastructure changes such as databases

[qodo-merge-pro]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Error Handling The LaunchDarkly initialization could fail and throw an exception. Consider adding error handling around the initialize_launchdarkly() call to gracefully handle initialization failures. Code Structure The launch_darkly_context manager could be moved to a separate module focused on feature flag management to improve code organization and separation of concerns.

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