refactor: farcaster client env configuration

[sin-bufan]

Relates to

Refactoring Farcaster Client Implementation

Risks

Low - This is primarily a refactoring change that improves code organization and configuration management without changing core functionality.

Background

What does this PR do?

This PR refactors the Farcaster client implementation with the following changes:

1. Introduces a new farcasterConfig configuration system
2. Adds new environment variable ENABLE_POST for better control over posting functionality
3. Refactors the Farcaster client interface for improved maintainability
4. Updates post and interactions management using the new configuration system
5. Improves code organization in the Farcaster client module

What kind of change is this?

Improvements (misc. changes to existing features)

• Code refactoring to improve maintainability and configuration management
• Better environment variable handling
• Enhanced code organization

Documentation changes needed?

My changes require a change to the project documentation to reflect:

• New environment variable ENABLE_POST
• Updated Farcaster client configuration system

Testing

Where should a reviewer start?

1. Review the new environment configuration in packages/client-farcaster/src/environment.ts
2. Check the refactored client interface in packages/client-farcaster/src/client.ts
3. Review the updated post and interactions implementation

Detailed testing steps

1. Verify environment variable setup:
   • Copy new variables from .env.example to .env
   • Verify ENABLE_POST functionality
2. Test Farcaster client operations:
   • Verify post functionality works with new configuration
   • Check interactions with refactored client interface
3. Ensure backward compatibility:
   • Verify existing integrations continue to work
   • Check for any potential breaking changes in the client interface

Deploy Notes

• Update environment variables according to .env.example
• No database changes required

[wtfsayo]

@coderabbitai review

[coderabbitai[bot]]

📝 Walkthrough

Walkthrough

The pull request introduces a comprehensive refactoring of the Farcaster client configuration and management system. The changes focus on enhancing configuration handling, introducing a new environment configuration schema, and restructuring the Farcaster client initialization process. The modifications improve type safety, configuration validation, and provide a more flexible approach to managing Farcaster-related settings across the application.

Changes

File	Change Summary
.env.example	Cosmetic whitespace and comment alignment improvements
agent/src/index.ts	Updated Farcaster client import and initialization method
packages/client-farcaster/src/client.ts	Added farcasterConfig property to FarcasterClient
packages/client-farcaster/src/environment.ts	New file with Zod-based configuration validation and environment schema
packages/client-farcaster/src/index.ts	Renamed FarcasterAgentClient to FarcasterManager, introduced FarcasterClientInterface
packages/client-farcaster/src/interactions.ts	Updated configuration access method
packages/client-farcaster/src/post.ts	Added new properties to FarcasterPostManager, refined cast generation logic

Finishing Touches

• [ ] 📝 Generate Docstrings (Beta)

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