Overview

Implement the foundational R2 storage client wrapper for GhostPaste, providing type-safe operations for storing and retrieving encrypted gists in Cloudflare R2.

Tasks

• Create R2 client wrapper using Cloudflare Workers R2 bindings
• Configure R2 bucket binding in wrangler.toml
• Create type-safe wrapper for R2 operations
• Handle R2 errors (R2Error, R2ObjectNotFound)
• Write unit tests for R2 client wrapper
• Document R2 configuration requirements

Technical Requirements

• Must work with Cloudflare Workers R2 bindings
• Type-safe operations for put, get, delete, list
• Proper error handling with custom error types
• Edge runtime compatible
• Support for both JSON metadata and binary blobs

Acceptance Criteria

• R2 client can be imported and used in API routes
• Type-safe operations for all R2 methods
• Comprehensive error handling
• Configuration works in both dev and production
• Unit tests pass with 100% coverage

Dependencies

• None (foundational component)

References

• Cloudflare R2 Documentation
• See docs/PHASE_5_ISSUE_TRACKING.md for detailed specifications