Add comprehensive static frontend specification

[RonTuretzky]

Summary

• Added complete technical specification for the Saving Circles frontend application
• Designed as a pure static frontend with no backend or database dependencies
• Covers all smart contract functionality with detailed user flows and sequence diagrams

Key Features

• Pure Static Architecture: No backend, no database (including IndexedDB)
• Direct Contract Integration: Uses all available view methods (getCircle, getMemberCircles, etc.)
• Comprehensive User Flows: 8 detailed workflows covering all functionality
• Sequence Diagrams: Visual representation of every user interaction
• Deployment Ready: Configuration for IPFS, GitHub Pages, and CDN hosting
• No Persistence: Session-only caching, truly stateless between visits

Test Plan

• Review specification for completeness
• Verify all contract functions are covered
• Confirm static architecture constraints are maintained
• Check sequence diagrams accurately represent flows
• Validate technical stack recommendations

Related Issues

• Addresses Issue Frontend Compatibility #4 (Frontend Compatibility)
• Supports Issue Adapt circle creation flow: start off-chain with email, then move on-chain #37 (future off-chain/on-chain hybrid)
• Compatible with Issue Automated ERC20 Allowance-Based Deposits and Batch Account Abstraction #39 (future automated deposits)

🤖 Generated with Claude Code

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[RonTuretzky]

@brendaasfjnso @diterra-code @secbajor

not sure if this will help you regarding the saving circle frontend implementation or not but for your convience

click "files changed" then "display rich diff" to view the spec in rendered markdown