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Add startup strategy architecture document#4

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Add startup strategy architecture document#4
unspecifiedcoder wants to merge 3 commits into
mainfrom
feature/startup-strategy-architecture

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Comprehensive analysis covering uniqueness assessment, market positioning, billion-dollar angle (protocol + SDK pivot), production architecture, 4-phase execution roadmap, distribution strategy, and risk assessment.

Comprehensive analysis covering uniqueness assessment, market positioning,
billion-dollar angle (protocol + SDK pivot), production architecture,
4-phase execution roadmap, distribution strategy, and risk assessment.
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vercel Bot commented Apr 7, 2026

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Project Deployment Actions Updated (UTC)
flash-grid Ready Ready Preview, Comment Apr 8, 2026 7:42am
flash-grid-mj26 Ready Ready Preview, Comment Apr 8, 2026 7:42am

…, SDK

## Contracts (BREAKING)
- Fix broken settlement logic: proper market resolution + winner/loser payouts
- Add ReentrancyGuard on withdraw/settlement, Pausable on deposit/orders
- Add order cancellation (cancelOrder), market resolution (resolveMarket)
- Add MIN_ORDER_SIZE (0.001 ETH) to prevent DoS via dust orders
- Losers get unmatched refund, winners get original + pro-rata of losing pool
- FlashGridFactory now accepts resolver address for each market

## Tests (800+ LOC)
- 45+ test cases including market resolution, payout correctness, edge cases
- Fuzz tests: settlement conservation, deposit/withdraw, balance consistency
- Reentrancy attack test with malicious contract
- Pause/unpause, min order size, order cancellation tests
- Stress test: 50 orders per tick settlement

## CI/CD
- GitHub Actions workflow: contracts (build, test, fuzz, fmt) + dashboard (typecheck, build) + SDK

## Multi-Chain
- New chains.ts config supporting Monad Testnet, Sepolia, Base Sepolia
- Refactored wallet.ts, indexer.ts, contract.ts to use dynamic chain config
- foundry.toml updated with Sepolia + Base Sepolia RPC endpoints

## SDK (@flashgrid/sdk)
- Standalone npm package with types, ABIs, chain config, and FlashGridClient class
- Full TypeScript SDK for deploying and interacting with FlashGrid markets

https://claude.ai/code/session_01AYqngFhM9R9jAN8zGzLGqk
- Rewrite FlashGrid.t.sol with 45+ tests covering:
  - Market resolution (YES/NO outcomes)
  - Settlement payout math (equal, asymmetric, multi-winner)
  - Order cancellation flows
  - Reentrancy attack prevention
  - Pause/unpause behavior
  - Fuzz tests for settlement conservation and deposit/withdraw
  - Edge cases (empty ticks, idempotent settlement, min order size)
- Fix CI workflow to install forge-std explicitly (no git submodules)
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