fix: stabilize Tron liquidity checks

feat: replace LayerZero with self-hosted testnet relayer

docs: record DevUSDT migration

feat: switch Ethereum Sepolia USDT liquidity

docs: record source upgrades and quote behavior

feat: enable quoted EVM routes and destination status

feat: align DlnSource gross accounting

docs: refine order fee accounting guide

docs: add order fee accounting guide

Refine HYPE model hypothesis wording

Add HYPE token financial model

Simplify HYPE burn wording

Fix HYPE note citations

Add HYPE buyback analytical note

Fix UML

Fix UML

Clarify Hyperliquid route execution

Document additional Hyperliquid funding routes

Document Hyperunit API in OpenAPI

Refine Hyperliquid withdrawal comparison

Add Hyperliquid withdrawal comparison

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