chore(main): release 2.0.0

[smardex-bot-account]

🤖 I have created a release beep boop

2.0.0 (2026-03-26)

⚠ BREAKING CHANGES

• this is breaking for consumers which expect a uint32, and it requires a storage update for the existing protocol instances

Features

• add 4626 vault for wusdn (#925) (506ee98)
• add the USDNr contract (#935) (7492cbe)
• autoSwapper for WUSDN to SDEX (#921) (5087573)
• autoswapper wsteth sdex (#916) (da82bf1)
• burn-ratio: update the shortDN burn ratio to x75 (#910) (e50671b)
• deploy USDnr (#952) (0e68224)
• fork scripts (#930) (f22c0de)
• middleware: wsteth oracle with data streams (#898) (fc87703)
• usdn: ERC-4626 wrapper (#929) (40878fc)
• USDNr: add wrapShares function (#940) (eccde8c)
• USDNr: add a preview for the wrap shares function (#941) (b7a0c85)
• USDNr: add a recipient for the wrap and unwrap functions (#939) (570f2c9)
• USDnr: add a USDN reserve (#947) (87cf39c)
• USDNr: add admin function to withdraw USDN yield (#938) (8430ec8)
• USDNr: add deployment script (#936) (dca9981)
• USDnr: add event when the yield is withdrawn (#945) (4d14c62)
• USDNr: add ownable2Step (#937) (2ddb4ff)
• USDNr: make withdrawYield public with configurable fee collector (#944) (5634ae5)
• USDnr: name the token to Ultimate Synthetic Dollar - No Rebase (#950) (ceaf6dc)

Bug Fixes

• deployment-script: add missing initializer in the allowed option of oz (#927) (6596df7)
• oracle-middleware: revert when the Pyth confidence is higher than the price (#918) (ec65255)

Miscellaneous Chores

• fix CI ffi config (#932) (ddf5053)
• flake: update flake (#923) (22aaa93)

Code Refactoring

• parameters: the fee threshold for shortdn is now 2000 WUSDN (#909) (0b733fa)
• re-organize the inheritance graph for IUsdnProtocol to include events and errors (#917) (46965b0)
• relax abstract contracts version (#908) (e431623)
• remove the initializeV2 function (#919) (7c95b0b)
• sdex burn ratio to uint64 (#895) (2d34a8d)
• USDnr: respect the CEI pattern (#949) (726e986)
• wsteth middleware name (#902) (db1779f)

Build System

• npm: add the 'typescript' dependency to fix the exportAbi command (#896) (a01bc4f)

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