[felix-tron]

Objective

Prepare sun-cli 2.0.0 by replacing @sun-protocol/sun-kit and local protocol implementations with the public modular SUN SDK packages. Preserve the existing command interface and transaction parameter semantics while moving the underlying execution to SUN SDK.

Changes

• Add a unified SDK/runtime integration layer, Agent Wallet adapter, network configuration, and compatible error/transaction-result mapping.
• Migrate Swap, V2/V3/V4 liquidity and position operations, contract read/write, wallet balance queries, and SunPump integration to SUN SDK.
• Preserve minimum-amount and slippage parameter semantics, the existing txid result structure, wallet output fields, and SunPump's Mainnet-only restriction.
• Restore the pre-migration V4 mint defaults: fee 500 and an automatic tick range derived from the current pool tick, extending 100 tick spacings in each direction. Preserve explicit fee and tick inputs, including tick 0.
• Extract named V3/V4 default fee constants and use the same defaults in execution parameters and command summaries.
• Replace the sun-kit dependency and local SunPump implementation with public SUN SDK packages.
• Require Node.js ^22.23.4 || ^24.22.1; run CI on the latest Node 22.x and 24.x patches and add lint checks.
• Add SDK adapter, command compatibility, liquidity parameter, dependency-boundary, and output contract tests.
• Remove the Dependabot configuration.
• Set the next test-package version to 2.0.0-beta.0. The target stable release is 2.0.0.

Validation

Current review fixes

• All 158 automated tests passed locally on both Node.js 22.23.4 and 24.22.1; build and lint passed on both versions.
• Six additional scenarios constructed transaction plans using the actual public SDK with mocked pool reads. These cover fee tiers 500/3000 and zero/positive/negative current ticks; no transactions were signed or broadcast.
• CLI dry-run checks confirmed the default fee display and preservation of explicit fee/tick inputs.
• GitHub CI passed for the Node/V4 fixes in c4f2072 (Node 22.x, Node 24.x, and lint).

Historical published-package regression

• Read-only and dry-run regression: 26/26 cases passed on the previously published test package.
• 1.2.2 and 1.2.3-beta.0 each completed 11 successful Nile transactions, for 22 successful transactions in total.
• 1.2.3-beta.1 completed two additional successful Nile Swap transactions, with quotes, calldata, transfer events, and received amounts verified.
• Independent QA accepted the historical beta regression. These results do not represent a published 2.0.0-beta.0 test or on-chain validation of the subsequent V4 default-parameter fixes.

Remaining release steps

• SUN SDK dependencies are still pinned to 0.1.1-beta.0; stable 0.1.1 is not yet published. Update all direct SDK dependencies and the lockfile after the approved stable SDK release is available.
• Publish and validate the next sun-cli beta, including focused regression of the V4 default-parameter fixes.
• Complete CI and final review before merging and publishing stable sun-cli 2.0.0.