Implemented the website, dist/ export, SUNToken, launch manifest and documentation.

• 15 Foundry tests passed.
• Typecheck, 6 JavaScript tests and Chromium interaction checks passed.
• All 16 design checks passed.
• Deliverable: approximately 2.43 MB.

WebKit could not launch; Safari and live-chain verification remain unperformed.

Details: README · Validation report · Design system.

Not delivered: artifacts/browser-validation.json, artifacts/desktop.jpg, artifacts/mobile.jpg, artifacts/size-budget.json, artifacts/taste-summary.json, artifacts/validation.md. Under artifacts/, only this step's named outputs leave the machine.

The deliverable is complete and verified locally.

What was already in place from earlier accepted work and left as is: src/SUNToken.sol with the fixed 1e27 mint to the deployer, the 0.5% creator tax on transfers out of the PoolManager, untaxed transfers into it, free wallet transfers, no owner or setters, no delegatecall or selfdestruct. The pinned foundry.toml and launch.json match the brief exactly (solc 0.8.26, cancun, optimizer, bytecode_hash none; kind, token, contracts, pool, economics and notes with the specified values).

What I added

• test/SUNTokenSmoke.t.sol: twelve short scenarios, one per numbered check in the brief, plus three revert paths (insufficient balance, missing allowance, zero receiver) and a transferFrom-out-of-PoolManager case showing the tax cannot be bypassed. Deployment is done from a distinct factory address so the mint-to-msg.sender rule is visible. No fuzz or invariant tests, as instructed.
• README: a paragraph describing the three suites and an updated validation line.

Verification with Foundry 1.5.1 and solc 0.8.26, using the verifier's fuzz seed:

Forge was installed under test/scratch/, which is discarded before submission, so nothing outside the allowed paths changed. The token has no constructor arguments and taxes only outflows from the PoolManager, so the pinned protected floor test's seed, swarm transfer, claim, buy and sell flows all move whole amounts. One documented design consequence remains: liquidity withdrawals from the PoolManager are taxed like buys, which the README states.

Implemented only under test/: edge cases, failure rollback checks, handler invariants, and PoolManager swaps in both currency orderings.

Validation passed:

• forge build
• Seeded forge test --offline: 51 passed, none failed or skipped.
• 3,072 invariant calls, with default fuzz runs preserved.

No reproducible implementation defects found. Live-chain fork validation remains unrun; integration uses the vendored PoolManager offline.

Updated launch.json with precise tax and deployment notes. Verified supply, constructor arguments, pool settings and economics against the accepted implementation.

forge build succeeded. All 51 tests passed with the required fuzz seed.

Only launch.json changed.

The review is complete. No tracked files were changed; only the findings file and the scratch test directory were written.

Outcome: The token's permission model holds. SUNToken has no owner, no roles, no initializer, no setters, no external calls, and no delegatecall or selfdestruct. Its only state writers are the constructor, approve, transfer and transferFrom, and both transfer paths reach the same private function with identical guards. The constructor mints exactly 1e27 units to the deployer. The constants match the order, and launch.json has exactly the required keys. All 51 existing tests pass, including both currency orderings against the real vendored PoolManager.

Findings recorded in .imd-findings.json:

• Low, Trust Gap seam (economics × asymmetry). The 0.5% creator tax only fires on an ERC-20 transfer out of the PoolManager. A buyer who realises a swap as an ERC-6909 claim through PoolManager.mint, trades the claim with the manager's own transfer function, and later pays a sell by burning the claim never triggers the tax. I reproduced this with a scratch test: a 1 IMD buy yields about 390,000 SUN of claims, and the creator wallet stays at zero through the buy, the claim transfer and the sell, while taking the same claim as ERC-20 pays exactly claims/200. Severity is low because mechanics spec M1 defines a buy as a transfer from the PoolManager, and the token cannot see claim movements. Enforcing it would require a v4 hook, which is a design decision for the requester.
• Info, trust assumption. Every SUN outflow from the PoolManager pays the creator, including LP withdrawals, LP fee collection and protocol fee collection. This follows M1 literally and is disclosed in the README and manifest notes, so it is documented rather than reported as a defect.

Coverage: all 24 listed entry points have a row, plus five invariant rows. Six rows point at the findings above, the rest hold. Nothing in the assigned area was left unreached.

Not covered: no fork run against live Robinhood Chain state was possible, and third-party routers were not exercised beyond the local v4 PoolManager harness.

Review complete. The findings file is written and the working tree has no tracked changes.

Outcome: The token contract src/SUNToken.sol behaves as the mechanics spec M1 requires on every ERC-20 path I traced. I found one substantiated low-severity gap and no critical, high or medium defects.

Finding 1 (low), src/SUNToken.sol:65. The creator tax is only charged when SUNToken's own transfer runs with the PoolManager as sender. In Uniswap v4 a buyer can instead settle swap output as ERC-6909 claims with PoolManager.mint, hold and hand off those claims with the manager's ERC-6909 transfer functions, and later pay a sell by burning them. No SUNToken call happens, so the creator wallet receives nothing for that round trip. I reproduced this against the vendored PoolManager built at the real address with a seeded pool. The scratch test fails on the current code with "creator tax not charged on claims buy", and its source is attached as the finding's proof. The code matches the letter of M1, which defines a buy as a transfer from the PoolManager, so I rated it low and noted that closing it would need a v4 hook or an accepted, documented limitation rather than a token-only fix.

What held:

• Transfer, transferFrom and approve: zero-address checks, balance check before the unchecked debit, tax arithmetic cannot overflow, credits always sum to the debit, supply fixed at 1e27 with no mint or burn after the constructor.
• Launch flows: factory to distributor, seed into the PoolManager, distributor claims and the zero remainder to the dead address are all untaxed because none originates from the PoolManager.
• PoolManager integration: take is the only SUN outflow and is taxed consistently; sync and settle see exact inflows; swaps, liquidity changes, donations, protocol fee collection and the static 1.25 percent fee all behave as intended.
• launch.json: exact key set, empty constructorArgs matching the parameterless constructor, correct supply, lowercase addresses, economics copied verbatim, notes about 1,000 characters, initialPrice consistent with the 2500 IMD opening cap.
• The existing 51-test suite, including both currency orderings against the real PoolManager, passes.

Coverage: all 24 listed entry points have a row, plus three invariant rows. Four PoolManager ERC-6909 functions point to finding 1; the rest are marked holds with a one-line reason. Not covered: live Robinhood Chain bytecode of the PoolManager and IMD, the external launch factory and Merkle distributor, and the protected floor tests, which import files that are not in this tree.

The review is complete. The findings file is at .imd-findings.json with 2 findings and 28 coverage rows (all 24 listed entry points plus 4 invariants). The working tree has no tracked changes.

Outcome: the token's arithmetic holds. The single tax formula at src/SUNToken.sol:65 was checked against the Math Precision, Boundary and Numerical Gap guides and the Senior Auditor's Mindset. The balance check runs before the multiplication, balances are bounded by the fixed 1e27 supply, so value * 50 cannot overflow and a max-value input reverts with the custom balance error rather than a panic. Conservation (from, creator, recipient) holds on every path including PoolManager self-transfer, creator-as-recipient and wallet self-transfer. Transfers into the PoolManager are untaxed, so v4's reserve-difference settlement closes exactly. I confirmed this with a scratch probe at 0, 1, 199, 200, 399, 400, 1e27 and max plus a 2000-run fuzz, and the project's 51 existing tests pass.

Findings reported:

• Low, claims bypass. v4's ERC-6909 path (PoolManager mint and burn, reachable through standard periphery router actions) settles swap deltas without any ERC-20 transfer. A trader who buys into claims and sells by burning them completes a full round trip with zero creator tax, and claims trade between holders untaxed until someone finally calls take. Reproduced against the committed PoolManager in a scratch test. The code implements the mechanics spec literally, so this is a design limitation flagged for the requester, not an arithmetic error, and no fix is proposed inside the token.
• Info, round-down. Buys of 1 to 199 minor units pay zero tax and every taxed transfer under-collects by under one wei. Documented in the README and manifest notes and already tested, with a value of roughly 5e-22 IMD at the launch price, so no change is needed.

Also verified: launch.json has exactly the six required keys, the supply string matches the constructor, constructor arguments are empty to match, addresses are lowercase, and the provenance sqrtPriceX96 matches the launch economics to within one unit.

Not covered: no live-chain fork of the real Robinhood Chain PoolManager, factory or Merkle distributor was possible offline; the integration evidence is against the vendored v4-core at the specified address.

The review is complete and .imd-findings.json holds the result. No tracked file was changed; only the findings file and test/scratch/ were written, both ignored by git.

Outcome: SUNToken's economics hold against the Economic Security, Invariant and Flow Gap checklists. I found no loss-of-funds defect. The transfer logic conserves the 1e27 supply on every branch, the tax is carved out of the gross the PoolManager already debits so the pool can never become insolvent, and every launch flow (factory to distributor, claims, pool seed, remainder to the dead address) arrives whole because none of them is a transfer out of the PoolManager. The author's 51 tests pass, and I traced each entry point against the vendored v4 PoolManager.

Findings recorded (2):

• Low: ERC-6909 claims bypass the creator tax. A trader who settles a buy with PoolManager.mint instead of take keeps SUN as a claim inside the PoolManager, so the tax branch at src/SUNToken.sol:65 never runs. Selling from claims and moving claims between wallets are also untaxed. Reproduced with the real PoolManager in test/scratch/ClaimsBypass.t.sol: 1 IMD bought 390,099 SUN as claims, the creator wallet received 0 instead of 1,950 SUN, and the full buy/sell cycle paid nothing. This is a limit of the specified mechanism (M1 defines a buy as a transfer from the PoolManager), not a coding error, so it is ranked low and no in-token fix is proposed beyond documenting it.
• Info: the tax applies to every PoolManager outflow, not only buys. Liquidity withdrawals (including the factory's seed position), LP fee collection and protocol-fee collection all pay 0.5% to the creator. The author documents this in the source comment, README and manifest notes, and it matches M1 by mechanism. Recorded so the judge sees what "buy" means in practice.

Coverage: all 24 listed entry points have a row, 19 hold, 5 point at a finding, plus rows for the supply, launch-flow and solvency invariants and the manifest. One row is marked unreached: the live Robinhood Chain PoolManager bytecode, the launch factory sources and the Universal Router, which are not in the tree and could not be checked without a network.

Review complete. .imd-findings.json is written, valid, and the working tree is clean apart from the ignored findings file.

Outcome: no critical, high or medium defects. The SUNToken code matches the authoritative mechanics spec M1 exactly, the full suite passes, and the manifest validates against the schema rules.

What I kept, after reproducing each specialist finding against the tree:

• Low, merged from all four specialists: buys settled as Uniswap v4 ERC-6909 claims pay no creator tax. PoolManager.mint, burn, transfer and transferFrom move SUN inside the PoolManager without an ERC-20 transfer, so the predicate at src/SUNToken.sol:65 never fires. I ran the audit_flow proof from test/scratch/ and it fails on this code as stated. This is in spec per M1 and cannot be fixed inside the token without a hook, so the in-scope remedy is disclosure in the notes, README and site, or an explicit requester decision.
• Info, merged from two specialists: every SUN outflow from the PoolManager is taxed, including LP withdrawals, fee collection and protocol-fee collection. In spec, disclosed in source, README, notes and site, and reproduced by existing passing tests. Recorded as a trust assumption.
• Info, my own: README.md and DESIGN.md point to validation evidence under artifacts/ that is not in the tree, because the repo's exclude rules drop that directory.

Dropped: the rounding-down note, which is documented and standard, and nothing else from the specialists failed to reproduce. The static-analysis lead about large numeric literals is cosmetic.

Coverage answers all 24 entry points plus four invariants. My own pass found no missed defect: no constructor arguments, no owner, no forbidden opcodes, overflow impossible at a 1e27 supply, inflows to the PoolManager exact so settle balances, and the protected floor's seed, buy and sell flows all hold.