The findings file is written and validated. All five entries anchor to lines that exist in the tree, and no tracked file was changed.

Review outcome

No blocking defect found in the repaired source. The delta from the previously audited commit 9901dc7 touches only src/imd/MugiIMDGameHook.sol, and the three medium remedies reproduce as claimed:

• Immutable V2 target. The constructor rejects a zero receiver, and migrateToV2 accepts only the pinned address with code present.
• Permissionless bounded handoff and fallback. Anyone may hand off during the 30-day window after finale. At the deadline anyone may send only unreserved ETH and survivor inventory to the community treasury. Team ETH, reserved player ETH and token escrow stay untouched in both paths, the two paths are mutually exclusive, and emergency closure has no migration path.
• Treasury separation. The constructor rejects community equal to owner or team, and ownership can never transfer to the community address.

Independent checks that passed. I rebuilt the protected floor locally: the four factories deploy on an empty chain in one CREATE2 transaction with the manifest owner, every runtime is under EIP-170, no DELEGATECALL, CALLCODE or SELFDESTRUCT is reachable, and owner() is the stated wallet for all four. Compiled creation-code hashes match the documented ones exactly, so the main factory pins the hook compiled from this pin. Constructor-only reserve, free transfers, own-balance-only burn, strictly-before-cutoff snapshots, exact 75% conversion divisibility, excluded custodians, and the absence of pause or post-deployment initializers all hold on read. The manifest is schema-valid.

Findings written (.imd-findings.json):

• Low. The constructor gates community against owner and team but never gates the V2 receiver, so a hook can be created with the receiver equal to team, owner or community. My scratch test deploys all three variants successfully. With a contract-wallet team this re-creates the owner-selected sink via a permissionless call.
• Low. The factory gas-headroom regression fails on forge 1.8.5 because of how gasleft() meters CREATE, so the committed "152 passed, zero failures" claim holds only on Foundry 1.5.1. Contract bytecode is identical across both.
• Info. The fallback and expired-claim sink is the operator's own second wallet. If the operator never deploys code at the pinned receiver, the finale funds flow to that wallet after 30 days. This is disclosed and not enforceable in code.
• Info. The child plan leaves the V2 receiver null, so the hook cannot be created from this bundle. The four-factory launch deploys and activates nothing beyond the factories.
• Info. Coverage statement listing all 18 source files read, the regression tests and docs read, and what could not be reached.

Not reached. The two mainnet-fork tests skipped without an RPC. The V2 receiver source is outside this bundle, so actual receiveV1Finale behaviour is unverified here. No deployment, launch record, factory addresses or receipts exist yet. Everything above is local proof, not deployed state.

Admission position. The source is admissible for the four-factory contracts-only launch as submitted. The low finding on the V2 receiver gate is a one-line constructor fix with a regression test, and it should be resolved before hook creation rather than before factory deployment, since the receiver is a reviewed child setting.

Work is complete and committed. Final source pin: 0a1286b75de4b36392dfd777b93d984809029e32, on top of the submitted pin b553ba7.

Admission outcome from this step: the adapted source builds and tests green with the project's own configuration, but nothing is deployed. There is no launch record, no factory addresses and no receipts. Those come from IMD's deployer after the manifest step and audit, and I did not call the factory, sign anything or submit explorer verification. The four-factory manifest arguments remain exactly the single owner address per factory.

What reproduced and what changed

• V2 receiver alias (low, reproduced). A hook with the V2 receiver set to team, owner or community deployed successfully on b553ba7. The constructor in src/imd/MugiIMDGameHook.sol now rejects those three aliases, mirroring the existing community gate. transferOwnership also rejects the immutable V2 receiver as a new owner, so the separation holds after an ownership transfer. Four regression tests cover every variant.
• Gas-headroom test (low, reproduced on Forge 1.8.3). The old meter saw 26,942 gas for four creations because Forge 1.8 does not meter new of a project artifact from a test-directory contract. The test now deploys the exact four initcodes in manifest order through raw CREATE2 in a test-only helper, which is what the IMD factory itself executes. Measured 12,296,955 gas including code deposit, conservative bound 14,824,595, consistent with the earlier Anvil receipt of 14,187,986.
• Fixture consequence. The lifecycle base fixture used the test contract as both owner and V2 receiver, which the new gate rejects. It now uses a small forwarding receiver with its own address. All pre-existing balance and counter assertions pass unchanged.
• Three informational findings needed no code change and are restated as trust assumptions in ADAPTATION.md and the new validation document: the community wallet and future V2 receiver are operator-controlled addresses, hook creation stays blocked until a reviewed nonzero receiver exists, and the four factories activate nothing.

Evidence

Only one production file changed. The full git diff b553ba7 -- src test is saved at docs/validation/v2-alias-gate/src-test-diff.patch, with the suite JSON, parsed results, summary and VALIDATION.md alongside. ADAPTATION.md lists each change, its file and the finding that required it. Compiler settings, dependencies, launch.json, economic rules, claims rules, the raw hook code pin and the constructor-complete child graph are untouched.

Open for later steps: the real V2 receiver address, VRF, attestor and verifier settings still need a reviewed child deployment plan before any hook creation, and the independent audit should re-read the constructor gate and the forwarding receiver fixture.

Updated only launch.json: preserved factory order, changed all owner arguments to $owner, and expanded disclosures within the 4,000-character limit.

Implementation source remains 2907a8fec35bd79bde8f699ec8502bb5d644a3a4.

Validation passed:

• Manifest structure, constructor ABI, bytecode limits and source-hash checks.
• forge build.
• Required-seed forge test: 153 passed, 0 failed, 2 fork tests skipped without RPC configuration.

Admission and renewed independent audit remain pending. No mainnet deployment or explorer verification was performed; no production launch record, factory addresses or receipts are available.

The review is complete. The findings file is valid, its snippet matches the tree, and all 73 listed entry points have a coverage row. No repository file was changed.

Outcome: no critical, high or medium math defect found. One low finding.

What I audited in depth (Math Precision, Boundary, Numerical Gap guides)

• Ledger conversion chain. SCALE = 4⁹·9! makes every 75% conversion x·3/(4n) exact for any sequence of distinct survivor counts, so the global eager update and the per-account lazy replay agree bit for bit and InexactConversion is unreachable. Escrow ceilings stay consistent through claims, and escrow release never underflows.
• Reserve sufficiency. Each matched-LP addition is capped at int128.max or deferred, and total releases are bounded by 11I + 54M + 9, well inside the 10I + 100M reserve, so _releaseReserve cannot brick settlement.
• V4 liquidity quoting. The engine's floor-rounded liquidity and the PoolManager's round-up amounts were traced. ethUsed ≤ budget holds, so the SlippageExceeded path in matched liquidity is unreachable and the Settling phase cannot get stuck.
• Fee library. All four swap branches were checked against v4's hook-delta plumbing, including the 2%-of-gross gross-up and int128 bounds.
• Terminal paths. V2 handoff, community fallback and expiry sweep use the same subtractions, cannot underflow, and the shared 30-day deadline means expired liabilities can never reach the V2 receiver in any call order.
• ETH backing. Reserved player ETH and team ETH are always physically backed after fee materialization.

The one finding (low). The buyback minimum output is computed for the whole requested ETH amount while the swap is bounded by a 3% price limit. Any fill cut by the limit returns fewer tokens than that minimum and reverts, so the engine's "partial fills are allowed" path is dead. For a crew whose 1% minimum trade exceeds roughly 1.5% of its pool's ETH reserve, no admissible amount exists and its round allocation cannot be spent. Funds are not lost. The ETH stays in the hook and reaches the finale paths. The reproduction with concrete numbers is in the file, with a minimal fix that keeps the bounded-buyback design.

Not reached. No proof test was written, which is only required for critical or high findings. Fuzzing beyond the existing suite was not run in the budget.

Review complete. The findings file is written and validated: all four snippets match the tree at their cited lines, and all 73 listed entry points have a coverage row (plus manifest and three invariant rows).

Outcome

No critical, high or medium defects found in the assigned area (Execution Trace, Periphery, First Principles) at pin 2907a8f. The three remedies the follow-up targeted hold as code-enforced:

• Immutable receiver binding: the constructor rejects a zero target and any alias of owner, team or community. The handoff accepts only that exact address, strictly before the deadline, one-shot, with full rollback on receiver revert.
• Finale liveness: at the deadline anyone can route only unreserved ETH and survivor inventory to the immutable community wallet. Both orderings with the expired-claims sweep pay the community exactly once and keep team ETH and claim reserves.
• Treasury separation: constructor and ownership-transfer gates hold, and the ledger's configuration hash binds the same team and community addresses.

The existing suite passes (153 tests, fork suites excluded for lack of RPC). Build is clean on Forge 1.8.3, solc 0.8.26, Cancun, viaIR, 200 runs, bytecode hash none.

Findings written to .imd-findings.json

1. Low. Emergency closure strands every alive crew's withdrawn LP token principal in the hook. After recoverStalledRandomness and sweepExpiredFinalClaims, each crew token shows about 950k units held by the hook with zero escrow, reserve or team liability, and no path can burn or move them. No fund loss, but totalSupply permanently overstates circulating supply and the behavior differs from the ordinary finale, which hands that inventory off. Reproduced in test/scratch/EmergencyLeftover.t.sol.
2. Info. The receiver binding is address-level only. The address may be pinned before code exists, so the operator chooses the receiver code later. The project's own lifecycle fixture uses a receiver that forwards everything to the owner and passes all gates. This confirms the task's stated trust assumption rather than custody separation.
3. Info. Size headroom is thin: hook runtime is 941 bytes under EIP-170 and the main factory initcode is about 2.1 KB under EIP-3860. Any repair of finding 1 must be re-measured before re-pinning.
4. Info. The final survivor's accrued treasure, unspent budgets and own-burn budget are never distributed to holders. They are included in the handoff or fallback ETH. Disclosed in a historical response doc but not in the current ADAPTATION or README.

Coverage limits. I did not run the two mainnet-fork suites, did not reach the live IMD factory or any deployed state, and did not independently re-derive the Uniswap v4 fee-delta sign conventions beyond the passing router tests. Everything reported is local proof, not deployed state.

The review is complete. Both findings are anchored to lines that match the tree, the JSON parses, and no tracked file changed. Nothing remains that needs another tool call.

Outcome. No critical, high or medium defect in the Economic Security, Invariant and Flow Gap areas of the submitted source. The three repaired blocking findings from the prior audit are code-enforced and regression-tested as described. All 153 non-fork tests pass locally on Forge 1.8.3. The two fork suites were not run.

Findings written to .imd-findings.json:

• Low, receiver binding is address-only. The hook pins the V2 receiver address, and migrateToV2 is permissionless to exactly that address with atomic rollback. But deployHook never requires the receiver to have code, and the plan explicitly allows an undeployed address. My scratch test shows the operator deploying a forwarder at the codeless precommitted address after finale, after which anyone's migrateToV2 sends all unreserved finale ETH and survivor inventory to the operator wallet. This is the prior "owner-selected sink" outcome by another route. ADAPTATION.md discloses receiver code as a trust assumption, so I rated it low. The minimal fix is a runtime code-presence check on the receiver in deployHook, which keeps every game rule intact.
• Info, emergency closure strands tokens. After recoverStalledRandomness, the live crews' LP principal tokens return to the hook and no path ever burns or forwards them. The sweep burns only escrow, and the community fallback is gated to the normal finale. Reproduced: about 9.03M base units remain in the hook after sweep and team withdrawal in the fixture. No ETH or claim is affected.

Coverage. All 76 listed entry points have a row, plus solvency, deadline-ordering, treasury-separation, deployment-size and manifest rows. Verified invariants include ETH solvency against team and reserved player ETH, token solvency against escrow, reserve and team tokens, mutual exclusion of handoff versus fallback at the shared deadline in both call orders, and the community/owner/team/V2 inequality gates surviving ownership transfer. The four verifier entry points are marked holds on the basis that they only gate plan approval, which the buyback module bounds regardless.

Deployment evidence. Local Anvil receipt shows 14.19M gas including code deposit against a 16.78M cap. Hook runtime has 941 bytes of EIP-170 headroom and the deployment factory initcode has 2,182 bytes of EIP-3860 headroom. This is local proof only; nothing is deployed, the policy gas ceiling is not in the tree, and the V2 receiver remains unresolved in the child plan.

Review complete. The findings file is written and validated, all 73 listed entry points have coverage rows, and the working tree contains only the allowed outputs (the other untracked dotfiles are sandbox character devices, not files).

Outcome for the assigned area (Access Control, Trust Gap, Asymmetry): no blocking defect. The three remedies this source was built for are enforced in code and covered by regression tests:

• Immutable receiver binding. The hook constructor rejects a zero receiver and any receiver equal to owner, team or community. migrateToV2 is permissionless, accepts only that exact address, requires code, and is one-shot and atomic. A receiver revert rolls back both transfers.
• Finale-fund liveness. fallbackFinaleToCommunity opens exactly when the handoff window closes, pays only balance minus team ETH minus reserved ETH plus inventory minus escrow, and uses the same exclusions as the handoff. Sweeping expired claims first does not erase the migration deadline.
• Treasury separation. Community must differ from owner and team at construction, and transferOwnership rejects both the community treasury and the V2 receiver, so expired claims and fallback ETH can never be aliased to the owner after a transfer. The ledger excludes team, community, hook, airdrop, engine and PoolManager from eligibility, and the hook binds that tuple through the configuration hash.

Beyond the delta, the permission model is tight: the owner's only post-construction powers are seedPool and abortPrelaunch, both prelaunch; every module is hook-only with reentrancy and unlock-commitment guards; removals with zero minimums only run while trading is closed by the cutoff, so they cannot be sandwiched.

Reported findings (in .imd-findings.json):

1. Low. An aborted season never retires the unreleased reserve or the 5% airdrop allocation. The scratch test shows crew token total supply stays at about 1.7e40 with the reserve held by the hook and the drop in the airdrop forever, and no path can burn them. This contradicts the stated "burned when the season closes" rule, though no ETH is at risk.
2. Info. No committed test covers the code-less pinned receiver path. The code behaves correctly (handoff blocked, fallback pays the community at the deadline), but only my scratch test exercises it.
3. Info. MugiIMDV4Engine.registerPool is a hook-only function the hook never calls, so it is dead privileged code in the mainnet runtime.

Trust assumptions the judge should carry forward, not defects: owner and team treasury are the same wallet, the community recipient is a second wallet of the same operator, and the verifier owner, attestor key, VRF subscription and the real V2 receiver remain unresolved child settings that must be reviewed before hook creation. The survivor crew's final-round treasure and unspent budgets flow to the V2 receiver or community rather than to holders; the docs disclose this.

Checks run: full suite offline with a clean environment, 153 tests passed, fork tests excluded. Two scratch tests under test/scratch/ reproduced findings 1 and 2. Slither did not run on the verifier side; the Aderyn leads in my area (unchecked ETH sends, reentrancy after external calls) traced to guarded or commitment-protected paths and were not promoted.

Added 19 tests under test/, including five invariant campaigns covering 49,152 randomized calls.

Offline build and seeded tests passed: 172 passed, 0 failed, 2 fork suites skipped.

Production source remains unchanged at 2907a8fec35bd79bde8f699ec8502bb5d644a3a4.

Review, source diff and validation evidence. Admission remains unestablished; no deployment, launch record, factory addresses or receipts were produced.

I found no critical, high or medium defects. Four low findings survived reproduction, so the three medium findings from the earlier audit (job 0c8421fb) don't reopen. Admission still requires none of my findings to be outstanding, though, so these four lows have to be fixed before the launch can be admitted. The results and a 75-row coverage record are in .imd-findings.json: all 73 listed entry points plus two invariant rows. Every snippet in it matches the tree.

The source under review is identical to the submitted pin 2907a8f; the commits after it change only tests and evidence. I deployed nothing, have no launch record, factory addresses or receipts, and changed no files. The scratch tests I used have been deleted.

Findings (all low):

1. Buybacks can become impossible to execute (MugiIMDV4Engine.sol:369). The minimum token output is worked out for the whole ETH amount, but the swap stops at a price limit about 3% away. So any buyback larger than about 1.56% of the pool's ETH always reverts. I reproduced it through the crew's own burn budget: 177.8 ETH against a ~100 ETH pool. Both the smallest allowed amount (1.78 ETH) and the largest (budget/20) revert SlippageExceeded, and anything below the minimum reverts InvalidState. The ETH isn't lost: it stays in the hook and goes to later settlement or the finale. This merges the math specialist's round-budget version of the same problem.
2. Emergency closure leaves LP tokens stuck in the hook (MugiIMDGameHook.sol:325). After recoverStalledRandomness, the claims sweep and the team withdrawal, the hook still holds 949,999.99… tokens per crew. Escrow and reserve are both 0, and no function can burn or move these tokens. This merges two specialists' reports of the same issue.
3. abortPrelaunch burns no reserve (:257). The reserve, the returned LP tokens and the airdrop's 5% all stay. retireAirdrop and sweepExpiredFinalClaims revert in the Aborted state, so this breaks the stated rule that unused reserve is burned when the season closes.
4. The V2 receiver is fixed by address only, not by code (:493). deployHook accepts an address with no code (the repo's own test confirms it), so whoever controls that address can choose the receiver's code after finalize. An EOA with an EIP-7702 delegation would also pass the code check. The suggested fix is to require receiver code in deployHook. This merges two specialists' reports.

What holds:

• Receiver repair: the handoff goes only to the exact pinned target, only inside the 30-day window, and rolls back entirely if the receiver fails.
• Community fallback: it pays only unallocated ETH and tokens, and works whether it runs before or after the claims sweep.
• Treasury separation: the community treasury can't equal the owner or team, including after an ownership transfer, and the V2 receiver can never become owner.
• Deployment sizes: the hook's runtime is 23,635 B (941 B under the 24,576 B limit). The main factory's creation code is 46,970 B plus the 32 B owner word (under 49,152 B).

Dropped findings:

• Thin size headroom: true, but not a defect.
• The final survivor's treasure going to V2 rather than holders: a documented design choice.
• Missing test for a code-less receiver: a test gap only.
• registerPool: the hook never calls it, so it is unreachable.

I didn't read the verifier and router line by line. I checked their guards, so those coverage rows are based on lighter tracing than the hook, ledger, engine, buyback, oracle, factory, airdrop and VRF rows.