• ClawSweeper keeps one durable marker-backed review comment per issue or PR.
• Re-runs edit this comment so the latest verdict, findings, and automation markers stay together instead of adding duplicate bot comments.
• A fresh review can be triggered by eligible @clawsweeper re-review comments, exact-item GitHub events, scheduled/background review runs, or manual workflow dispatch.
• PR/issue authors and users with repository write access can comment @clawsweeper re-review or @clawsweeper re-run on an open PR or issue to request a fresh review only.
• Maintainers can also comment @clawsweeper review to request a fresh review only.
• Fresh-review commands do not start repair, autofix, rebase, CI repair, or automerge.
• Maintainer-only repair and merge flows require explicit commands such as @clawsweeper autofix, @clawsweeper automerge, @clawsweeper fix ci, or @clawsweeper address review.
• Maintainers can comment @clawsweeper explain to ask for more context, or @clawsweeper stop to stop active automation.

• 🦀 challenger crab: rare, exceptional readiness with strong proof, clean implementation, and convincing validation.
• 🦞 diamond lobster: very strong readiness with only minor maintainer review expected.
• 🐚 platinum hermit: good normal PR, likely mergeable with ordinary maintainer review.
• 🦐 gold shrimp: useful signal, but proof or patch confidence is still limited.
• 🦪 silver shellfish: thin signal; proof, validation, or implementation needs work.
• 🧂 unranked krab: not merge-ready because proof is missing/unusable or there are serious correctness or safety concerns.
• 🌊 off-meta tidepool: rating does not apply to this item.

Shiny media proof means a screenshot, video, or linked artifact directly shows the changed behavior. Runtime, network, CSP, and security claims still need visible diagnostics.

Best possible solution:

Land a bounded, yielding startup-sidecar repair after adding real startup/log proof that the gateway remains responsive during ACP/session-lock fanout, while keeping the existing per-session actor and lock-cleanup contracts intact.

Do we have a high-confidence way to reproduce the issue?

Yes from source and linked logs: current main still serially awaits ACP identity reconciliation and session-lock cleanup loops matching the reported diagnostic phases. I did not run a live 50-90 session gateway reproduction.

Is this the best way to solve the issue?

Yes, the implementation direction is the narrow maintainable repair: add bounded concurrency and event-loop yields around the existing startup sidecars while preserving per-session actor serialization and deterministic lock result ordering. It still needs real runtime proof before merge.

Label changes:

• add P2: The linked bug is a normal-priority gateway startup responsiveness issue with meaningful impact on large ACP installs but a bounded startup-window blast radius.
• add rating: 🦐 gold shrimp: Current PR rating is 🦐 gold shrimp because proof is 🦪 silver shellfish, patch quality is 🐚 platinum hermit, and The patch is focused and well-covered by synthetic tests, but mock-only proof keeps the overall rating below merge-ready.
• add status: 📣 needs proof: The PR needs real behavior proof before ClawSweeper can clear the contributor ask. Needs real behavior proof before merge: Needs real behavior proof before merge: the PR body only lists tests/mocks and synthetic fixture output, so the contributor should add redacted terminal logs, copied live output, or a recording from an after-fix OpenClaw gateway startup run; after updating the PR body, ClawSweeper should re-review automatically or a maintainer can comment @clawsweeper re-review.

Label justifications:

• P2: The linked bug is a normal-priority gateway startup responsiveness issue with meaningful impact on large ACP installs but a bounded startup-window blast radius.
• rating: 🦐 gold shrimp: Current PR rating is 🦐 gold shrimp because proof is 🦪 silver shellfish, patch quality is 🐚 platinum hermit, and The patch is focused and well-covered by synthetic tests, but mock-only proof keeps the overall rating below merge-ready.
• status: 📣 needs proof: The PR needs real behavior proof before ClawSweeper can clear the contributor ask. Needs real behavior proof before merge: Needs real behavior proof before merge: the PR body only lists tests/mocks and synthetic fixture output, so the contributor should add redacted terminal logs, copied live output, or a recording from an after-fix OpenClaw gateway startup run; after updating the PR body, ClawSweeper should re-review automatically or a maintainer can comment @clawsweeper re-review.

What I checked:

• Current ACP startup path is serial on main: Current main still has reconcilePendingSessionIdentities iterate ACP sessions with a serial for ... of loop that awaits withSessionActor, runtime handle resolution, identifier reconciliation, and metadata writes before advancing. (src/acp/control-plane/manager.core.ts:259, d70dc4be1928)
• Current session-lock startup path is serial on main: Current main resolves agent session directories and awaits cleanStaleLockFiles for each directory one at a time; cleanStaleLockFiles also reads/removes each lock entry in a serial loop. (src/gateway/server-startup-post-attach.ts:653, d70dc4be1928)
• PR diff applies bounded fanout at the implicated paths: The PR imports runTasksWithConcurrency, adds cap constants of 4, yields with setImmediate, and applies bounded fanout to ACP reconcile, startup session directory cleanup, and per-directory lock inspection while preserving error propagation. (src/gateway/server-startup-post-attach.ts:648, c37c43b13f2f)
• PR adds focused fanout regression coverage: The diff adds synthetic fanout tests for ACP reconciliation, gateway startup session directory cleanup, and stale lock cleanup, asserting concurrency greater than one and no greater than the configured cap. (src/acp/control-plane/manager.test.ts:3916, c37c43b13f2f)
• Linked issue has source-level reproduction context: The linked issue reports OpenClaw 2026.5.20 startup diagnostics with sidecars.acp.identity-reconcile and sidecars.session-locks each taking roughly 450-460 seconds, and its ClawSweeper comment already kept it open as source-reproducible against the same serial loops.
• Real behavior proof is mock/test-only: The PR body's after-fix proof lists Vitest wrapper runs, oxlint, and synthetic fixture observations; it does not include redacted terminal logs, live output, or another artifact from a real OpenClaw gateway startup outside the test harness. (c37c43b13f2f)

Likely related people:

• osolmaz: The ACP thread-bound agents merge introduced the ACP control-plane manager and startup reconciliation area that this PR changes. (role: ACP feature owner; confidence: medium; commits: a7d56e3554d0; files: src/acp/control-plane/manager.core.ts)
• Grynn: The stale session lock cleanup/watchdog work appears in the history as the origin of the cleanStaleLockFiles behavior this PR parallelizes. (role: stale-lock cleanup introducer; confidence: medium; commits: e91a5b021648; files: src/agents/session-write-lock.ts, src/gateway/server-startup-post-attach.ts)
• gumadeiras: The gateway startup/runtime seam split is the nearest major history point for startGatewaySidecars and post-ready sidecar scheduling. (role: gateway startup seam refactor author; confidence: medium; commits: 8de63ca26825; files: src/gateway/server-startup-post-attach.ts)
• steipete: Peter Steinberger committed the stale-lock cleanup/watchdog change that introduced the lock-cleanup startup behavior in current history. (role: session-lock cleanup committer; confidence: medium; commits: e91a5b021648; files: src/agents/session-write-lock.ts, src/gateway/server-startup-post-attach.ts)

Codex review notes: model gpt-5.5, reasoning high; reviewed against d70dc4be1928.

• The egg game starts only after the PR passes the real-behavior proof check.
• Before that, no creature or rarity is rolled. The treat waits for real proof.
• This is still just collectible flavor: proof affects review readiness, not creature quality.