Review Multiple Coding Agents as a Queue of Evidence

Partition work before parallelism

Every task should have one owner, one requested artifact, and one write scope. If two sessions may edit the same file, decide who integrates the final change or serialize the work. This is the first control because parallel execution without ownership only moves conflict resolution into the review phase. The sessions may all finish successfully while the combined change remains impossible to accept.

A useful task card names:

• the requested behavior;
• the permitted files or subsystem;
• the validation command;
• the evidence expected at handoff;
• the observable stop condition.

The session identifier should travel with the task card, evidence, and final review decision.

Rank states by required human action

Not every active session deserves equal attention. A practical queue sorts states by what the lead must do next:

• Approval or input required. Work cannot continue without a human decision.
• Failed verification. The artifact exists, but tests, build, or runtime checks failed.
• Ready for review. A bounded change and evidence packet are available.
• Running. The session is making progress and needs no intervention.
• Idle or stale. No current action is required, but ownership may need cleanup.

This ordering prevents a noisy long-running task from hiding a small task that is waiting for one approval.

Require a review packet

A session's final message is a claim. The review packet is the evidence behind it. For code changes, that packet should include the diff scope, diagnostics, build or test result, and a real usage check when the change has a user-facing surface. For research or operations, it should include source URLs, receipts, read-back state, and any unresolved uncertainty.

The team lead should be able to answer three questions without reopening the whole transcript:

• What changed?
• What proves it works?
• What could still be wrong?

If the packet cannot answer those questions, the item is not ready for review.

Review risk before chronology

The oldest completed task is not always the next one to review. Sort by blast radius and reversibility. Authentication, permissions, migrations, deployment configuration, and shared contracts deserve attention before isolated copy changes. An easily reversible local edit can wait behind an externally visible action even if it finished first.

This is also why session status should remain separate from artifact status. A session can be complete while its change is still unreviewed, rejected, or blocked from integration.

Integrate only after acceptance

Do not let “agent finished” become “change shipped.” Keep explicit states for ready, under review, accepted, integrated, and verified after integration. That sequence protects the team from two common errors: merging a plausible result without evidence, and losing track of a good result because the session that produced it has already closed.

Keep the dashboard observational

A lead's status companion should make ownership, urgency, and evidence easier to see. It should not silently approve commands, merge changes, or deploy releases. Consequential actions belong in the system that owns them, where permissions and audit history already exist.

The useful interface is therefore compact: session identity, owner, current state, affected artifact, latest evidence, and the next human decision. More transcript text usually creates more scanning, not more control.

Parallel coding agents become manageable when the unit of coordination is not the chat session but the reviewable artifact. The lead is operating a queue of decisions, with sessions supplying evidence into that queue. A complete implementation checklist is available in the team lead multi-agent review workflow.