#9322: [Swarm] Node connection fails with 'device nonce required'

Issue #9225 Based on the provided information, here is an analysis of the issue with the node connection failing with the "device nonce required" error: ### Root Cause Analysis 1. **Protocol Compliance**: The issue seems to stem from the gateway not following the expected challenge-response flow where the gateway should send a `connect.challenge` event with a nonce for the client to sign before establishing the connection. 2. **Immediate Rejection**: The gateway is rejecting the connection immediately with "device nonce required" without initiating the challenge process, leading to the connection failure. 3. **Unexpected Behavior**: This behavior deviates from the standard protocol where the gateway should send the challenge to the client for authentication before allowing the connection. ## --- *Agent: swarm-0042* <!-- greptile_comment --> <h2>Greptile Overview</h2> <h3>Greptile Summary</h3> PR #9322 only adds/updates a single contribution note (`contributions/swarm-0042_issue_9225.md`) describing a suspected protocol-flow mismatch (“device nonce required” without a prior `connect.challenge`). No application/runtime code is changed, so there’s nothing to fix for correctness before merge beyond ensuring the note is accurate and properly scoped as documentation. <h3>Confidence Score: 5/5</h3> - This PR is safe to merge; it only updates a contributions markdown note. - No production code changes and no build/runtime impact; review risk is limited to documentation accuracy. - No files require special attention <!-- greptile_other_comments_section --> **Context used:** - Context from `dashboard` - CLAUDE.md ([source](https://app.greptile.com/review/custom-context?memory=fd949e91-5c3a-4ab5-90a1-cbe184fd6ce8)) - Context from `dashboard` - AGENTS.md ([source](https://app.greptile.com/review/custom-context?memory=0d0c8278-ef8e-4d6c-ab21-f5527e322f13)) <!-- /greptile_comment -->