fix(agent-testing): bind mock server to IPv4 127.0.0.1#1487
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…IPv6 Without explicit host, server.listen(port) binds to :: (IPv6). On systems with dual-stack disabled, connections to 127.0.0.1 (IPv4) never reach the mock server. Explicitly binding to 127.0.0.1 ensures the mock is reachable at the address clients use. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Coverage Impact This PR will not change total coverage. Modified Files with Diff Coverage (1)
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EnkiP
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Mar 3, 2026
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## @forestadmin/agent-testing [1.0.21](https://github.com/ForestAdmin/agent-nodejs/compare/@forestadmin/agent-testing@1.0.20...@forestadmin/agent-testing@1.0.21) (2026-03-03) ### Bug Fixes * **agent-testing:** bind mock server to IPv4 127.0.0.1 ([#1487](#1487)) ([e36c0c4](e36c0c4))
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Summary
ForestServerSandboxto127.0.0.1explicitly instead of relying on Node.js default (::IPv6)http://127.0.0.1:portContext
A customer reported that
createForestServerSandboxwas unreachable — requests to127.0.0.1never hit the mock. The root cause:server.listen(port)without a host binds to::(IPv6). On systems where dual-stack is disabled, IPv4 connections don't reach the IPv6 socket.Test plan
agent-testingtests pass (16/16)sandbox-with-real-agentpasses🤖 Generated with Claude Code