docs: clarify Windows Docker Desktop UDP troubleshooting#413
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May 17, 2026
…ws (#502) Docker Desktop on Windows demultiplexes inbound UDP from multiple source IPs onto a single virtual socket, silently dropping packets from all but one ESP32 node. This makes multi-node sensing setups appear to work (WebSocket connects, packets flow on the host) while only one node's CSI ever reaches the container. Adds scripts/udp-relay.py (stdlib only) which collapses multi-source UDP to a single loopback source so Docker's forwarding accepts every packet. Verified locally: 6 packets from 3 distinct source ports all arrive at the receiver from a single relay socket. Updates docker/docker-compose.yml with an inline comment pointing Windows users at the relay + 5006:5005 mapping. Linux/macOS hosts are unaffected and need no changes. Also documents the workaround alongside fixes for #188 (UI 404 from relative --ui-path) and #438 (boot loop on --edge-tier 1/2 against pre-v0.4.3.1 firmware) as new sections 9-11 of docs/TROUBLESHOOTING.md. Supersedes the docs-only PR #413. Closes #374, #386 Refs #188, #438, #301
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