underthestars-zhy a652131c42 fix(photon): stop gateway restarts from orphaning the sidecar on its port ... A hard gateway exit (crash, SIGKILL, supervisor restart) left the detached Node sidecar running with a token the next gateway run doesn't know, so it could never be told to /shutdown. Every replacement spawn then died on EADDRINUSE, failing each 30→300s reconnect attempt while the orphan kept consuming the inbound gRPC stream. Two layers: - Lifetime binding: the adapter now holds the sidecar's stdin as a pipe, and the sidecar (PHOTON_SIDECAR_WATCH_STDIN=1) shuts down on stdin EOF — fired by the OS on any parent death, including SIGKILL. - Startup reaping: before spawning, the adapter probes the port and terminates a stale listener, but only after verifying its command line is a Photon sidecar; a foreign listener raises a clear error instead of being signalled. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>		2026-06-12 01:07:38 -07:00
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photon	fix(photon): stop gateway restarts from orphaning the sidecar on its port	2026-06-12 01:07:38 -07:00