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fix: reuse the local API endpoint so restarts keep the same port #31

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fix: reuse the local API endpoint so restarts keep the same port #31

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5 changes: 5 additions & 0 deletions macos/CursorAPI/Sources/CursorAPICore/LocalAPIServer.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,11 @@ public final class LocalAPIServer: @unchecked Sendable {
let endpointPort = NWEndpoint.Port(rawValue: port)!
let parameters = NWParameters.tcp
parameters.requiredLocalEndpoint = NWEndpoint.hostPort(host: "127.0.0.1", port: endpointPort)
// Sockets from the previous run can linger after a restart. Without
// endpoint reuse the rebind fails, the fallback picks the next port, and
// that new port gets persisted, so every restart moves the API and
// breaks anything configured against it.
parameters.allowLocalEndpointReuse = true
let listener = try NWListener(using: parameters)
let startResult = ListenerStartResult(port: port)
listener.newConnectionHandler = { [weak self] connection in
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