spb/poche Public

1//2//  ThermalMonitor.swift3//  Poche4//5//  Author:  Simon-Pierre Boucher6//  Contact: contact@spboucher.ai7//89import Foundation10import Observation1112/// Watches thermal state so we slow down before the system throttles us13/// (CLAUDE.md §9). Battery and heat are the scarcest budgets of a local14/// chat app.15@MainActor16@Observable17final class ThermalMonitor {18    private(set) var state: ProcessInfo.ThermalState = ProcessInfo.processInfo.thermalState19    // App-lifetime object (owned by AgentSession): the observation is never20    // removed, so no deinit — Swift 6 deinits cannot touch isolated state.21    private var observer: (any NSObjectProtocol)?2223    var shouldPauseInference: Bool {24        state == .critical25    }2627    init() {28        observer = NotificationCenter.default.addObserver(29            forName: ProcessInfo.thermalStateDidChangeNotification,30            object: nil,31            queue: .main32        ) { [weak self] _ in33            // Delivered on the main queue; re-read from ProcessInfo because34            // the Notification object is not Sendable and carries nothing.35            MainActor.assumeIsolated {36                self?.state = ProcessInfo.processInfo.thermalState37            }38        }39    }40}41