Apple identity and messaging service — authenticates users and manages iMessage communications

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System service manager — handles inter-process communication and network operations

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System messaging and identity service — handles iMessage, encryption, and cloud sync

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System identity and messaging service — manages Apple ID authentication, iCloud sync, and encrypted communications

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System connectivity daemon — manages Wi-Fi, Bluetooth, and Apple device pairing

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iMessage and contacts daemon — manages encrypted messaging, identities, and address book sync

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Apple device pairing service — manages wireless connection and authentication with paired devices

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System exception handler — processes and routes macOS crash reports and diagnostics

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Process state monitor — queries running processes and manages Mach service access

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Location and telemetry daemon — passive location monitoring with network reporting

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System location service — provides geolocation data to applications and daemons

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System connectivity manager — handles networking, Bluetooth, Wi-Fi, and peer services

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System diagnostic collection daemon — gathers and submits performance and fault telemetry

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