Bash & systemd Reliability — truncate races, jq quoting, Restart=on-failure#145

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wowa1990 wants to merge 14 commits into

splitti:mainfrom

wowa1990:pr-bash-systemd-reliability

Commits on May 16, 2026

mupibox bash scripts: kill the cat<<<jq>FILE truncate-race in 12 scripts
wowa1990
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add_wifi.sh: pin jq to first entry + escape SSID before writing wpa_supplicant.conf
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optimize_wifi.sh: rm -f for the .bak files so first-run doesn't lose the backup
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add_index.sh: trap-cleanup for DATA_LOCK so a crash doesn't wedge the indexer
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change_checker.sh: default CHECK_TIMER to 60s when config key is missing
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check_network.sh: fix broken jq filter so offline mode shows local audiobooks
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check_network.sh: self-healing symlink reconciliation (Phase 4.1)
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bash one-liners: idle_shutdown true-vs-truthy + librespot-start typo (MED-3 / LOW-1)
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service.php: serialise apt-get calls behind flock (LOW-3)
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bash robustness round: m3u_generator jq + setting_update quoting + footer reboot lock (B2 / B4 / R3-B-5)
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AR5-1: fix check_network.sh — subshell + python output mismatch
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fix(services): add Restart=on-failure to four crash-relevant services (AR5-8)
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H5: pre-flight checks + atomic-swap rollback in update script
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update: preserve admin-customised www files + fix dietpiMuPiBox path typo (MED-6)
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