logind: Set InhibitDelayMaxSec=300 to allow Supervisor graceful shutdown

[agners]

Supervisor takes a logind delay inhibitor lock on startup and releases it after gracefully stopping all add-ons, Home Assistant Core, and plugins in the correct order. The default 5s window is far too short — Core alone can take 40+ seconds to stop. 300s gives enough headroom for a clean shutdown.

Related to: home-assistant/supervisor#6631 #4498

Summary by CodeRabbit

• Chores
  • Extended the maximum delay for system shutdown from 5 to 300 seconds, allowing applications more time to respond to shutdown requests.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 46168024-4b61-497e-b5a5-4d8c875bc32a

📥 Commits

Reviewing files that changed from the base of the PR and between 123b023 and a7be551.

📒 Files selected for processing (1)

• buildroot-external/rootfs-overlay/etc/systemd/logind.conf

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📝 Walkthrough

Walkthrough

Updated systemd logind.conf configuration parameter InhibitDelayMaxSec from 5 to 300 seconds in the [Login] section. This controls the maximum delay for inhibitors during system shutdown.

Changes

Cohort / File(s)	Summary
Systemd Configuration buildroot-external/rootfs-overlay/etc/systemd/logind.conf	Updated InhibitDelayMaxSec parameter in [Login] section from 5 to 300, increasing the maximum delay time for inhibitors before shutdown proceeds.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 Five became three-hundred, oh what a leap!
More time for the shutdown, a longer sleep,
The logind.conf sings with patient delays,
Let systems rest easy, in their own ways! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: updating InhibitDelayMaxSec to 300 in logind configuration for graceful Supervisor shutdown.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch increase-maximum-shutdown-inhibit-delay

📝 Coding Plan

• Generate coding plan for human review comments

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