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Update Flow

Tetsuya1126 edited this page Dec 3, 2025 · 1 revision

Update Flow

2-Stage Design

STAGE 0 -> Overlay OFF preparation
STAGE 1 -> RW mode + apt upgrade
STAGE 2 -> Overlay recovery

Each stage forces a reboot to guarantee atomic state transition.


Cooldown Logic

If the last update completion time is newer than COOLDOWN threshold:

  • Update task is skipped
  • No overlay state change occurs

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