Qualify Deck, dock, and DualSense lifecycle behavior

[55515-code]

Goal

Build repeatable physical qualification reports for LCD/OLED Deck variants, common docks, displays, and DualSense controllers.

Acceptance criteria

• Cover 1280x800, HDMI dock/undock, audio route, overscan, controller order, reconnect, suspend/resume, and OSK.
• Run Gaming Mode, Plasma launch/return, emulator exit, forced-session recovery, and reboot cycles.
• Record hardware identifiers, image digest, exact steps, results, logs, and screenshots.
• Track failures as linked minimal reproduction issues.

[55515-code]

Archived after the LuigiOS architecture transition merged in #11. The Batocera/Steam Deck/Plasma assumptions in this issue no longer describe the product on main. Current work targets the CachyOS/COSMIC developer workstation, transactional recovery, and rootless SDK. See #12 and the current roadmap for active contribution lanes. This issue remains public as historical context; it is not an active commitment.