Firmware, Add read-only Priority Alarm Queue view

[nk25719]

Description

Add a view that allows users to navigate through alarms received by Krake. This first version is for viewing only and must not modify alarm states.

Display for each alarm

• Alarm message
• Severity level
• Time received
• Current status, if available

Required behavior

• Users can open the Priority Alarm Queue.
• Users can scroll through alarms in time order.
• Users can open an alarm to view its details.
• Viewing the queue must not acknowledge, clear, delete, or reorder alarms.
• Define what happens when the queue reaches its storage limit.

Acceptance criteria

• Alarms are shown in a consistent chronological order.
• Severity and received time are visible.
• Navigation does not interrupt active alarm handling.
• Opening an alarm does not change its state.