Create i06 vector magnet device in dodal

[Relm-Arrowny]

To overcome the limitations of legacy GDA software and enable advanced fly-scanning on I06-1, we are creating a dedicated VectorMagnet device within Dodal. Porting this physical magnet device to Bluesky allows us to natively leverage Flyable and Preparable protocols for dynamic ramp-speed adjustments, continuous physical fly scans, and future alternating-energy scans.

Goals

Acceptance criteria :

• Ophyd Device Implementation: Create a SuperconductingMagnet(VectorMagnet) class inside dodal that maps to the physical magnet controller's EPICS PVs, it should have three independence axis.
• Flyable & Preparable: Each axis of the magnet should be movable and flyable.
• Pre-Move Limit Check: The device should validates that a requested field is safe within the magnet mode it operating in.

Tasks

base on the goals, deduce the tasks required. check them off once they're done

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Related Resources

see DiamondLightSource/sm-bluesky#335 for detail of Limit and other requirements.