v0.2.2

Added

• Added a unified /api/slurm/overview endpoint for Slurm dashboard data

Changed

• Moved Slurm resource and job collection fully into backend background polling with cached responses
• Simplified the Slurm dashboard data flow so the frontend only fetches and renders overview data
• Refined Slurm history sampling initialization and cleaned up the Slurm code structure for easier maintenance

Fixed

• Fixed upgrade installation replacing the running binary by switching to an atomic binary replacement flow
• Updated documentation and badges to match the current release and Slurm API layout