chore(main): release 0.9.0

[spur-release-bot]

🤖 I have created a release beep boop

0.9.0 (2026-08-14)

Features

• spur-cli: filter squeue by node with -w/--nodelist (#628) (42a1519)
• spurctld: add job submission validation hook (shell + lua) (#565) (18e5653)
• spurctld: reap abandoned interactive allocations via client keepalive (#594) (6a0568b)

Bug Fixes

• spur-cli: accept slurm-format reservation durations (#626) (9697ed6)
• spur-core: ignore quoted srun tokens in batch step detection (#627) (1765105)
• spurctld: enforce partition walltime limits and validate time config (#593) (172bf8f)
• spurctld: preserve node allocations during recovery (#613) (42cfe92)
• spurctld: report BeginTime while --begin defers a job (#555) (c20a051)
• spurctld: tag in-pass-blocked jobs so pending reason is never None (#620) (831390d)

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #614      +/-   ##
==========================================
- Coverage   77.73%   77.73%   -0.00%     
==========================================
  Files         172      172              
  Lines       72584    72584              
==========================================
- Hits        56420    56418       -2     
- Misses      16164    16166       +2     

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