chore: fix lints

[giraffesyo]

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[Copilot]

Pull request overview

This PR addresses lint issues primarily by removing package/type stutter and simplifying a few log/error statements.

Changes:

• Renamed several exported types/functions to avoid stuttering (e.g., slurm.SlurmJob → slurm.Job, state.StateDriver → state.Driver).
• Updated call sites and signatures to use pointers where appropriate (notably job processing and Slurm job helpers).
• Minor cleanup: simplified log field formatting and clarified the SQLite blank import with a comment.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
internal/tracker/tracker.go	Updates ProcessJob signature to use pointers and simplifies logged job state field.
internal/state/state.go	Renames StateDriver → Driver / NewStateDriver → NewDriver and updates method receivers accordingly; adds comment for sqlite blank import.
internal/slurm/slurm.go	Renames SlurmJob → Job and GetSlurmJobs → GetJobs; updates helper functions to accept *Job.
internal/config/config.go	Renames ConfigFile → File and simplifies one error message.
cmd/slurm-tracker/main.go	Updates to renamed APIs and adjusts job processing loop to pass *slurm.Job safely into goroutines.

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