0.0.1-alpha.3

Changelog

• 9f29ea6 Merge branch 'refactor/split-main-go'
• 1266991 docs(steering): add audit command and SBOM packages to project.md
• 962222f feat: add mayu audit command for SBOM vulnerability analysis
• ccb0c40 fix: remove duplicate refreshSummary in DeltaImport
• 29d2639 perf: add index on osv_severity.affected_package_id
• 804b4eb refactor(cmd): split main.go into focused files
• 3dbbaef remove --db-url flag; use --config for database URL configuration