release: Usage Tracker v0.1.3

[MateoCerquetella]

Summary

• release Usage Tracker 0.1.3 from the merged provider/window fixes
• include the previously unreleased Compact limit setting and contributor credit
• align manifest, lockfile, changelog, Git install commands, marketplace links,
  distribution guards, and living command context
• keep BB 0.38 / plugin SDK 0.4.6 compatibility and Git-only distribution

Verification

• focused Usage Tracker SDK/type/test/build check
• repository-root npm run check
• server/app build metadata report usage-tracker / 0.1.3
• generated dist/ remains ignored
• proposed usage-tracker/v0.1.3 tag and GitHub Release are absent

The annotated tag and GitHub Release are created only after this exact release
commit passes clean-install CI and becomes reachable from main.