Release StorageScope v0.7.1

[RasputinKaiser]

Summary

• ships the v0.7.1 UI/navigation polish: roomier windows, keyboard cleanup navigation, folder-tree reveal behavior, and steadier dense view layouts
• updates README + GitHub Pages to v0.7.1, including fresh cold-launch and post-scan screenshots
• adds a repeatable --redact fixture-scan launch flag and fixes DMG checksum sidecars to avoid absolute local paths

Validation

• swift test --scratch-path /tmp/storagescope-spm-v071-release-test — 200 tests passed
• git diff --check && bash -n script/build_and_run.sh script/export_dmg.sh script/public_upload_audit.sh && ./script/public_upload_audit.sh
• STORAGESCOPE_BUILD_CONFIGURATION=release ./script/export_dmg.sh
• hdiutil verify exports/StorageScope-0.7.1.dmg
• mounted exports/StorageScope-0.7.1.dmg, verified bundled app reports CFBundleShortVersionString 0.7.1 and passes codesign --verify --deep --strict
• exact shipped asset scan found no /Users/, blocked surname, personal email, or key-pattern hits in the mounted app, DMG, or checksum sidecar

Release note

The DMG remains ad-hoc signed for local/direct use and is not notarized.