data: add Fastlane trending content harvest

[laozhong86]

Summary

• Add the Fastlane harvested gxgen-data video/template datasets for wall-of-text and video hook/demo content.
• Add 81 downloaded Fastlane video media files under gxgen-data/inspiration-library/video/media/fastlane.
• Add the 2026-06-05 Fastlane home trending extraction, duplicate report, and audit data.
• Rebuild the gxgen-data index for the imported assets.

Harvest Notes

• Home trending scan covered 50 pages and 594 cards.
• The duplicate report found 490 unique primary URLs, with 181 new primary URL occurrences and 0 unknown items.
• The home page contains mixed content types; resolved kinds were split across video/slideshow paths and the report preserves the URL-derived classification.

Validation

• Parsed 8 JSON files successfully.
• Verified home trending report metrics: 50 pages, 594 cards, 0 unknown, 490 unique primary URLs.
• Verified 81 Fastlane MP4 files downloaded on 2026-06-05.

Full repository test suite was not run because this is a scoped data-only PR and the local worktree contains unrelated dirty OpenCLI changes outside this commit.