feat(web): move 7/30-day trip summary to vehicle home

[eigger]

Summary

• Remove the recent 7/30-day trip summary dropdown and stats card from the History trips tab
• Add a week/month selector on the vehicle home trip summary card (same `/api/trips/summary` API)
• Keep distance/duration/count tappable to History without wrapping the period select in a Link

Test plan

• Vehicle home: default shows recent 7-day summary
• Switching to 30 days updates distance/duration/trip count
• Period select does not navigate away; tapping stats still opens History
• History trips tab has no 7/30-day summary; search and year/month/day filter still work
• Deleting a trip on History still works without summary refresh errors

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