Short histories and idle vaults no longer top the ranking

Confidence weight doubled to 10%, a history cap for vaults under 180 tracked days, and idle months no longer count as consistency.

• Weights: Confidence 5% → 10%; Manager Alignment and Liquidity 10% → 7.5% each. Performance 35%, Risk 25%, Consistency 15% unchanged.
• History cap: under 90 tracked days the HV Score is capped at 60, rising to 75 at 179 days; no cap from 180 days.
• Trading activity is now 25% of Consistency: a month counts as active when the sum of absolute daily returns exceeds 1%.
• Vaults that traded in fewer than half of their tracked months lose up to 15% of their HV Score.
• All vault scores were recalculated.