V1 TVL counts the collateral backing the yield tokens and USDC in the pendle markets, plus staked OT liquidity, and SLP/JLP staked in masterchef. Staking TVL is just staked PENDLE on 0x07282F2CEEbD7a65451Fcd268b364300D9e6D7f5. Pool2 refers to the Pe,P pool on mainnet, and Pa,P pool on avax.