Hyperliquid whale position book with notes in Notion

Build me an app that works as a browsable book of Hyperliquid whale positions, so I can go look at the market myself instead of waiting to be pinged. Right now whale watching is either a firehose of alerts or a wallet address I have to remember to check, and my notes always end up somewhere other than the data. This app should keep the live positions and my research on the same screen.

The main view is a filterable table of every open whale position with a notional value over $1 million, loaded from the CoinGlass Get Hyperliquid Whale Positions operation. Columns: wallet address (shortened, with a copy control), coin, side (long or short), notional value in USD, leverage, entry price, liquidation price and unrealized PnL. Give me filters for coin, side, minimum notional and minimum leverage, and let me sort the book by notional or by distance to liquidation, since those are the two reasons I would ever open it.

Distance to liquidation should be computed against the current price, which comes from Get Futures Coins Markets. Fetch that once per refresh and use it both for the distance calculation and so the unrealized PnL column reads correctly against live prices. Highlight any position sitting inside a configurable percentage band of its liquidation price, defaulting to 5%, with a settings control on the page so I can change the band. Highlighted rows should be obvious at a glance, and I want to be able to filter down to only those positions.

Clicking a coin opens a coin view built on Get Hyperliquid Positions by Coin, showing every tracked wallet in that market side by side with the same columns. At the top of that view, put aggregate long notional versus short notional with the ratio and the net skew, so I can read the positioning in one glance before I start looking at individual wallets.

A recent activity panel, driven by Get Hyperliquid Whale Alert, shows what opened and closed lately: wallet, coin, side, size and what kind of change it was. Keep it visible alongside the book, newest first, so the table tells me where things stand and the panel tells me what just moved.

I can follow any wallet, which pins it to a Followed tab. Follows are saved per user, so my list is mine and not shared with everyone else who opens the app. I can also attach a short note to any wallet or to a specific position. Notes persist per user and show as an indicator on the row, so I can see at a glance which names I have already formed a view on.

Every note gets a Save to research button. That sends the note text plus a snapshot of the position (wallet, coin, side, notional, leverage, entry price, liquidation price, unrealized PnL, current price and the timestamp) into my Notion research database using the Notion Create a Page operation, so my thesis lives with the evidence. Let me set the target Notion database once in settings and reuse it, confirm the save inline, and link out to the page that was created.

Two things to get right on the data side. The whale endpoints already return notional in USD, so do not multiply it by price again. And CoinGlass wraps every response in a { code, msg, data } envelope where code "0" means success, so handlers must unwrap the envelope before rendering and surface a readable error message when the code is anything else. Load data when I open the app and give me a manual refresh button rather than polling constantly, since CoinGlass rate limits by plan tier.