add columns to polymarket models

[hildobby]

added columns to existing tables (needed for much more efficient queries) and created 3 tables:

• one for protocol tvl
• one for user balance changes
• one for currently open positions (view)

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PR Summary

Introduces TVL, open positions, and user balance change models while enriching market/trade data (link slug, parsed times, asset IDs, price modifier) and converting positions to incremental with pricing.

• New models
  • polymarket_polygon_protocol_tvl (incremental): hourly TVL from USDC.e flows.
  • polymarket_polygon_users_balance_changes (incremental): inflow/outflow records for Polymarket wallets.
  • polymarket_polygon_open_positions (view): latest open positions with latest_price and open_interest.
• Positions
  • polymarket_polygon_positions: switch to incremental; derive daily prices from hourly with price_modifier; add price and usd_value; incremental windowing filters.
• Markets/Trades enrichment
  • polymarket_polygon_market_details: add polymarket_link_slug, parsed market_start_time_parsed/market_end_time_parsed, and price_modifier.
  • polymarket_polygon_market_trades_raw: include maker_asset_id/taker_asset_id.
  • polymarket_polygon_market_trades: expose new fields and polymarket_link_slug.
  • polymarket_polygon_market_prices_daily: refactor forward-fill to use utils_days and clean CTEs.
• Schema
  • _schema.yml: document new columns and add entries for the new models.

^{Written by Cursor Bugbot for commit 9592bca. Configure here.}

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Bug: Unresolved markets incorrectly get zero price modifier

The price_modifier calculation returns 0 for markets with outcome = 'unresolved' because neither the '50/50' check nor LOWER(token_outcome) = outcome matches when outcome is 'unresolved'. This differs from the existing behavior in polymarket_polygon_market_prices_daily.sql which preserves the original market price (ELSE ff.price) for unresolved markets. When used in polymarket_polygon_positions.sql, markets past their end time but not yet resolved will incorrectly show positions as worthless (price = 0) instead of using the last traded price.

Additional Locations (1)

• dbt_subprojects/daily_spellbook/models/_projects/polymarket/polygon/polymarket_polygon_positions.sql#L21-L27