Fix Metaforecast platform fetchers: Manifold, Kalshi, Polymarket#4101
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Fix Metaforecast platform fetchers: Manifold, Kalshi, Polymarket#4101
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- Manifold: Add per-market error handling so one bad market doesn't crash the entire pipeline. Fix non-null assertions on optional lastUpdatedTime. Add logging for skipped markets. - Kalshi: Rewrite fetcher from disabled stub to working implementation using public API (no auth needed). Zod-validated schemas, cursor pagination, async generator pattern. - Polymarket: Add 30s fetch timeout, HTTP error checking, outcomes/prices length validation, and skip counting. Document legacy "Long" outcome filter. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
upgradeLiteMarketsToFullso one bad market doesn't crash the entire pipeline. Fix non-null assertions on optionallastUpdatedTimefield. Add logging for skipped markets without probability.api.elections.kalshi.com/trade-api/v2, no auth needed). Uses Zod-validated schemas, cursor-based pagination, and async generator pattern matching Polymarket's approach.Test plan
cd apps/metaforecast && pnpm cli kalshi(needs DB)🤖 Generated with Claude Code