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feat(predictions): add Kalshi as prediction market data source (#1355)

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* feat(predictions): add Kalshi as prediction market data source

* fix(predictions): address Kalshi integration review feedback

- Gate Kalshi fetch behind category check to avoid wasted calls on tech-scoped requests
- Replace fragile double-cast bootstrap typing with BootstrapMarket interface
- Fix zero-price falsy bug in seed script using Number.isFinite guard
- Align RPC market selection with seed script (highest-volume via single-pass loop)
- Raise Kalshi volume threshold to 5000 for signal quality parity
- Add missing .prediction-source badge CSS with per-source color variants

* fix(predictions): address P1/P2 review items for Kalshi integration

- Apply isExcluded() filter and volume threshold (5000) to live Kalshi
  RPC path so cache-miss results match seed curation quality
- Include FINANCE_TAGS in seed allTags so 'markets' tag is fetched
- Align Kalshi title mapping (market.title || event.title) between
  seed and RPC handler
- Remove silent geopolitical fallback for finance variant so missing
  finance bootstrap falls through to RPC fetch

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(predictions): prefer yes_sub_title for Kalshi multi-contract events

For multi-contract Kalshi events (e.g. papal election candidates),
market.title is the generic event question while yes_sub_title
identifies the specific contract. Use yes_sub_title when present
in both seed and RPC paths so titles are accurate and consistent.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(predictions): use general Kalshi trading API subdomain

Switch from api.elections.kalshi.com (elections-only) to
trading-api.kalshi.com so economy, crypto, and other non-election
markets are included in the finance variant.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Elie Habib <elie.habib@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
RaulC
2026-03-12 20:54:20 +01:00
committed by GitHub
parent 91215ee4b9
commit af7496cce1
10 changed files with 308 additions and 27 deletions
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23
src/styles/main.css
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@@ -5729,6 +5729,29 @@ a.prediction-link:hover {
padding: 0 4px;
}
.prediction-source {
display: inline-block;
font-size: 8px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
padding: 1px 5px;
border-radius: 3px;
margin-bottom: 3px;
background: var(--border);
color: var(--muted);
}
.prediction-source[data-source="kalshi"] {
background: rgba(59, 130, 246, 0.15);
color: var(--semantic-info, #3b82f6);
}
.prediction-source[data-source="polymarket"] {
background: rgba(139, 92, 246, 0.15);
color: var(--accent, #8b5cf6);
}
/* Monitors */
.monitor-input-container {
margin-bottom: 12px;