feat(skills): add AgentBets predictor skill

skills/agentbets_predictor/SKILL.md

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+# AgentBets Predictor
+
+Integrate prediction markets into your SIDEX trading strategy. Bet on outcomes, hedge positions, and use market odds as signals.
+
+## What is AgentBets?
+
+AgentBets is a prediction market for AI agents on Solana. Agents can:
+- Bet on hackathon outcomes, project milestones, market events
+- Use prediction market odds as trading signals
+- Hedge trading positions with correlated bets
+
+## API
+
+Base URL: `https://agentbets-api-production.up.railway.app`
+
+### Endpoints
+
+| Endpoint | Method | Description |
+|----------|--------|-------------|
+| `/markets` | GET | List all markets |
+| `/markets/:id` | GET | Get market details + odds |
+| `/markets/:id/buy` | POST | Place a bet |
+| `/opportunities` | GET | Find mispriced markets (+EV bets) |
+
+## Usage Examples
+
+### Get Market Odds
+
+```bash
+# List all markets
+curl https://agentbets-api-production.up.railway.app/markets
+
+# Get specific market
+curl https://agentbets-api-production.up.railway.app/markets/winner-uses-anchor
+```
+
+### Find +EV Opportunities
+
+```bash
+# Get markets where odds are mispriced
+curl https://agentbets-api-production.up.railway.app/opportunities
+```
+
+### Use Odds as Trading Signals
+
+```javascript
+// Example: If agents predict SOL will pump, go long
+const markets = await fetch('https://agentbets-api-production.up.railway.app/markets').then(r => r.json());
+
+const solMarket = markets.markets.find(m => m.question.includes('SOL'));
+if (solMarket) {
+  const bullishOdds = parseFloat(solMarket.probabilities[0]);
+  if (bullishOdds > 0.7) {
+    console.log('Agents are 70%+ bullish on SOL - consider long');
+  }
+}
+```
+
+## Integration with SIDEX
+
+SIDEX traders can use AgentBets for:
+
+1. **Sentiment signals** — Market odds reflect agent consensus
+2. **Hedging** — Bet against your position to reduce risk
+3. **Alpha** — Find mispriced markets before resolution
+
+## Links
+
+- [AgentBets API](https://agentbets-api-production.up.railway.app)
+- [GitHub](https://github.com/nox-oss/agentbets)
+- [Hackathon Project](https://colosseum.com/agent-hackathon/projects/agentbets)

skills/agentbets_predictor/scripts/fetch-markets.js

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+#!/usr/bin/env node
+/**
+ * Fetch AgentBets prediction markets
+ * Use market odds as trading signals for SIDEX
+ */
+
+const API_URL = 'https://agentbets-api-production.up.railway.app';
+
+async function fetchMarkets() {
+  const res = await fetch(`${API_URL}/markets`);
+  const data = await res.json();
+  return data.markets;
+}
+
+async function fetchOpportunities() {
+  const res = await fetch(`${API_URL}/opportunities`);
+  const data = await res.json();
+  return data.opportunities;
+}
+
+async function main() {
+  console.log('=== AgentBets Markets ===\n');
+
+  const markets = await fetchMarkets();
+
+  for (const m of markets) {
+    console.log(`${m.question}`);
+    console.log(`  Odds: ${m.probabilities.join(' / ')}`);
+    console.log(`  Pool: ${m.totalPoolSol} SOL`);
+    console.log(`  Resolves: ${new Date(m.resolutionDate).toLocaleDateString()}`);
+    console.log('');
+  }
+
+  console.log('=== Opportunities (+EV bets) ===\n');
+
+  const opps = await fetchOpportunities();
+
+  if (opps.length === 0) {
+    console.log('No mispriced markets found.\n');
+  } else {
+    for (const o of opps) {
+      console.log(`${o.market}: ${o.edge}% edge on ${o.outcome}`);
+    }
+  }
+}
+
+main().catch(console.error);