joungmin 80ab004eba feat: replace volatility breakout with DB-backed real-time trend check ...

- price_history table on Oracle ADB stores prices every 10 minutes
- check_trend(): current price vs N hours ago (default 1h, +3% threshold)
- check_momentum(): unchanged (MA20 + 2x volume still applies)
- Ticker list cached 5 minutes to avoid 429 rate limits
- Collector starts 30s after boot to avoid simultaneous API calls
- Configurable: TREND_HOURS, TREND_MIN_GAIN_PCT in .env

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

2026-02-28 11:26:26 +09:00

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