Bill bddf4d8b72 feat: add price data management infrastructure (WIP) ...

Phase 1 of v0.3.0 date range and on-demand download implementation.

Database changes:
- Add price_data table (OHLCV data, replaces merged.jsonl)
- Add price_data_coverage table (track downloaded date ranges)
- Add simulation_runs table (soft delete support)
- Add simulation_run_id to positions table
- Add comprehensive indexes for new tables

New modules:
- api/price_data_manager.py - Priority-based download manager
  - Coverage gap detection
  - Smart download prioritization (maximize date completion)
  - Rate limit handling with retry logic
  - Alpha Vantage integration

Configuration:
- configs/nasdaq100_symbols.json - NASDAQ 100 constituent list

Next steps (not yet implemented):
- Migration script for merged.jsonl -> price_data
- Update API models (start_date/end_date)
- Update tools/price_tools.py to read from database
- Simulation run tracking implementation
- API integration
- Tests and documentation

This is work in progress for the v0.3.0 release.

2025-10-31 16:37:14 -04:00

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