@claude
Read all the documents in the planning directory, then build the complete Market Data backend/ directory. This should include
1: The Massive API interface
2: The unified market data inteface
3: The market data simulator
Include full unit tests
@claude
Read all the documents in the planning directory, then build the complete Market Data backend/ directory. This should include
1: The Massive API interface
2: The unified market data inteface
3: The market data simulator
Include full unit tests