Important

Unify StoredDatapoint and DatapointInsert types across the codebase, updating functions and tests to use StoredDatapoint.

• Type Unification:
  • Replace DatapointInsert with StoredDatapoint in function signatures and type definitions across multiple files, including dataset_queries.rs and mock_clickhouse_connection_info.rs.
  • Define StoredDatapoint and related types in a new file stored_datapoint.rs.
• Function Changes:
  • Update insert_datapoints() in dataset_queries.rs and mock_clickhouse_connection_info.rs to use StoredDatapoint.
  • Modify build_analyze_input() in analyze.rs to handle StoredDatapoint.
• Test Updates:
  • Update test cases in render_inferences.rs, analyze.rs, and analyze.rs to use StoredDatapoint.
  • Ensure all test scenarios reflect the new type usage, including error handling and input validation tests.

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