Module context 

Execution context for Shape runtime

This module contains the ExecutionContext which manages runtime state including:

• Variable scopes and bindings
• Data access and caching
• Backtest state and series caching
• Type registries and evaluator
• Configuration (symbol, timeframe, date range)

Structs

EnumRegistry

Registry for enum definitions

ExecutionContext

Execution context for evaluating expressions

TypeAliasRuntimeEntry

Runtime entry for a type alias with meta parameter overrides

Variable

A variable in the execution context

Enums

DataLoadMode

Data loading execution mode (Phase 8)