Module discovery 

Discovery pass for type and policy extraction.

Runs before main parsing to scan tokens for type and policy definitions. Populates TypeRegistry and PolicyRegistry for use during parsing.

Discovery Targets

Block	Pattern	Result
## Definition	“A Stack is a generic collection.”	TypeDef::Generic
## Definition	“A User is a structure.”	TypeDef::Struct
## Definition	“A Shape is an enum.”	TypeDef::Enum
## Policy	“A user can publish if they are admin.”	CapabilityDef

Key Function

DiscoveryPass::run - Execute the discovery pass and return registries.

Structs

DiscoveryPass

Discovery pass that scans tokens before main parsing to build a TypeRegistry.

DiscoveryResult

Result of running the discovery pass