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Restructured the type inference lattice from a partial order with Unknown variants to a clean four-point chain Bool < Address < U32 < Felt, replacing ad-hoc combine/refine operations with proper lattice join, glb, and satisfies operations.
Small constants in the u32 range are now inferred as U32 instead of Felt.
The is_odd intrinsic now correctly infers Bool result type.
Renamed TypeSummary.unknown to TypeSummary.opaque to decouple opacity tracking from the type domain.
Bug fixes
Fixed Address positioning in the type lattice (now between Bool and U32 instead of being a sibling of U32), enabling correct subtype checks for address values.
Fixed local/memory store type tracking to use glb for combining stored values and join when merging with existing slot types, ensuring correct convergence with conflicting requirements.